#12 – Robotics – Don Luc Electronics

Project #12: Robotics – L298N DC Motor Driver – Mk33

March 4, 2026 by DonLuc

——

#DonLucElectronics #DonLuc #L298N #MotorDC #ESP32CAM #ESP32 #IoT #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

L298n Motor Driver

That’s where the L298N motor driver module comes in. It acts as a bridge between your low-power Arduino and your high-power motors. You send small control signals from the Arduino, and the L298N safely handles the higher current required by the Motor DC.

DL2602Mk06

1 x ESP32-CAM
1 x ESP32-CAM-MB Adapter
1 x L298N DC Motor Driver Module
1 x Motor DC
1 x Power Switch
1 x 18650 Battery Holder (11 Volts)
3 x 18650 Battery
1 x Micro USB Cable

DL2602Mk06p

DL2602Mk06p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #12: Robotics - L298N DC Motor Driver - Mk33
12-33
DL2602Mk06p.ino
DL2602Mk06
1 x ESP32-CAM
1 x ESP32-CAM-MB Adapter
1 x L298N DC Motor Driver Module
1 x Motor DC
1 x Power Switch
1 x 18650 Battery Holder (11 Volts)
3 x 18650 Battery
1 x Micro USB Cable
*/

// Include the Library Code

// Motor DC 1 
int motor1pin1 = 14;

// Software Version Information
String sver = "12-33";

void loop() {
  
  // Motor DC 1 
  digitalWrite(motor1pin1,   HIGH);

  // Delay 3 Seconds
  delay(3000);

  // Motor DC 1 
  digitalWrite(motor1pin1,   LOW);

  // Delay 3 Seconds
  delay(3000);

}

setup.ino

// Setup
void setup()
{
 
  // Motor DC 1
  pinMode(motor1pin1, OUTPUT);

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Consultant, R&D, Electronics, IoT, Teacher and Instructor

Programming Language
Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
IoT
Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
Robotics
Automation
Camera and Video Capture Receiver Stationary, Wheel/Tank , Underwater and UAV Vehicle
Unmanned Vehicles Terrestrial, Marine and UAV
Machine Learning
Artificial Intelligence (AI)
RTOS
Sensors, eHealth Sensors, Biosensor, and Biometric
Research & Development (R & D)
Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2026
https://www.donluc.com/luc/LucPaquinCVEng2026Mk01.pdf
https://www.donluc.com/luc/

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Don Luc

Project #12: Robotics – Web Server – Mk32

February 18, 2026 by DonLuc

——

#DonLucElectronics #DonLuc #Camera #ESP32CAM #ESP32 #IoT #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

ESP32-CAM Video Streaming Web Server

ESP32-CAM to stream live feed from the OV2640 camera to a Cell Phones browser.

DL2602Mk04

1 x ESP32-CAM
1 x OV2640 Camera
1 x ESP32-CAM-MB Adapter
1 x Cell Phones
1 x USB Battery Pack
1 x Micro USB Cable

DL2602Mk04p

DL2602Mk04p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #12: Robotics - Web Server - Mk32
12-32
DL2602Mk04p.ino
DL2602Mk04
1 x ESP32-CAM
1 x OV2640 Camera
1 x ESP32-CAM-MB Adapter
1 x Cell Phones
1 x USB Battery Pack
1 x Micro USB Cable
*/

// Include the Library Code
 // ESP Camera
#include "esp_camera.h"
// WifI
#include <WiFi.h>

//#define CAMERA_MODEL_AI_THINKER
const char* ssid1 = "Robot_Mk32";
const char* password1 = "";

// Pin definition for CAMERA_MODEL_AI_THINKER
#define PWDN_GPIO_NUM     32
#define RESET_GPIO_NUM    -1
#define XCLK_GPIO_NUM      0
#define SIOD_GPIO_NUM     26
#define SIOC_GPIO_NUM     27
#define Y9_GPIO_NUM       35
#define Y8_GPIO_NUM       34
#define Y7_GPIO_NUM       39
#define Y6_GPIO_NUM       36
#define Y5_GPIO_NUM       21
#define Y4_GPIO_NUM       19
#define Y3_GPIO_NUM       18
#define Y2_GPIO_NUM        5
#define VSYNC_GPIO_NUM    25
#define HREF_GPIO_NUM     23
#define PCLK_GPIO_NUM     22

// WiFi Addr
extern String WiFiAddr ="";

// Camera Server
void startCameraServer();

// Software Version Information
String sver = "12-32";

void loop() {
  
}

app_httpd.cpp

// WiFi Server
#include "esp_http_server.h"
// Timer
#include "esp_timer.h"
// Camera
#include "esp_camera.h"
// Converters
#include "img_converters.h"
// Camera Index
#include "camera_index.h"
// Arduino
#include "Arduino.h"
// LED
#include "driver/ledc.h"
// Disable brownout problems
#include "soc/soc.h"
// Disable brownout problems
#include "soc/rtc_cntl_reg.h" 
// Driver
#include "driver/rtc_io.h"

// WiFi
extern String WiFiAddr;

// 
typedef struct {
        size_t size; //number of values used for filtering
        size_t index; //current value index
        size_t count; //value count
        int sum;
        int * values; //array to be filled with values
} ra_filter_t;

typedef struct {
        httpd_req_t *req;
        size_t len;
} jpg_chunking_t;

#define PART_BOUNDARY "123456789000000000000987654321"
static const char* _STREAM_CONTENT_TYPE = "multipart/x-mixed-replace;boundary=" PART_BOUNDARY;
static const char* _STREAM_BOUNDARY = "\r\n--" PART_BOUNDARY "\r\n";
static const char* _STREAM_PART = "Content-Type: image/jpeg\r\nContent-Length: %u\r\n\r\n";

static ra_filter_t ra_filter;
httpd_handle_t stream_httpd = NULL;
httpd_handle_t camera_httpd = NULL;

static ra_filter_t * ra_filter_init(ra_filter_t * filter, size_t sample_size){
    memset(filter, 0, sizeof(ra_filter_t));

    filter->values = (int *)malloc(sample_size * sizeof(int));
    if(!filter->values){
        return NULL;
    }
    memset(filter->values, 0, sample_size * sizeof(int));

    filter->size = sample_size;
    return filter;
}

static int ra_filter_run(ra_filter_t * filter, int value){
    if(!filter->values){
        return value;
    }
    filter->sum -= filter->values[filter->index];
    filter->values[filter->index] = value;
    filter->sum += filter->values[filter->index];
    filter->index++;
    filter->index = filter->index % filter->size;
    if (filter->count < filter->size) {
        filter->count++;
    }
    return filter->sum / filter->count;
}

static size_t jpg_encode_stream(void * arg, size_t index, const void* data, size_t len){
    jpg_chunking_t *j = (jpg_chunking_t *)arg;
    if(!index){
        j->len = 0;
    }
    if(httpd_resp_send_chunk(j->req, (const char *)data, len) != ESP_OK){
        return 0;
    }
    j->len += len;
    return len;
}

static esp_err_t capture_handler(httpd_req_t *req){
    camera_fb_t * fb = NULL;
    esp_err_t res = ESP_OK;
    int64_t fr_start = esp_timer_get_time();

    fb = esp_camera_fb_get();
    if (!fb) {
        //Serial.printf("Camera capture failed");
        httpd_resp_send_500(req);
        return ESP_FAIL;
    }

    httpd_resp_set_type(req, "image/jpeg");
    httpd_resp_set_hdr(req, "Content-Disposition", "inline; filename=capture.jpg");

    size_t fb_len = 0;
    if(fb->format == PIXFORMAT_JPEG){
        fb_len = fb->len;
        res = httpd_resp_send(req, (const char *)fb->buf, fb->len);
    } else {
        jpg_chunking_t jchunk = {req, 0};
        res = frame2jpg_cb(fb, 80, jpg_encode_stream, &jchunk)?ESP_OK:ESP_FAIL;
        httpd_resp_send_chunk(req, NULL, 0);
        fb_len = jchunk.len;
    }
    esp_camera_fb_return(fb);
    int64_t fr_end = esp_timer_get_time();
    Serial.printf("JPG: %uB %ums", (uint32_t)(fb_len), (uint32_t)((fr_end - fr_start)/1000));
    return res;
}

static esp_err_t stream_handler(httpd_req_t *req){
    camera_fb_t * fb = NULL;
    esp_err_t res = ESP_OK;
    size_t _jpg_buf_len = 0;
    uint8_t * _jpg_buf = NULL;
    char * part_buf[64];

    static int64_t last_frame = 0;
    if(!last_frame) {
        last_frame = esp_timer_get_time();
    }

    res = httpd_resp_set_type(req, _STREAM_CONTENT_TYPE);
    if(res != ESP_OK){
        return res;
    }

    while(true){
        fb = esp_camera_fb_get();
        if (!fb) {
            Serial.printf("Camera capture failed");
            res = ESP_FAIL;
        } else {
            if(fb->format != PIXFORMAT_JPEG){
                bool jpeg_converted = frame2jpg(fb, 80, &_jpg_buf, &_jpg_buf_len);
                esp_camera_fb_return(fb);
                fb = NULL;
                if(!jpeg_converted){
                    Serial.printf("JPEG compression failed");
                    res = ESP_FAIL;
                }
            } else {
                _jpg_buf_len = fb->len;
                _jpg_buf = fb->buf;
            }
        }
        if(res == ESP_OK){
            size_t hlen = snprintf((char *)part_buf, 64, _STREAM_PART, _jpg_buf_len);
            res = httpd_resp_send_chunk(req, (const char *)part_buf, hlen);
        }
        if(res == ESP_OK){
            res = httpd_resp_send_chunk(req, (const char *)_jpg_buf, _jpg_buf_len);
        }
        if(res == ESP_OK){
            res = httpd_resp_send_chunk(req, _STREAM_BOUNDARY, strlen(_STREAM_BOUNDARY));
        }
        if(fb){
            esp_camera_fb_return(fb);
            fb = NULL;
            _jpg_buf = NULL;
        } else if(_jpg_buf){
            free(_jpg_buf);
            _jpg_buf = NULL;
        }
        if(res != ESP_OK){
            break;
        }
        int64_t fr_end = esp_timer_get_time();

