LED Control using Camera (Sunil)

 #include <Firmata.h>

byte ledPinMap[5] = {2, 3, 4, 5, 6};  // Map each LED to specific pins

byte ledState[5] = {0, 0, 0, 0, 0};   // Keep track of LED states (ON/OFF)

void analogWriteCallback(byte pin, int value)

{

  if (IS_PIN_DIGITAL(pin)) {

    // Check if the value is greater than a threshold to turn the LED on/off

    if (value > 127) {

      digitalWrite(ledPinMap[pin], HIGH);  // Turn on the LED

    } else {

      digitalWrite(ledPinMap[pin], LOW);   // Turn off the LED

    }

  }

}

void systemResetCallback()

{

  // Reset all LEDs to off

  for (byte i = 0; i < 5; i++) {

    ledState[i] = LOW;

    digitalWrite(ledPinMap[i], LOW);

  }

}

void setup()

{

  Firmata.setFirmwareVersion(FIRMATA_FIRMWARE_MAJOR_VERSION, FIRMATA_FIRMWARE_MINOR_VERSION);

  Firmata.attach(ANALOG_MESSAGE, analogWriteCallback);

  Firmata.attach(SYSTEM_RESET, systemResetCallback);

  Firmata.begin(57600);

  systemResetCallback();

  // Set up LED pins as OUTPUT and turn them off initially

  for (byte i = 0; i < 5; i++) {

    pinMode(ledPinMap[i], OUTPUT);

    digitalWrite(ledPinMap[i], LOW);

  }

}

void loop()

{

  while (Firmata.available())

    Firmata.processInput();

}