Posted inarduino
laser scurity
Bahan yang diperlukan:-LED-Laser-Photoresistor-Piezo Buzzer-Breadboards-Arduino uno-Resistor 10Ω Resistor-220Ω Resistor for led.-jumper wirehttps://www.instructables.com/Arduino-Tutorial-Laser-Security-System/ CODING : int sensorPin=A0; int sensorValue=0; int piezoPin=9; void setup(){ pinMode(sensorPin,INPUT);pinMode(7,OUTPUT);pinMode(6,OUTPUT);pinMode(piezoPin,OUTPUT);digitalWrite(7,HIGH); digitalWrite(6,LOW); } void loop(){sensorValue=analogRead(sensorPin);if(sensorValue<=1000) {digitalWrite(piezoPin,HIGH);{tone(9,3047,400); noTone(8); }digitalWrite(7,HIGH); }…