        int64_t frame_time = fr_end - last_frame;
        last_frame = fr_end;
        frame_time /= 1000;
        uint32_t avg_frame_time = ra_filter_run(&ra_filter, frame_time);
        Serial.printf("MJPG: %uB %ums (%.1ffps), AVG: %ums (%.1ffps)"
            ,(uint32_t)(_jpg_buf_len),
            (uint32_t)frame_time, 1000.0 / (uint32_t)frame_time,
            avg_frame_time, 1000.0 / avg_frame_time
        );
    }

    last_frame = 0;
    return res;
}

static esp_err_t cmd_handler(httpd_req_t *req){
    char*  buf;
    size_t buf_len;
    char variable[32] = {0,};
    char value[32] = {0,};

    buf_len = httpd_req_get_url_query_len(req) + 1;
    if (buf_len > 1) {
        buf = (char*)malloc(buf_len);
        if(!buf){
            httpd_resp_send_500(req);
            return ESP_FAIL;
        }
        if (httpd_req_get_url_query_str(req, buf, buf_len) == ESP_OK) {
            if (httpd_query_key_value(buf, "var", variable, sizeof(variable)) == ESP_OK &&
                httpd_query_key_value(buf, "val", value, sizeof(value)) == ESP_OK) {
            } else {
                free(buf);
                httpd_resp_send_404(req);
                return ESP_FAIL;
            }
        } else {
            free(buf);
            httpd_resp_send_404(req);
            return ESP_FAIL;
        }
        free(buf);
    } else {
        httpd_resp_send_404(req);
        return ESP_FAIL;
    }

    int val = atoi(value);
    sensor_t * s = esp_camera_sensor_get();
    int res = 0;

    if(!strcmp(variable, "framesize")) {
        if(s->pixformat == PIXFORMAT_JPEG) res = s->set_framesize(s, (framesize_t)val);
    }
    else if(!strcmp(variable, "quality")) res = s->set_quality(s, val);
    else if(!strcmp(variable, "contrast")) res = s->set_contrast(s, val);
    else if(!strcmp(variable, "brightness")) res = s->set_brightness(s, val);
    else if(!strcmp(variable, "saturation")) res = s->set_saturation(s, val);
    else if(!strcmp(variable, "gainceiling")) res = s->set_gainceiling(s, (gainceiling_t)val);
    else if(!strcmp(variable, "colorbar")) res = s->set_colorbar(s, val);
    else if(!strcmp(variable, "awb")) res = s->set_whitebal(s, val);
    else if(!strcmp(variable, "agc")) res = s->set_gain_ctrl(s, val);
    else if(!strcmp(variable, "aec")) res = s->set_exposure_ctrl(s, val);
    else if(!strcmp(variable, "hmirror")) res = s->set_hmirror(s, val);
    else if(!strcmp(variable, "vflip")) res = s->set_vflip(s, val);
    else if(!strcmp(variable, "awb_gain")) res = s->set_awb_gain(s, val);
    else if(!strcmp(variable, "agc_gain")) res = s->set_agc_gain(s, val);
    else if(!strcmp(variable, "aec_value")) res = s->set_aec_value(s, val);
    else if(!strcmp(variable, "aec2")) res = s->set_aec2(s, val);
    else if(!strcmp(variable, "dcw")) res = s->set_dcw(s, val);
    else if(!strcmp(variable, "bpc")) res = s->set_bpc(s, val);
    else if(!strcmp(variable, "wpc")) res = s->set_wpc(s, val);
    else if(!strcmp(variable, "raw_gma")) res = s->set_raw_gma(s, val);
    else if(!strcmp(variable, "lenc")) res = s->set_lenc(s, val);
    else if(!strcmp(variable, "special_effect")) res = s->set_special_effect(s, val);
    else if(!strcmp(variable, "wb_mode")) res = s->set_wb_mode(s, val);
    else if(!strcmp(variable, "ae_level")) res = s->set_ae_level(s, val);
    else {
        res = -1;
    }

    if(res){
        return httpd_resp_send_500(req);
    }

    httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
    return httpd_resp_send(req, NULL, 0);
}

static esp_err_t status_handler(httpd_req_t *req){
    static char json_response[1024];

    sensor_t * s = esp_camera_sensor_get();
    char * p = json_response;
    *p++ = '{';

    p+=sprintf(p, "\"framesize\":%u,", s->status.framesize);
    p+=sprintf(p, "\"quality\":%u,", s->status.quality);
    p+=sprintf(p, "\"brightness\":%d,", s->status.brightness);
    p+=sprintf(p, "\"contrast\":%d,", s->status.contrast);
    p+=sprintf(p, "\"saturation\":%d,", s->status.saturation);
    p+=sprintf(p, "\"special_effect\":%u,", s->status.special_effect);
    p+=sprintf(p, "\"wb_mode\":%u,", s->status.wb_mode);
    p+=sprintf(p, "\"awb\":%u,", s->status.awb);
    p+=sprintf(p, "\"awb_gain\":%u,", s->status.awb_gain);
    p+=sprintf(p, "\"aec\":%u,", s->status.aec);
    p+=sprintf(p, "\"aec2\":%u,", s->status.aec2);
    p+=sprintf(p, "\"ae_level\":%d,", s->status.ae_level);
    p+=sprintf(p, "\"aec_value\":%u,", s->status.aec_value);
    p+=sprintf(p, "\"agc\":%u,", s->status.agc);
    p+=sprintf(p, "\"agc_gain\":%u,", s->status.agc_gain);
    p+=sprintf(p, "\"gainceiling\":%u,", s->status.gainceiling);
    p+=sprintf(p, "\"bpc\":%u,", s->status.bpc);
    p+=sprintf(p, "\"wpc\":%u,", s->status.wpc);
    p+=sprintf(p, "\"raw_gma\":%u,", s->status.raw_gma);
    p+=sprintf(p, "\"lenc\":%u,", s->status.lenc);
    p+=sprintf(p, "\"hmirror\":%u,", s->status.hmirror);
    p+=sprintf(p, "\"dcw\":%u,", s->status.dcw);
    p+=sprintf(p, "\"colorbar\":%u", s->status.colorbar);
    *p++ = '}';
    *p++ = 0;
    httpd_resp_set_type(req, "application/json");
    httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
    return httpd_resp_send(req, json_response, strlen(json_response));
}

static esp_err_t index_handler(httpd_req_t *req){
   httpd_resp_set_type(req, "text/html");
   String page = "";
page += "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0\">\n";
page +="<style>.test{-moz-user-select: none;-o-user-select:none;-khtml-user-select:none;-webkit-user-select:none;-ms-user-select:none;user-select:none;}</style>";

page += "<script>var xhttp = new XMLHttpRequest();</script>";
page += "<script>function getsend(arg) { xhttp.open('GET', arg +'?' + new Date().getTime(), true); xhttp.send() } </script>";
//page += "<p align=center><IMG SRC='http://" + WiFiAddr + ":81/stream' style='width:280px;'></p><br/><br/>";
page += "<p align=center><IMG SRC='http://" + WiFiAddr + ":81/stream' style='width:300px; transform:rotate(0deg);'></p><br/><br/>";
page +="<div unselectable=\"on\" onselectstart=\"return false\">";
//page += "<p align=center> <button style=background-color:Green;width:90px;height:80px onmousedown=getsend('go') onmouseup=getsend('stop') ontouchstart=getsend('go') ontouchend=getsend('stop') ><b>Forward</b></button> </p>";
page += "<p align=center>";
//page += "<button style=background-color:Green;width:90px;height:80px; onmousedown=getsend('left') onmouseup=getsend('stop') ontouchstart=getsend('left') ontouchend=getsend('stop')><b>Left</b></button> ";
//page += "<button style=background-color:Red;width:90px;height:80px onmousedown=getsend('stop') onmouseup=getsend('stop')><b>Stop</b></button> ";
//page += "<button style=background-color:Green;width:90px;height:80px onmousedown=getsend('right') onmouseup=getsend('stop') ontouchstart=getsend('right') ontouchend=getsend('stop')><b>Right</b></button>";
page += "</p>";

