//MAG-SW demo - connect one wire to free GPIO, connect the other to GND
//In this demo I have connected it to GPIO32 of ESP32-POE if you use other
//GPIO change the first line

const int DOOR_SENSOR_PIN = 32; // GPIO pin connected to the MAG-SW

int doorState;

void setup() {
Serial.begin(115200); // initialize serial
pinMode(DOOR_SENSOR_PIN, INPUT_PULLUP); // set Arduino pin to input pull-up mode
}

void loop() {
doorState = digitalRead(DOOR_SENSOR_PIN); // read state

if (doorState == HIGH) {
Serial.println("Door is open");
} else {
Serial.println("Door is closed");
}
}