esp32-bluetooth

 

#include "BluetoothSerial.h"

BluetoothSerial SerialBT;

const int ledPin=2;

void setup() {

  // put your setup code here, to run once:

SerialBT.begin("ESP32-Bluetooth20250402Β");

pinMode(ledPin,OUTPUT);

}

void loop() {

  // put your main code here, to run repeatedly:

if(SerialBT.available()) {

  char c=SerialBT.read();

  if(c=='1'){

    digitalWrite(ledPin,1);

  } else if (c=='0') {

    digitalWrite(ledPin,0);

  }

}

}