//page += "<p align=center><button style=background-color:Green;width:90px;height:80px onmousedown=getsend('back') onmouseup=getsend('stop') ontouchstart=getsend('back') ontouchend=getsend('stop') ><b>Backward</b></button></p>";  

page += "<p align=center>";
//page += "<button style=background-color:yellow;width:140px;height:40px onmousedown=getsend('ledon')><b>Light ON</b></button>";
//page += "<button style=background-color:yellow;width:140px;height:40px onmousedown=getsend('ledoff')><b>Light OFF</b></button>";
page += "</p>";
page +="</div>";

   return httpd_resp_send(req, &page[0], strlen(&page[0]));
}
void startCameraServer(){
    httpd_config_t config = HTTPD_DEFAULT_CONFIG();
    httpd_uri_t index_uri = {
        .uri       = "/",
        .method    = HTTP_GET,
        .handler   = index_handler,
        .user_ctx  = NULL
    };

    httpd_uri_t status_uri = {
        .uri       = "/status",
        .method    = HTTP_GET,
        .handler   = status_handler,
        .user_ctx  = NULL
    };

    httpd_uri_t cmd_uri = {
        .uri       = "/control",
        .method    = HTTP_GET,
        .handler   = cmd_handler,
        .user_ctx  = NULL
    };

    httpd_uri_t capture_uri = {
        .uri       = "/capture",
        .method    = HTTP_GET,
        .handler   = capture_handler,
        .user_ctx  = NULL
    };

   httpd_uri_t stream_uri = {
        .uri       = "/stream",
        .method    = HTTP_GET,
        .handler   = stream_handler,
        .user_ctx  = NULL
    };


    ra_filter_init(&ra_filter, 20);
    Serial.printf("Starting web server on port: '%d'", config.server_port);
    if (httpd_start(&camera_httpd, &config) == ESP_OK) {
        httpd_register_uri_handler(camera_httpd, &index_uri);

    }

    config.server_port += 1;
    config.ctrl_port += 1;
    Serial.printf("Starting stream server on port: '%d'", config.server_port);
    if (httpd_start(&stream_httpd, &config) == ESP_OK) {
        httpd_register_uri_handler(stream_httpd, &stream_uri);
    }
}

camera_index.h

// Camera
#define index_html_gz_len 3635
const uint8_t index_html_gz[] = {
 0x1F, 0x8B, 0x08, 0x08, 0x8A, 0xF8, 0xFE, 0x5B, 0x00, 0x03, 0x69, 0x6E, 0x64, 0x65, 0x78, 0x2E,
 0x68, 0x74, 0x6D, 0x6C, 0x00, 0xDD, 0x5C, 0xFD, 0x72, 0xDA, 0xB8, 0x16, 0xFF, 0x7F, 0x9F, 0xC2,
 0x71, 0x77, 0x8B, 0x3D, 0x6B, 0x08, 0x10, 0x92, 0xA6, 0x26, 0x90, 0x0D, 0x84, 0xB6, 0x3B, 0xD3,
 0xAF, 0x6D, 0xF6, 0xEE, 0xEE, 0xCC, 0xCE, 0x4E, 0x2B, 0x6C, 0x19, 0xD4, 0x18, 0x8B, 0xDA, 0x72,
 0x80, 0xB2, 0x7E, 0x8E, 0xFB, 0x40, 0xF7, 0xC5, 0xEE, 0x91, 0x64, 0x1B, 0x9B, 0x8F, 0x10, 0xA0,
 0x85, 0x4E, 0x9B, 0x19, 0x90, 0xE5, 0xA3, 0xA3, 0x73, 0xCE, 0xEF, 0x7C, 0x48, 0xC6, 0xEA, 0xC5,
 0x91, 0x4D, 0x2D, 0x36, 0x19, 0x62, 0xA5, 0xCF, 0x06, 0x6E, 0xF3, 0x87, 0x0B, 0xF9, 0xA5, 0xC0,
 0xBF, 0x8B, 0x3E, 0x46, 0xB6, 0x6C, 0x8A, 0xCB, 0x01, 0x66, 0x48, 0xB1, 0xFA, 0xC8, 0x0F, 0x30,
 0x6B, 0xA8, 0x21, 0x73, 0x8A, 0xE7, 0xEA, 0xFC, 0x6D, 0x0F, 0x0D, 0x70, 0x43, 0xBD, 0x23, 0x78,
 0x34, 0xA4, 0x3E, 0x53, 0x15, 0x8B, 0x7A, 0x0C, 0x7B, 0x40, 0x3E, 0x22, 0x36, 0xEB, 0x37, 0x6C,
 0x7C, 0x47, 0x2C, 0x5C, 0x14, 0x17, 0x06, 0xF1, 0x08, 0x23, 0xC8, 0x2D, 0x06, 0x16, 0x72, 0x71,
 0xA3, 0x92, 0xE5, 0xC5, 0x08, 0x73, 0x71, 0xB3, 0x73, 0xF3, 0xF6, 0xA4, 0xAA, 0xBC, 0xF9, 0xA3,
 0x5A, 0x3B, 0x2B, 0x5F, 0x1C, 0xCB, 0xBE, 0x19, 0x4D, 0xC0, 0x26, 0xFC, 0xBA, 0x4B, 0xED, 0xC9,
 0xD4, 0x81, 0x69, 0x8A, 0x0E, 0x1A, 0x10, 0x77, 0x62, 0x5E, 0xF9, 0xC0, 0xD4, 0x78, 0x81, 0xDD,
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 0x08, 0x32, 0x7E, 0x3E, 0x88, 0x8C, 0x9F, 0x73, 0x32, 0x7E, 0x06, 0xC0, 0x66, 0x11, 0xD0, 0x97,
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 0x57, 0xF2, 0x0C, 0xF0, 0xC5, 0xB1, 0xFC, 0xFF, 0xCB, 0xFE, 0x0F, 0x86, 0xED, 0x24, 0xF8, 0xD7,
 0x4C, 0x00, 0x00
};

setup.ino

// Setup
void setup()
{
 
  Serial.begin(115200);
  Serial.setDebugOutput(true);
  Serial.println();
  
  // Delay
  delay( 100 );

  // Camera Setup
  camera_config_t config;
  config.ledc_channel = LEDC_CHANNEL_0;
  config.ledc_timer = LEDC_TIMER_0;
  config.pin_d0 = Y2_GPIO_NUM;
  config.pin_d1 = Y3_GPIO_NUM;
  config.pin_d2 = Y4_GPIO_NUM;
  config.pin_d3 = Y5_GPIO_NUM;
  config.pin_d4 = Y6_GPIO_NUM;
  config.pin_d5 = Y7_GPIO_NUM;
  config.pin_d6 = Y8_GPIO_NUM;
  config.pin_d7 = Y9_GPIO_NUM;
  config.pin_xclk = XCLK_GPIO_NUM;
  config.pin_pclk = PCLK_GPIO_NUM;
  config.pin_vsync = VSYNC_GPIO_NUM;
  config.pin_href = HREF_GPIO_NUM;
  config.pin_sscb_sda = SIOD_GPIO_NUM;
  config.pin_sscb_scl = SIOC_GPIO_NUM;
  config.pin_pwdn = PWDN_GPIO_NUM;
  config.pin_reset = RESET_GPIO_NUM;
  config.xclk_freq_hz = 20000000;
  config.pixel_format = PIXFORMAT_JPEG;

  // Init with high specs to pre-allocate larger buffers
  if(psramFound()){
    config.frame_size = FRAMESIZE_UXGA;
    config.jpeg_quality = 10;
    config.fb_count = 2;
  } else {
    config.frame_size = FRAMESIZE_SVGA;
    config.jpeg_quality = 12;
    config.fb_count = 1;
  }

  // Camera init
  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) {
    //Serial.printf("Camera init failed with error 0x%x", err);
    return;
  }

  // Drop down frame size for higher initial frame rate
  sensor_t * s = esp_camera_sensor_get();
  // 320x240 for better WiFi performance
  s->set_framesize(s, FRAMESIZE_QVGA);  
  
  // Set camera rotation 180 degrees
  // Horizontal mirror
  s->set_hmirror(s, 0);  
  // Vertical flip
  s->set_vflip(s, 1);    

  // WiFi
  WiFi.softAP(ssid1, password1);
  IPAddress myIP = WiFi.softAPIP();
  
  Serial.print("AP IP address: ");
  Serial.println(myIP);

  Serial.print("Camera Ready! Use 'http://");
  Serial.print(WiFi.softAPIP());
  //WiFi.softAPIP();
  WiFiAddr = WiFi.softAPIP().toString();
  Serial.println("' to connect");

  startCameraServer();

  // Delay 1 Second
  //delay( 1000 );

}

——

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Luc Paquin – Curriculum Vitae – 2026
https://www.donluc.com/luc/LucPaquinCVEng2026Mk01.pdf
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Don Luc

Project #12: Robotics – Camera – Mk31

February 10, 2026 by DonLuc

——

#DonLucElectronics #DonLuc #Camera #ESP32CAM #ESP32 #IoT #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

ESP32-CAM Camera

The ESP32-CAM is a small size, low power consumption camera module based on ESP32. It comes with an OV2640 camera and provides onboard TF card slot. The ESP32-CAM can be widely used in intelligent IoT applications such as wireless video monitoring, WiFi image upload, QR identification, and so on.

