// Program for attiny1614 to turn on led that get command from esp32
// created by Jans Hendry
// Universitas Gadjah Mada, Indonesia
// Kamakura Node, Japan
// fab academy MIT - 2022

// variables
const int sigFromesp = 6;
const int LED = 9; 

void setup(){

  // start serial
  Serial.begin(115200);
  
  // setup pins for signaling
  pinMode(LED, OUTPUT);
  digitalWrite(LED, LOW);
  pinMode(sigFromesp, INPUT_PULLUP);
  
  delay(500); // delay 0.5 sec
}

void loop(){

  // Turn ON or OFF LED in ATTINY3216 according to signaling from esp that it 
  // takes from bluetooth connection (Mobile Phone)
  if (digitalRead(sigFromesp) == HIGH){
    digitalWrite(LED, HIGH);
    delay(20);    
  }
  else{
    digitalWrite(LED, LOW);
    delay(20);
  }
  delay(100);
}