#include <SoftwareSerial.h> //added a library to use the Serial Monitor
int rxPin = 0; //the receiving pin
int txPin = 1; //the transmitting pin
SoftwareSerial Serial(rxPin, txPin);

int REED = 3;  // my reed switch is pin 3
int REED_value = 0; //variable to read the reed pin


void setup() {
pinMode (REED, INPUT_PULLUP); // my reed is an input (pullup)
Serial.begin(9600); // to enable communication, should correspond to serial monitor 

}

void loop() {
REED_value = digitalRead(REED); // read the value of the reed
Serial.println(REED_value);
}