DL2602Mk02

1 x ESP32-CAM
1 x OV2640 Camera
1 x ESP32-CAM-MB Adapter
1 x MicroSD Card 8 GB
1 x USB Battery Pack
1 x Micro USB Cable

DL2602Mk02p

DL2602Mk02p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #12: Robotics - Camera - Mk31
12-31
DL2602Mk02p.ino
DL2602Mk02
1 x ESP32-CAM
1 x OV2640 Camera
1 x ESP32-CAM-MB Adapter
1 x MicroSD Card 2 GB
1 x USB Battery Pack
1 x Micro USB Cable
*/

// Include the Library Code
 // ESP Camera
#include "esp_camera.h"
// Arduino
#include "Arduino.h"
// SD Card ESP32
#include "FS.h"
// SD Card ESP32
#include "SD_MMC.h"
// Disable brownout problems
#include "soc/soc.h"
// Disable brownout problems
#include "soc/rtc_cntl_reg.h" 
// Driver
#include "driver/rtc_io.h"
// Read and write from flash memory
#include <EEPROM.h>

// Define the number of bytes you want to access
#define EEPROM_SIZE 1

// Pin definition for CAMERA_MODEL_AI_THINKER
#define PWDN_GPIO_NUM     32
#define RESET_GPIO_NUM    -1
#define XCLK_GPIO_NUM      0
#define SIOD_GPIO_NUM     26
#define SIOC_GPIO_NUM     27
#define Y9_GPIO_NUM       35
#define Y8_GPIO_NUM       34
#define Y7_GPIO_NUM       39
#define Y6_GPIO_NUM       36
#define Y5_GPIO_NUM       21
#define Y4_GPIO_NUM       19
#define Y3_GPIO_NUM       18
#define Y2_GPIO_NUM        5
#define VSYNC_GPIO_NUM    25
#define HREF_GPIO_NUM     23
#define PCLK_GPIO_NUM     22
 
 // Picture Number
int pictureNumber = 0;

// Software Version Information
String sver = "12-31";

void loop() {
  
}

getCamera.ino

// Camera
// Camera Setup
void isCameraSetup(){

  // Disable brownout detector
  WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0);

  // Camera Config
  camera_config_t config;
  config.ledc_channel = LEDC_CHANNEL_0;
  config.ledc_timer = LEDC_TIMER_0;
  config.pin_d0 = Y2_GPIO_NUM;
  config.pin_d1 = Y3_GPIO_NUM;
  config.pin_d2 = Y4_GPIO_NUM;
  config.pin_d3 = Y5_GPIO_NUM;
  config.pin_d4 = Y6_GPIO_NUM;
  config.pin_d5 = Y7_GPIO_NUM;
  config.pin_d6 = Y8_GPIO_NUM;
  config.pin_d7 = Y9_GPIO_NUM;
  config.pin_xclk = XCLK_GPIO_NUM;
  config.pin_pclk = PCLK_GPIO_NUM;
  config.pin_vsync = VSYNC_GPIO_NUM;
  config.pin_href = HREF_GPIO_NUM;
  config.pin_sccb_sda = SIOD_GPIO_NUM;
  config.pin_sccb_scl = SIOC_GPIO_NUM;
  config.pin_pwdn = PWDN_GPIO_NUM;
  config.pin_reset = RESET_GPIO_NUM;
  config.xclk_freq_hz = 20000000;
  config.pixel_format = PIXFORMAT_JPEG;
  config.grab_mode = CAMERA_GRAB_LATEST;

  // Camera Config
  if(psramFound()){

    // FRAMESIZE_ + QVGA|CIF|VGA|SVGA|XGA|SXGA|UXGA
    config.frame_size = FRAMESIZE_UXGA; 
    config.jpeg_quality = 10;
    config.fb_count = 2;

  } else {

    config.frame_size = FRAMESIZE_SVGA;
    config.jpeg_quality = 12;
    config.fb_count = 1;

  }

  // Delay
  delay( 100 );

  // Init Camera
  esp_err_t err = esp_camera_init(&config);
  if (err != ESP_OK) {

    // Camera init failed;
    return;

  }

  // Delay 
  delay(500);

  if(!SD_MMC.begin()){

    // SD Card Mount Failed
    return;

  }
 
  // Card Type
  uint8_t cardType = SD_MMC.cardType();
  if(cardType == CARD_NONE){

    // No SD Card attached
    return;

  }
   
  // Camera
  camera_fb_t * fb = NULL;
  
  // Take Picture with Camera
  fb = esp_camera_fb_get();  
  if(!fb) {

    // Camera capture failed
    return;

  }

  // Initialize EEPROM with predefined size
  EEPROM.begin(EEPROM_SIZE);
  pictureNumber = EEPROM.read(0) + 1;

  // Path where new picture will be saved in SD Card
  String path = "/picture" + String(pictureNumber) +".jpg";

  // Camera
  fs::FS &fs = SD_MMC; 
  File file = fs.open(path.c_str(), FILE_WRITE);
  if(!file){

    // Failed to open file in writing mode

  } 
  else {

    // Payload (image), payload length
    file.write(fb->buf, fb->len); 
    EEPROM.write(0, pictureNumber);
    EEPROM.commit();

  }

  // Close
  file.close();
  esp_camera_fb_return(fb); 
  
  // Turns off the ESP32-CAM white on-board LED (flash) connected to GPIO 4
  pinMode(4, OUTPUT);
  digitalWrite(4, LOW);
  rtc_gpio_hold_en(GPIO_NUM_4);
  
  delay(2000);
  // Going to sleep now
  delay(2000);
  esp_deep_sleep_start();
  // This will never be printed

}

setup.ino

// Setup
void setup()
{
 
  // Delay
  delay( 100 );

  // Camera Setup
  isCameraSetup();

  // Delay 1 Second
  delay( 1000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Consultant, R&D, Electronics, IoT, Teacher and Instructor

Programming Language
Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
IoT
Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
Robotics
Automation
Camera and Video Capture Receiver Stationary, Wheel/Tank , Underwater and UAV Vehicle
Unmanned Vehicles Terrestrial, Marine and UAV
Machine Learning
Artificial Intelligence (AI)
RTOS
Sensors, eHealth Sensors, Biosensor, and Biometric
Research & Development (R & D)
Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2026
https://www.donluc.com/luc/LucPaquinCVEng2026Mk01.pdf
https://www.donluc.com/luc/

Don Luc

Project #12: Robotics – ESP32-CAM – Mk30

February 3, 2026 by DonLuc

——

#DonLucElectronics #DonLuc #ESP32-CAM #ESP32 #IoT #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

ESP32-CAM

The ESP32-CAM is a small, low-cost development board that combines the powerful ESP32 chip with a 2-megapixel camera and a microSD card slot for saving pictures and videos. This makes it a self-contained module for vision projects and Internet of Things (IoT) applications. Let’s explore what makes this little device so capable.

DL2601Mk06

1 x ESP32-CAM
1 x ESP32-CAM-MB Adapter
1 x USB Battery Pack
1 x Micro USB Cable

DL2601Mk06p

DL2601Mk06p.ino

// Setup
void setup()
{
 
  // Delay
  delay( 100 );

  // Flash
  pinMode(flashPin, OUTPUT);

  // Delay
  delay( 100 );
  
  // Delay 1 Second
  delay( 1000 );

}

setup.ino

// Setup
void setup()
{
 
  // Delay
  delay( 100 );

  // Flash
  pinMode(flashPin, OUTPUT);

  // Delay
  delay( 100 );
  
  // Delay 1 Second
  delay( 1000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Consultant, R&D, Electronics, IoT, Teacher and Instructor

Programming Language
Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
IoT
Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
Robotics
Automation
Camera and Video Capture Receiver Stationary, Wheel/Tank , Underwater and UAV Vehicle
Unmanned Vehicles Terrestrial, Marine and UAV
Machine Learning
Artificial Intelligence (AI)
RTOS
Sensors, eHealth Sensors, Biosensor, and Biometric
Research & Development (R & D)
Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2026
https://www.donluc.com/luc/LucPaquinCVEng2026Mk01.pdf
https://www.donluc.com/luc/

Don Luc

Project #12: Robotics – Vibration – Mk29

May 9, 2025May 9, 2025 by DonLuc

——

#DonLucElectronics #DonLuc #Vibration #Arduino #EEPROM #Display #Elecrow #Project #Patreon #Electronics #Microcontrollers #IoT #Fritzing #Programming #Consultant

——

Crowtail – Vibration Sensor 2.0

The Crowtail- Vibration Sensor is Used to trigger the effect of various vibration with normally closed type vibration sensor SW – 420. It is widely used to reported the theft alarm, intelligent car, earthquake alarm, motorcycle alarm, etc. This module is compared with the normally open type vibration sensor module, vibration trigger for longer periods of time, can drive the relay module.

1. The product is not vibration, vibration switch is closed on state, output output low level, the green light is lit;
2. When product vibration, the vibration switch instantaneous disconnection, output, output level green light is not bright;
3. The output can be attached directly to the single chip microcomputer, through single chip microcomputer to detect the high and low level, thus to detect if there is a vibration environment, report to the police;

DL2505Mk01

1 x Crowduino Uno – SD
1 x Crowtail – Base Shield
1 x Crowtail – I2C LCD
1 x Crowtail – Vibration Sensor 2.0
1 x Crowtail – Buzzer 2.0
1 x Crowtail – LED(Green)
1 x USB Battery Pack
1 x USB Mini-B Cable

Crowduino Uno – SD

SCL – A5
SDA – A4
BUZ – 4
VIB – 5
LED – 6
VIN – +5V
GND – GND

DL2505Mk01p

DL2505Mk01p.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #12: Robotics - Vibration - Mk29
DL2505Mk01p.ino
DL2505Mk01
1 x Crowduino Uno - SD
1 x Crowtail - Base Shield
1 x Crowtail - I2C LCD
1 x Crowtail - Vibration Sensor 2.0
1 x Crowtail - Buzzer 2.0
1 x Crowtail - LED(Green)
1 x USB Battery Pack
1 x USB Mini-B Cable
*/

// Include the Library Code
// EEPROM library to read and write EEPROM with unique ID for unit
#include <EEPROM.h>
// Wire
#include <Wire.h>
// Liquid Crystal
#include "LiquidCrystal.h"

