////////////////////////////////////////////// // HALL EFFECT SENSOR DEMO // // // // http://www.educ8s.tv // ///////////////////////////////////////////// int hallSensorPin = 3; // Define the hall pin int ledPin = 8; // Led pin int state = 0; void setup() { Serial.begin(115200); pinMode(ledPin, OUTPUT); pinMode(hallSensorPin, INPUT); } void loop(){ state = digitalRead(hallSensorPin); if (state == LOW) { digitalWrite(ledPin, HIGH); Serial.println("Magnet Detected"); //Include this if you have the serial communication configured } else { digitalWrite(ledPin, LOW); } }