light blocking sensor
//click read more to get full coding friends //light blocking sensor coding //this coding belongs to pradeep royal creation youtube channel int Led=13;//define the led's(also use buzzer) port int sensor =3; //define the port of light blocking module int val;//define digital variable val void setup() { pinMode(Led,OUTPUT);//define digital variable val pinMode(sensor ,INPUT);//define light blocking module as a output port } void loop() { val=digitalRead(sensor);//read the value of the digital interface 3 assigned to val if(val==HIGH)//when the light blocking sensor have signal, LED blink { digitalWrite(Led,HIGH); } else { digitalWrite(Led,LOW); } }