// Vibration
int iVibrationPin = 5;
int iVibrationState = 0;
String ZZ = "";

// Buzzer
int iBuzzer =  4;

// Liquid Crystal
// Connect via i2c
LiquidCrystal lcd(0);

// LED Green
int iLEDGreen = 6;

// EEPROM Unique ID Information
String uid = "";

// Software Version Information
String sver = "12-29";

void loop() {

  // isVibration
  isVibration();

  // Display Vibration
  isDisplayVibration();

  // Delay
  delay( 50 );

}

getDisplay.ino

// getDisplay
// Crowbits - OLED 128X64 UID
// Display UID
void isDisplayUID(){

  // Set up the LCD's number of rows and columns: 
  lcd.begin(16, 2);
  // Print a message to the LCD.
  // Cursor
  lcd.setCursor(0, 0);
  lcd.print("Don Luc Electron");
  // Cursor
  lcd.setCursor(0, 1);
  // Print a message to the LCD.
  lcd.print( sver );

}
// Display Vibration
void isDisplayVibration(){

  // Clear
  lcd.clear();
  // Set the cursor to column 0, line 0
  lcd.setCursor(0, 0);
  lcd.print( "Vibration" );
  // Set the cursor to column 0, line 1
  lcd.setCursor(0, 1);
  lcd.print( ZZ );

}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID() {
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getVibration.ino

// Vibration
// isVibration
void isVibration(){

  // Vibration
  iVibrationState = digitalRead(iVibrationPin);
  // Check if the vibration sensor is vibrating.
  // If it is, the vibrationState is LOW:
  if (iVibrationState == LOW) {     
       
    // Turn LED on:
    // LED Green
    digitalWrite(iLEDGreen, HIGH);  
    // Buzzer On
    digitalWrite(iBuzzer, HIGH);
    // High
    ZZ = "High";
    
  } else {
    
    // Turn LED off:
    digitalWrite(iLEDGreen, LOW);
    // Buzzer Off
    digitalWrite(iBuzzer, LOW); 
    // Low
    ZZ = "Low";
      
  }

}

setup.ino

// Setup
void setup()
{
 
  // Delay
  delay(100);
  
  // isUID EEPROM Unique ID
  isUID();
  
  // Delay
  delay(100);

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);
  // LED Green
  digitalWrite(iLEDGreen, LOW);

  // Delay
  delay(100);

  // Vibration 
  pinMode(iVibrationPin, INPUT);
  
  // Buzzer
  pinMode(iBuzzer, OUTPUT);
  // Buzzer Off
  digitalWrite(iBuzzer, LOW);
  // Low
  ZZ = "Low";

  // Delay
  delay( 100 );

  // Display UID
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Electronics, IoT, Teacher, Instructor, R&D and Consulting

Programming Language
Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
IoT
Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
Robotics
Automation
Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
Unmanned Vehicles Terrestrial and Marine
Machine Learning
Artificial Intelligence (AI)
RTOS
Sensors, eHealth Sensors, Biosensor, and Biometric
Research & Development (R & D)
Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Web: https://www.donluc.com/
Facebook: https://www.facebook.com/neosteam.labs.9/
YouTube: https://www.youtube.com/@thesass2063
Twitter: https://twitter.com/labs_steam
Pinterest: https://www.pinterest.com/NeoSteamLabs/
Instagram: https://www.instagram.com/neosteamlabs/
Patreon: https://patreon.com/DonLucElectronics59
DFRobot: https://learn.dfrobot.com/user-10186.html
Hackster.io: https://www.hackster.io/neosteam-labs
Elecrow: https://www.elecrow.com/share/sharepj/center/no/760816d385ebb1edc0732fd873bfbf13
TikTok: https://www.tiktok.com/@luc.paquin8
Twitch: https://www.twitch.tv/lucpaquin
Hackster: https://www.hackster.io/luc-paquin
LinkedIn: https://www.linkedin.com/in/jlucpaquin/

Don Luc

Project #12: Robotics – MOSFET – Mk28

April 22, 2025April 22, 2025 by DonLuc

——

#DonLucElectronics #DonLuc #Arduino #MOSFET #EEPROM #Display #Elecrow #Project #Patreon #Electronics #Microcontrollers #IoT #Fritzing #Programming #Consultant

——

Crowtail – MOSFET

Crowtail – MOSFET enables you to control higher voltage project, say 50 Volt DC, with low voltage, say 5 Volt, on microcontroller. MOSFET is also a kind of switch. There are two screw terminals on the board. One for input power source and the other for device you want to control. Crowtail – MOSFET will pass the power from one end to another when closed. But if outer power source is absent, your device can still draw power from microcontroller via the Crowtail interface.

Crowtail – Mini Fan 2.0

This is a Crowtail mini fan with the mini motor driver which use the whole analog circuit.

DL2504Mk04

1 x Crowduino Uno – SD
1 x Crowtail – Base Shield
1 x Crowtail – I2C LCD
1 x Crowtail – MOSFET 2.0
1 x Crowtail – Mini Fan 2.0
1 x 2 AAA Battery Holder with On/Off Switch
1 x Crowtail – Rotary Angle Sensor 2.0
1 x Crowtail – LED(Green)
1 x USB Battery Pack
1 x USB Mini-B Cable

Crowduino Uno – SD

SCL – A5
SDA – A4
POT – A0
MOS – 5
LEDG – 6
VIN – +5V
GND – GND

DL2504Mk04p

DL2504Mk04.ino

/****** Don Luc Electronics © ******
Software Version Information
Project #12: Robotics - MOSFET - Mk28
DL2504Mk04p.ino
DL2504Mk04
1 x Crowduino Uno - SD
1 x Crowtail - Base Shield
1 x Crowtail - I2C LCD
1 x Crowtail - MOSFET 2.0
1 x Crowtail - Mini Fan 2.0
1 x Crowtail - Rotary Angle Sensor 2.0
1 x Crowtail - LED(Green)
1 x USB Battery Pack
1 x USB Mini-B Cable
*/

// Include the Library Code
// EEPROM library to read and write EEPROM with unique ID for unit
#include <EEPROM.h>
// Wire
#include <Wire.h>
// Liquid Crystal
#include "LiquidCrystal.h"

// MOSFET
int mosfetPin = 5;

// Liquid Crystal
// Connect via i2c
LiquidCrystal lcd(0);

// LED Green
int iLEDGreen = 6;

// Rotary Angle Sensor
int iPot = A1;
// Change Your Threshold Here
int Threshold = 0;
int zz = 0;

// EEPROM Unique ID Information
String uid = "";

// Software Version Information
String sver = "12-28";

void loop() {

  // isMOSFET
  isMOSFET();

  // Display MOSFET
  isDisplayMOSFET();

  // Delay
  delay( 500 );

}

getDisplay.ino

// getDisplay
// Crowbits - OLED 128X64 UID
// Display UID
void isDisplayUID(){

  // Set up the LCD's number of rows and columns: 
  lcd.begin(16, 2);
  // Print a message to the LCD.
  // Cursor
  lcd.setCursor(0, 0);
  lcd.print("Don Luc Electron");
  // Cursor
  lcd.setCursor(0, 1);
  // Print a message to the LCD.
  lcd.print( sver );

}
// Display MOSFET
void isDisplayMOSFET(){

  // Clear
  lcd.clear();
  // Set the cursor to column 0, line 0
  lcd.setCursor(0, 0);
  lcd.print( "MOSFET" );
  // Set the cursor to column 0, line 1
  lcd.setCursor(0, 1);
  lcd.print( zz );
  
}

getEEPROM.ino

// EEPROM
// isUID EEPROM Unique ID
void isUID() {
  
  // Is Unit ID
  uid = "";
  for (int x = 0; x < 7; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getMOSFET.ino

// MOSFET
// isMOSFET
void isMOSFET(){

  // Rotary Angle Sensor
  // Threshold => 0~255
  zz = analogRead( iPot );
  Threshold = map( zz, 0, 1024, 0, 255);

  // MOSFET
  // Threshold
  analogWrite(mosfetPin, Threshold);

}

setup.ino

// Setup
void setup()
{
 
  // Delay
  delay(100);
  
  // isUID EEPROM Unique ID
  isUID();
  
  // Delay
  delay(100);

  // Initialize the LED Green
  pinMode(iLEDGreen, OUTPUT);
  // LED Green
  digitalWrite(iLEDGreen, HIGH);

  // Delay
  delay(100);

  // Rotary Angle Sensor
  pinMode(iPot, INPUT);
  
  // Delay
  delay(100);

  // Declare the motorPin as an OUTPUT:
  pinMode(mosfetPin, OUTPUT);

  // Delay
  delay( 100 );

  // Display UID
  isDisplayUID();
  
  // Delay 5 Second
  delay( 5000 );

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Electronics, IoT, Teacher, Instructor, R&D and Consulting

Programming Language
Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi, Arm, Silicon Labs, Espressif, Etc…)
IoT
Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
Robotics
Automation
Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
Unmanned Vehicles Terrestrial and Marine
Machine Learning
Artificial Intelligence (AI)
RTOS
Sensors, eHealth Sensors, Biosensor, and Biometric
Research & Development (R & D)
Consulting

Follow Us

Luc Paquin – Curriculum Vitae – 2024
https://www.donluc.com/luc/

Don Luc

Project #12: Robotics – 9DOF – Mk27

June 10, 2023 by DonLuc

——

#DonLucElectronics #DonLuc #Robotics #Magnetometer #Accelerometer #Gyroscope #MicroOLED # #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

SparkFun 9 Degrees of Freedom – Sensor Stick

The SparkFun 9DOF Sensor Stick is a very small sensor board with 9 degrees of freedom. It includes the ADXL345 accelerometer, the HMC5883L magnetometer, and the ITG-3200 MEMS gyro. The “Stick” has a simple I2C interface and a mounting hole for attaching it to your project. Also, the board is a mere allowing it to be easily mounted in just about any application.

