#include <SoftwareSerial.h>
SoftwareSerial MyBT(2, 3);  // rx tx

int right_button = 7;
int left_button = 8;

char data[3] = {0,};
void setup() {
  Serial.begin(9600);
  MyBT.begin(9600);
  pinMode(right_button, INPUT);
  pinMode(left_button, INPUT);
}

void loop() {
  int left = digitalRead(left_button);
  int right = digitalRead(right_button);
  sprintf(data, "%1d%1d", left, right);
  Serial.println(data);
  MyBT.write(data);

  delay(500);
}