#include <SoftwareSerial.h>

SoftwareSerial mySerial(0, 1);


int bState;
int RED = 8;
int BLUE = 3;
int ORANGE = 2;
int BUTT = 7;




// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(ORANGE, OUTPUT);
  pinMode(BLUE, OUTPUT);
  pinMode(RED, OUTPUT);
  pinMode(BUTT, INPUT_PULLUP);
  mySerial.begin(115200);
}


void loop()
{
  if (mySerial.available()) {
    char in = mySerial.read();
    if (in == 'l') digitalWrite(RED, LOW);
    if (in == 'L') digitalWrite(RED, HIGH);
  }
  int newBState = digitalRead(BUTT);
  if (bState != newBState) {
    bState = newBState;
    if (bState) mySerial.print('b');
    else mySerial.print('B');
  }
}