DL2305Mk03

1 x SparkFun RedBoard Qwiic
1 x ProtoScrewShield
1 x SparkFun 9 Degrees of Freedom – Sensor Stick
1 x SparkFun Micro OLED Breakout (Qwiic)
1 x Thumb Joystick
1 x SparkFun Thumb Joystick Breakout
2 x Pololu DRV8834 Low-Voltage Stepper Motor Driver Carrier
2 x Electrolytic Decoupling Capacitors – 100uF/25V
2 x Pololu Stepper Motor Bipolar, 2.8V, 1.7 A/Phase
2 x Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes
1 x SparkFun Solderable Breadboard – Large
1 x SparkFun Cerberus USB Cable

SparkFun RedBoard Qwiic

SDA – Analog A5
SCL – Analog A4
JH – Analog A0
JV – Analog A1
JS – Digital 2
DIR – Digital 7
SPR – Digital 8
DIL – Digital 9
SPL – Digital 10
LED – Digital 13
VIN – +3.3V
VIN – +5V
GND – GND

——

DL2305Mk03p.ino

/* ***** Don Luc Electronics © *****
Software Version Information
Project #12: Robotics - 9DOF - Mk27
12-27
DL2305Mk03p.ino
1 x SparkFun RedBoard Qwiic
1 x ProtoScrewShield
1 x SparkFun 9 Degrees of Freedom - Sensor Stick
1 x SparkFun Micro OLED Breakout (Qwiic)
1 x Thumb Joystick
1 x SparkFun Thumb Joystick Breakout
2 x Pololu DRV8834 Low-Voltage Stepper Motor Driver Carrier
2 x Electrolytic Decoupling Capacitors - 100uF/25V
2 x Pololu Stepper Motor Bipolar, 2.8V, 1.7 A/Phase
2 x Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes
1 x SparkFun Solderable Breadboard - Large
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
// Arduino
#include <Arduino.h>
// DRV8834 Stepper Motor Driver
#include <BasicStepperDriver.h>
#include <MultiDriver.h>
// Wire communicate with I2C / TWI devices
#include <Wire.h>
// SparkFun Micro OLED
#include <SFE_MicroOLED.h>
// Accelerometer
#include <ADXL345.h>
// Magnetometer
#include <HMC58X3.h>
// MEMS Gyroscope
#include <ITG3200.h>
// Debug
#include "DebugUtils.h"
// FreeIMU
#include <CommunicationUtils.h>
#include <FreeIMU.h>

// DRV8834 Stepper Motor Driver
// Stepper motor steps per revolution.
// Most steppers are 200 steps or 1.8 degrees/step
#define MOTOR_STEPS 200
// Target RPM for X axis stepper motor
#define MOTOR_X_RPM 800
// Target RPM for Y axis stepper motor
#define MOTOR_Y_RPM 800
// Since microstepping is set externally,
// make sure this matches the selected mode
// If it doesn't, the motor will move at a
// different RPM than chosen
// 1=full step, 2=half step etc.
#define MICROSTEPS 1
// X Stepper motor
#define DIR_X 7
#define STEP_X 8
// Y Stepper motor
#define DIR_Y 9
#define STEP_Y 10
// BasicStepperDriver
BasicStepperDriver stepperX(MOTOR_STEPS, DIR_X, STEP_X);
BasicStepperDriver stepperY(MOTOR_STEPS, DIR_Y, STEP_Y);
// Pick one of the two controllers below
// each motor moves independently
MultiDriver controller(stepperX, stepperY);

// Joystick
#define JH A0
#define JV A1
#define JS 2

// Variable for reading the button
int JSState = 0;
// Adjusted Value
int adjustedValue = 0;
int adjustedValue2 = 0;

// LED Yellow
int iLED = 13;

// SparkFun Micro OLED
#define PIN_RESET 9
#define DC_JUMPER 1
// I2C declaration
MicroOLED oled(PIN_RESET, DC_JUMPER);

// Set the FreeIMU object
FreeIMU my3IMU = FreeIMU();

// Yaw Pitch Roll
float ypr[3];
float Yaw = 0;
float Pitch = 0;
float Roll = 0;

// Software Version Information
String sver = "12-27";

void loop() {
  
  // Button
  isButton();

  // Joystick
  isThumbJoystick();
  
  // Stepper
  isStepper();

  // isFreeIMU
  isFreeIMU();

  // Micro OLED
  isMicroOLED();
 
}

getButton.ino

// Button
// Button Setup
void isButtonSetup() {
  
  // Make the button line an input
  pinMode(JS, INPUT_PULLUP);
  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);
  
}

// Button
void isButton(){

  // Read the state of the button
  JSState = digitalRead(JS);

  // Check if the button is pressed.
  // If it is, the JSState is HIGH:
  if (JSState == HIGH) {
    
    // Button
    // Turn the LED on HIGH 
    digitalWrite(iLED, HIGH);
    
  } else {
    
    // Button
    // Turn the LED on LOW 
    digitalWrite(iLED, LOW);
    
  }

}

getFreeIMU.ino

// FreeIMU
// isFreeIMUSetup
void isFreeIMUSetup(){

  // Pause
  delay(5);
  // Initialize IMU
  my3IMU.init();
  // Pause
  delay(5);
  
}
// isFreeIMU
void isFreeIMU(){

  // FreeIMU
  // Yaw Pitch Roll
  my3IMU.getYawPitchRoll(ypr);
  // Yaw
  Yaw = ypr[0];
  // Pitch
  Pitch = ypr[1];
  // Roll
  Roll = ypr[2];

}

getMicroOLED.ino

// SparkFun Micro OLED
// Micro OLED Setup
void isMicroOLEDSetup() {

  // Initialize the OLED
  oled.begin();
  // Clear the display's internal memory
  oled.clear(ALL);
  // Display what's in the buffer (Splash Screen SparkFun)
  oled.display();

  // Delay 1000 ms
  delay(1000);

  // Clear the buffer.
  oled.clear(PAGE);
  
}
// Micro OLED
void isMicroOLED() {

  // Text Display FreeIMU
  // Clear the display
  oled.clear(PAGE);
  // Set cursor to top-left
  oled.setCursor(0, 0);
  // Set font to type 0
  oled.setFontType(0);
  // Horizontal
  oled.print("H: ");
  oled.print( adjustedValue );
  // Vertical
  oled.setCursor(0, 11);
  oled.print("V: ");
  oled.print( adjustedValue2 );
  // Yaw
  oled.setCursor(0, 21);
  oled.print("Y: ");
  oled.print(Yaw);
  // Pitch
  oled.setCursor(0, 31);
  oled.print("P: ");
  oled.print(Pitch);
  // Roll
  oled.setCursor(0, 41);
  oled.print("R: ");
  oled.print(Roll);
  oled.display();

}

getStepper.ino

// Stepper
// isStepperSetup
void isStepperSetup() {    
  
  // Set stepper target motors RPM.
  stepperX.begin(MOTOR_X_RPM, MICROSTEPS);
  stepperY.begin(MOTOR_Y_RPM, MICROSTEPS);

}
// Stepper
void isStepper() {

  // Stepper => Controller rotate
  controller.rotate(adjustedValue, adjustedValue2);
  
}

getThumbJoystick.ino

// Thumb Joystick
void isThumbJoystick() {

  // Joystick JH
  // Horizontal
  // Joystick Pot Values JH
  int potValue = analogRead(JH);
  int potValues = 0;
  // Adjusted Value
  potValues = map(potValue, 0, 1023, 1000, -1000);
  if (potValues > 300) {

    adjustedValue = potValues;

  } else if (potValues < -300) {

    adjustedValue = potValues;

  } else {

    adjustedValue = 0;

  }

  // Joystick JV
  // Vertical
  // Joystick Pot Values JV
  int potValue2 = analogRead(JV);
  int potValues2 = 0;
  // Adjusted Value2
  potValues2 = map(potValue2, 0, 1023, 1000, -1000);
  if (potValues2 > 300) {

    adjustedValue2 = potValues2;

  } else if (potValues2 < -300) {

    adjustedValue2 = potValues2;

  } else {

    adjustedValue2 = 0;

  }

}

setup.ino

// Setup
void setup()
{
  
  // Wire communicate with I2C / TWI devices
  Wire.begin();

  // Setup Micro OLED
  isMicroOLEDSetup();

  // isFreeIMUSetup
  isFreeIMUSetup();
   
  // Button Setup
  isButtonSetup();
  
  // DRV8834 Stepper Motor Driver
  isStepperSetup();

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Technology Experience

Programming Language
Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi,Espressif, etc…)
IoT
Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
Robotics
Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
Unmanned Vehicles Terrestrial and Marine
Machine Learning
RTOS
Research & Development (R & D)

Instructor, E-Mentor, STEAM, and Arts-Based Training

Programming Language
IoT
PIC Microcontrollers
Arduino
Raspberry Pi
Espressif
Robotics

Follow Us

Luc Paquin – Curriculum Vitae – 2023
https://www.donluc.com/luc/

Don Luc

Project #12: Robotics – Micro OLED – Mk26

June 3, 2023 by DonLuc

——

#DonLucElectronics #DonLuc #Robotics #MicroOLED #AdafruitMETROM0Express #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

——-

Micro OLED

Micro OLED displays are silicon-based OLED display that use a monocrystalline silicon wafer as the actively driven backplane, so it is easier to achieve high PPI (Pixel Density), a high degree of integration, and small size. This ensures they are easy to carry, have good anti-seismic performance, and have ultra-low power consumption.

