Project #12: Robotics – XBee S1 – Transmitter – Mk13

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#DonLucElectronics #DonLuc #Robotics #Arduino #Fio #FioV3ATmega32U4 #XBeeS1 #Transmitter #ThumbJoystick #SlidePot #Project #Programming #Electronics #Microcontrollers #Consultant #VideoBlog

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Fio v3 – ATmega32U4

The Fio v3 is a new spin on the Arduino Fio hardware powered by the ATmega32U4.Not only is it small and LiPo-ready, it’s a very capable XBee-ready development board. The JST-connector and 3.3v system voltage make this a great development tool for portable devices, simply plug in a Li-Poly battery and you’re ready to go. Wireless sensor networks and communication are made easy by the on-board XBee socket.

The ATmega32U4, running at 8MHz, makes it possible for you to use the on-board USB jack not only to charge a connected Li-Poly battery but to actually program the device. Because this board uses a similar bootloader to the one on the Pro Micro, you will need to download and install the special software driver below. There’s also a board definition add-on for the Arduino IDE which will add support for this board.

Transmitter

XBee S1: Transmitter

CH Channel: C
PAN Id: 3333
SH Serial Number: 13A200
SL Serial Number: 40717A1F
CE Coordinator: Coordinator
BD: 9600

DL2107Mk03

1 x Fio v3 – ATmega32U4
1 x XBee S1
1 x Lithium Ion Battery – 850mAh
1 x Thumb Joystick
1 x SparkFun Thumb Joystick Breakout
1 x Slide Pot (Small)
1 x Slide Potentiometer Knob
1 x Acrylic Red 5.75in x 3.75in x 1/8in
24 x Screw – 4-40
12 x Standoff – Metal 4-40 – 3/8″
8 x Wire Solid Core – 22 AWG
1 x DIGI XCTU Software
1 x Steren Solderable Breadboard 45mm x 45mm
1 x SparkFun Solderable Breadboard
1 x SparkFun Cerberus USB Cable

Fio v3 – ATmega32U4

RX0 – Digital 0
TX0 – Digital 1
PO0 – Analog A0
JY0 – Analog A1
JY1 – Analog A2
SE0 – Digital 16
VIN – +3.3V
GND – GND

DL2107Mk03p.ino

/* ***** Don Luc Electronics © *****
Software Version Information
Project #12: Robotics - XBee S1 - Transmitter - Mk13
07-03
DL2107Mk03p.ino
1 x Fio v3 - ATmega32U4
1 x XBee S1
1 x Lithium Ion Battery - 850mAh
1 x Thumb Joystick
1 x SparkFun Thumb Joystick Breakout
1 x Slide Pot (Small)
1 x Slide Potentiometer Knob
1 x Acrylic Red 5.75in x 3.75in x 1/8in
24 x Screw - 4-40
12 x Standoff - Metal 4-40 - 3/8"
8 x Wire Solid Core - 22 AWG
1 x DIGI XCTU Software
1 x Steren Solderable Breadboard 45mm x 45mm
1 x SparkFun Solderable Breadboard
1 x SparkFun Cerberus USB Cable
*/

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

// Communication
unsigned long dTime = 50;

// Slide Pot (Small)
// Select the input pin for the slide pot
// Power
const int iSP1 = A0;
// Power to store the value
int iPower = 0;

// Connections to joystick
// Vertical
const int VERT = A1;
// Horizontal
const int HORIZ = A2;
// Pushbutton
const int SEL = 16;
// Initialize variables for analog and digital values
int vertical;
int horizontal;
int select;

// Software Version Information
// Version
String sver = "12-13";
// Unit ID Information
// UID
String uid = "";

void loop()
{

  // Thumb Joystick
  isThumbJoystick();
    
  // Process Message
  isProcessMessage();

  delay( dTime );
  
}

getEEPROM.ino

// EEPROM
// is UID
void isUID()
{
  
  // Is Unit ID
  // UID
  uid = "";
  for (int x = 0; x < 5; x++)
  {
    uid = uid + char(EEPROM.read(x));
  }
  
}

getProcessMessage.ino

// Process Message
// isProcessMessage
void isProcessMessage() {
  
   // Loop through serial buffer
   while ( Serial.available() ) 
   {

      // Print = "<" + vertical + "|" + horizontal + "|" + select + "|" + iValue + "|" + sver + "|" + uid + "*"
      
      Serial.print( '<'  );
      Serial.print( vertical );
      Serial.print( '|' );
      Serial.print( horizontal );
      Serial.print( '|' );
      Serial.print( select );
      Serial.print( '|' );
      Serial.print( iPower );
      Serial.print( '|' );
      Serial.print( sver );
      Serial.print( '|' );
      Serial.print( uid );
      Serial.println( '*' );
         
   }
     
}

getThumbJoystick.ino

// Thumb Joystick
void isThumbJoystick() {

  // Read all values from the joystick
  // Joystick was sitting around 520 for the vertical and horizontal values
  // Will be 0-1023
  vertical = analogRead(VERT);
  // Will be 0-1023
  horizontal = analogRead(HORIZ);
  // Will be HIGH (1) if not pressed, and LOW (0) if pressed
  select = digitalRead(SEL);
  // Read the value
  // Power be 0-1023
  iPower = analogRead( iSP1 );
 
}

setup.ino

// Setup
void setup()
{

  // EEPROM Unit ID
  isUID();
  
  // Pause
  delay(5);
  
  // Make the SEL line an input
  pinMode(SEL, INPUT_PULLUP);
  
  // Open serial port at 9600 baud
  Serial.begin( 9600 );

  // Pause
  delay(5);

}

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