CPP 147
Hc-05 led arduino uno Guest on 3rd February 2024 07:51:06 AM
  1. #define led 7
  2. int a = 0;
  3.  
  4. void setup() {
  5.   pinMode(led, OUTPUT);
  6.   Serial.begin(9600);
  7. }
  8.  
  9. void loop() {
  10.   if(Serial.available() != 0){
  11.     a= Serial.read();
  12.  }
  13.  
  14.  if (a== '0') {
  15.   digitalWrite(ledPin, LOW);
  16.  }
  17.  else if (a== '1') {
  18.   digitalWrite(ledPin, HIGH);
  19.  }
  20. }

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