DL2305Mk02

1 x Adafruit METRO M0 Express
1 x ProtoScrewShield
1 x SparkFun Micro OLED Breakout (Qwiic)
1 x Thumb Joystick
1 x SparkFun Thumb Joystick Breakout
2 x Pololu DRV8834 Low-Voltage Stepper Motor Driver Carrier
2 x Electrolytic Decoupling Capacitors – 100uF/25V
2 x Pololu Stepper Motor Bipolar, 2.8V, 1.7 A/Phase
2 x Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes
1 x SparkFun Solderable Breadboard – Large
1 x SparkFun Cerberus USB Cable

Adafruit METRO M0 Express

SCL – Digital 21
SDA – Digital 20
JH – Analog A0
JV – Analog A1
JS – Digital 2
DIR – Digital 7
SPR – Digital 8
DIL – Digital 9
SPL – Digital 10
LED – Digital 13
VIN – +3.3V
VIN – +5V
GND – GND

——

DL2305Mk02p.ino

/* ***** Don Luc Electronics © *****
Software Version Information
Project #12: Robotics - Micro OLED - Mk26
12-26
DL2305Mk02p.ino
1 x Adafruit METRO M0 Express
1 x ProtoScrewShield
1 x SparkFun Micro OLED Breakout (Qwiic)
1 x Thumb Joystick
1 x SparkFun Thumb Joystick Breakout
2 x Pololu DRV8834 Low-Voltage Stepper Motor Driver Carrier
2 x Electrolytic Decoupling Capacitors - 100uF/25V
2 x Pololu Stepper Motor Bipolar, 2.8V, 1.7 A/Phase
2 x Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes
1 x SparkFun Solderable Breadboard - Large
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
// Arduino
#include <Arduino.h>
// DRV8834 Stepper Motor Driver
#include <BasicStepperDriver.h>
#include <MultiDriver.h>
// Wire communicate with I2C / TWI devices
#include <Wire.h>
// SparkFun Micro OLED
#include <SFE_MicroOLED.h>

// DRV8834 Stepper Motor Driver
// Stepper motor steps per revolution.
// Most steppers are 200 steps or 1.8 degrees/step
#define MOTOR_STEPS 200
// Target RPM for X axis stepper motor
#define MOTOR_X_RPM 800
// Target RPM for Y axis stepper motor
#define MOTOR_Y_RPM 800
// Since microstepping is set externally,
// make sure this matches the selected mode
// If it doesn't, the motor will move at a
// different RPM than chosen
// 1=full step, 2=half step etc.
#define MICROSTEPS 1
// X Stepper motor
#define DIR_X 7
#define STEP_X 8
// Y Stepper motor
#define DIR_Y 9
#define STEP_Y 10
// BasicStepperDriver
BasicStepperDriver stepperX(MOTOR_STEPS, DIR_X, STEP_X);
BasicStepperDriver stepperY(MOTOR_STEPS, DIR_Y, STEP_Y);
// Pick one of the two controllers below
// each motor moves independently
MultiDriver controller(stepperX, stepperY);

// Joystick
#define JH A0
#define JV A1
#define JS 2

// Variable for reading the button
int JSState = 0;
// Adjusted Value
int adjustedValue = 0;
int adjustedValue2 = 0;

// LED Yellow
int iLED = 13;

// SparkFun Micro OLED
#define PIN_RESET 9
#define DC_JUMPER 1
// I2C declaration
MicroOLED oled(PIN_RESET, DC_JUMPER);

// Software Version Information
String sver = "12-26";

void loop() {
  
  // Button
  isButton();

  // Joystick
  isThumbJoystick();
  
  // Stepper
  isStepper();

  // Micro OLED
  isMicroOLED();
 
}

getButton.ino

// Button
// Button Setup
void isButtonSetup() {
  
  // Make the button line an input
  pinMode(JS, INPUT_PULLUP);
  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);
  
}

// Button
void isButton(){

  // Read the state of the button
  JSState = digitalRead(JS);

  // Check if the button is pressed.
  // If it is, the JSState is HIGH:
  if (JSState == HIGH) {
    
    // Button
    // Turn the LED on HIGH 
    digitalWrite(iLED, HIGH);
    
  } else {
    
    // Button
    // Turn the LED on LOW 
    digitalWrite(iLED, LOW);
    
  }

}

getMicroOLED.ino

// SparkFun Micro OLED
// Setup Micro OLED
void isMicroOLEDSetup() {

  // Initialize the OLED
  oled.begin();
  // Clear the display's internal memory
  oled.clear(ALL);
  // Display what's in the buffer (Splash Screen SparkFun)
  oled.display();

  // Delay 1000 ms
  delay(1000);

  // Clear the buffer.
  oled.clear(PAGE);
  
}
// Micro OLED
void isMicroOLED() {

  // Text Display FreeIMU
  // Clear the display
  oled.clear(PAGE);
  // Set cursor to top-left
  oled.setCursor(0, 0);
  // Set font to type 0
  oled.setFontType(0);
  // Horizontal
  oled.print("Horizontal");
  // Horizontal
  oled.setCursor(0, 13);
  oled.print( adjustedValue );
  // Vertical
  oled.setCursor(0, 24);
  oled.print("Vertical");
  // Vertical
  oled.setCursor(0, 37);
  oled.print( adjustedValue2 );
  oled.display();

}

getStepper.ino

// Stepper
// isStepperSetup
void isStepperSetup() {    
  
  // Set stepper target motors RPM.
  stepperX.begin(MOTOR_X_RPM, MICROSTEPS);
  stepperY.begin(MOTOR_Y_RPM, MICROSTEPS);

}
// Stepper
void isStepper() {

  // Stepper => Controller rotate
  controller.rotate(adjustedValue, adjustedValue2);
  
}

getThumbJoystick.ino

// Thumb Joystick
void isThumbJoystick() {

  // Joystick JH
  // Horizontal
  // Joystick Pot Values JH
  int potValue = analogRead(JH);
  int potValues = 0;
  // Adjusted Value
  potValues = map(potValue, 0, 1023, 1000, -1000);
  if (potValues > 300) {

    adjustedValue = potValues;

  } else if (potValues < -300) {

    adjustedValue = potValues;

  } else {

    adjustedValue = 0;

  }

  // Joystick JV
  // Vertical
  // Joystick Pot Values JV
  int potValue2 = analogRead(JV);
  int potValues2 = 0;
  // Adjusted Value2
  potValues2 = map(potValue2, 0, 1023, 1000, -1000);
  if (potValues2 > 300) {

    adjustedValue2 = potValues2;

  } else if (potValues2 < -300) {

    adjustedValue2 = potValues2;

  } else {

    adjustedValue2 = 0;

  }

}

setup.ino

// Setup
void setup()
{
  
  // Wire communicate with I2C / TWI devices
  Wire.begin();

  // Setup Micro OLED
  isMicroOLEDSetup();
   
  // Button Setup
  isButtonSetup();
  
  // DRV8834 Stepper Motor Driver
  isStepperSetup();

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Technology Experience

Programming Language
Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi,Espressif, etc…)
IoT
Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
Robotics
Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
Unmanned Vehicles Terrestrial and Marine
Machine Learning
RTOS
Research & Development (R & D)

Instructor, E-Mentor, STEAM, and Arts-Based Training

Programming Language
IoT
PIC Microcontrollers
Arduino
Raspberry Pi
Espressif
Robotics

Follow Us

Luc Paquin – Curriculum Vitae – 2023
https://www.donluc.com/luc/

Don Luc

Project #12: Robotics – Multi-Motor Control – Mk25

May 27, 2023 by DonLuc

——

#DonLucElectronics #DonLuc #Robotics #MultiMotorControl #AdafruitMETROM0Express #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

Multi-Motor Control

In order to synchronize the multi-motor system, a novel method for this system based on embedded control terminal. A controller of the strategy with the function of synchronous control is also completed. According to the requirements of this system, a distributed control structure which based on Hierarchical Approach is chosen. The hardware platform of this structure is composed of embedded control terminal motor could be driven independently. The experiment results verified that the multi-motor system is reliable, the control strategy is rational applied this multi-motor system has better dynamic response and higher reliability.

DL2305Mk01

1 x Adafruit METRO M0 Express
1 x ProtoScrewShield
1 x Thumb Joystick
1 x SparkFun Thumb Joystick Breakout
2 x Pololu DRV8834 Low-Voltage Stepper Motor Driver Carrier
2 x Electrolytic Decoupling Capacitors – 100uF/25V
2 x Pololu Stepper Motor Bipolar, 2.8V, 1.7 A/Phase
2 x Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes
1 x SparkFun Solderable Breadboard – Large
1 x SparkFun Cerberus USB Cable

Adafruit METRO M0 Express

JH – Analog A0
JV – Analog A1
JS – Digital 2
DIR – Digital 7
SPR – Digital 8
DIL – Digital 9
SPL – Digital 10
LED – Digital 13
VIN – +3.3V
VIN – +5V
GND – GND

——

DL2305Mk01p.ino

/* ***** Don Luc Electronics © *****
Software Version Information
Project #12: Robotics - Multi-Motor Control - Mk25
12-25
DL2305Mk01p.ino
1 x Adafruit METRO M0 Express
1 x ProtoScrewShield
1 x Thumb Joystick
1 x SparkFun Thumb Joystick Breakout
2 x Pololu DRV8834 Low-Voltage Stepper Motor Driver Carrier
2 x Electrolytic Decoupling Capacitors - 100uF/25V
2 x Pololu Stepper Motor Bipolar, 2.8V, 1.7 A/Phase
2 x Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes
1 x SparkFun Solderable Breadboard - Large
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
// Arduino
#include <Arduino.h>
// DRV8834 Stepper Motor Driver
#include <BasicStepperDriver.h>
#include <MultiDriver.h>

// DRV8834 Stepper Motor Driver
// Stepper motor steps per revolution.
// Most steppers are 200 steps or 1.8 degrees/step
#define MOTOR_STEPS 200
// Target RPM for X axis stepper motor
#define MOTOR_X_RPM 800
// Target RPM for Y axis stepper motor
#define MOTOR_Y_RPM 800
// Since microstepping is set externally,
// make sure this matches the selected mode
// If it doesn't, the motor will move at a
// different RPM than chosen
// 1=full step, 2=half step etc.
#define MICROSTEPS 1
// X Stepper motor
#define DIR_X 7
#define STEP_X 8
// Y Stepper motor
#define DIR_Y 9
#define STEP_Y 10
// BasicStepperDriver
BasicStepperDriver stepperX(MOTOR_STEPS, DIR_X, STEP_X);
BasicStepperDriver stepperY(MOTOR_STEPS, DIR_Y, STEP_Y);
// Pick one of the two controllers below
// each motor moves independently
MultiDriver controller(stepperX, stepperY);

// Joystick
#define JH A0
#define JV A1
#define JS 2

// Variable for reading the button
int JSState = 0;
// Adjusted Value
int adjustedValue = 0;
int adjustedValue2 = 0;

// LED Yellow
int iLED = 13;

// Software Version Information
String sver = "12-25";

void loop() {
  
  // Button
  isButton();

  // Joystick
  isThumbJoystick();
  
  // Stepper
  isStepper();
 
}

getButton.ino

// Button
// Button Setup
void isButtonSetup() {
  
  // Make the button line an input
  pinMode(JS, INPUT_PULLUP);
  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);
  
}

// Button
void isButton(){

  // Read the state of the button
  JSState = digitalRead(JS);

  // Check if the button is pressed.
  // If it is, the JSState is HIGH:
  if (JSState == HIGH) {
    
    // Button
    // Turn the LED on HIGH 
    digitalWrite(iLED, HIGH);
    
  } else {
    
    // Button
    // Turn the LED on LOW 
    digitalWrite(iLED, LOW);
    
  }

}

getStepper.ino

// Stepper
// isStepperSetup
void isStepperSetup() {    
  
  // Set stepper target motors RPM.
  stepperX.begin(MOTOR_X_RPM, MICROSTEPS);
  stepperY.begin(MOTOR_Y_RPM, MICROSTEPS);

}
// Stepper
void isStepper() {

  // Stepper => Controller rotate
  controller.rotate(adjustedValue, adjustedValue2);
  
}

getThumbJoystick.ino

// Thumb Joystick
void isThumbJoystick() {

  // Joystick JH
  // Horizontal
  // Joystick Pot Values JH
  int potValue = analogRead(JH);
  int potValues = 0;
  // Adjusted Value
  potValues = map(potValue, 0, 1023, 1000, -1000);
  if (potValues > 300) {

    adjustedValue = potValues;

  } else if (potValues < -300) {

    adjustedValue = potValues;

  } else {

    adjustedValue = 0;

  }

  // Joystick JV
  // Vertical
  // Joystick Pot Values JV
  int potValue2 = analogRead(JV);
  int potValues2 = 0;
  // Adjusted Value2
  potValues2 = map(potValue2, 0, 1023, 1000, -1000);
  if (potValues2 > 300) {

    adjustedValue2 = potValues2;

  } else if (potValues2 < -300) {

    adjustedValue2 = potValues2;

  } else {

    adjustedValue2 = 0;

  }

}

setup.ino

// Setup
void setup()
{

  // Button Setup
  isButtonSetup();
  
  // DRV8834 Stepper Motor Driver
  isStepperSetup();

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Technology Experience

Programming Language
Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi,Espressif, etc…)
IoT
Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
Robotics
Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
Unmanned Vehicles Terrestrial and Marine
Machine Learning
RTOS
Research & Development (R & D)

Instructor, E-Mentor, STEAM, and Arts-Based Training

Programming Language
IoT
PIC Microcontrollers
Arduino
Raspberry Pi
Espressif
Robotics

Follow Us

Luc Paquin – Curriculum Vitae – 2023
https://www.donluc.com/luc/

Don Luc

Project #12: Robotics – ProtoScrewShield – Mk24

May 6, 2023 by DonLuc

——

#DonLucElectronics #DonLuc #Robotics #AdafruitMETROM0Express #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

——

ProtoScrewShield

The ProtoScrewShield extends all pins of the Arduino out to 3.5mm pitch screw terminals. It also has a lot of the utility provided including: a large prototyping space of both connected and unconnected 0.1″ spaced through-holes, a couple 5V and GND busses, a reset button, general use push button, and a 5mm yellow LED. This product includes all the parts shown and comes in kit form and must be soldered together by the end user.

DL2304Mk04

1 x Adafruit METRO M0 Express
1 x ProtoScrewShield
2 x Pololu DRV8834 Low-Voltage Stepper Motor Driver Carrier
2 x Electrolytic Decoupling Capacitors – 100uF/25V
2 x Pololu Stepper Motor Bipolar, 2.8V, 1.7 A/Phase
2 x Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes
1 x SparkFun Solderable Breadboard – Large
1 x SparkFun Cerberus USB Cable

Adafruit METRO M0 Express

DIR – Digital 7
SPR – Digital 8
DIL – Digital 9
SPL – Digital 10
LED – LED_BUILTIN
VIN – +3.3V
GND – GND

——

DL2304Mk04p.ino

/* ***** Don Luc Electronics © *****
Software Version Information
Project #12: Robotics - ProtoScrewShield - Mk24
12-24
DL2304Mk04p.ino
1 x Adafruit METRO M0 Express
1 x ProtoScrewShield
2 x Pololu DRV8834 Low-Voltage Stepper Motor Driver Carrier
2 x Electrolytic Decoupling Capacitors - 100uF/25V
2 x Pololu Stepper Motor Bipolar, 2.8V, 1.7 A/Phase
2 x Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes
1 x SparkFun Solderable Breadboard - Large
1 x SparkFun Cerberus USB Cable
*/

// Include the Library Code
// Arduino
#include <Arduino.h>
// DRV8834 Stepper Motor Driver
#include <BasicStepperDriver.h>
#include <MultiDriver.h>

// DRV8834 Stepper Motor Driver
// Stepper motor steps per revolution.
// Most steppers are 200 steps or 1.8 degrees/step
#define MOTOR_STEPS 200
// Target RPM for X axis stepper motor
#define MOTOR_X_RPM 800
// Target RPM for Y axis stepper motor
#define MOTOR_Y_RPM 800
// Since microstepping is set externally,
// make sure this matches the selected mode
// If it doesn't, the motor will move at a
// different RPM than chosen
// 1=full step, 2=half step etc.
#define MICROSTEPS 1
// X Stepper motor
#define DIR_X 7
#define STEP_X 8
// Y Stepper motor
#define DIR_Y 9
#define STEP_Y 10
// BasicStepperDriver
BasicStepperDriver stepperX(MOTOR_STEPS, DIR_X, STEP_X);
BasicStepperDriver stepperY(MOTOR_STEPS, DIR_Y, STEP_Y);
// Pick one of the two controllers below
// each motor moves independently
MultiDriver controller(stepperX, stepperY);

// LED Yellow
int iLED = 13;

// Software Version Information
String sver = "12-24";

void loop() {
  
  // Stepper
  isStepper();

}

getStepper.ino

// Stepper
// isStepperSetup
void isStepperSetup() {    
  
  // Set stepper target motors RPM.
  stepperX.begin(MOTOR_X_RPM, MICROSTEPS);
  stepperY.begin(MOTOR_Y_RPM, MICROSTEPS);

}
// Stepper
void isStepper() {

  // Stepper => Controller rotate
  controller.rotate(360, 360);
  
}

setup.ino

// Setup
void setup()
{

  // Initialize digital pin iLED as an output.
  pinMode(iLED, OUTPUT);
  // Turn the LED on HIGH 
  digitalWrite(iLED, HIGH);
  
  // DRV8834 Stepper Motor Driver
  isStepperSetup();

}

——

People can contact us: https://www.donluc.com/?page_id=1927

Technology Experience

Programming Language
Single-Board Microcontrollers (PIC, Arduino, Raspberry Pi,Espressif, etc…)
IoT
Wireless (Radio Frequency, Bluetooth, WiFi, Etc…)
Robotics
Camera and Video Capture Receiver Stationary, Wheel/Tank and Underwater Vehicle
Unmanned Vehicles Terrestrial and Marine
Machine Learning
RTOS
Research & Development (R & D)

Instructor, E-Mentor, STEAM, and Arts-Based Training

Programming Language
IoT
PIC Microcontrollers
Arduino
Raspberry Pi
Espressif
Robotics

Follow Us

Luc Paquin – Curriculum Vitae – 2023
https://www.donluc.com/luc/

Don Luc