/*  ___   ___  ___  _   _  ___   ___   ____ ___  ____  
 * / _ \ /___)/ _ \| | | |/ _ \ / _ \ / ___) _ \|    \ 
 *| |_| |___ | |_| | |_| | |_| | |_| ( (__| |_| | | | |
 * \___/(___/ \___/ \__  |\___/ \___(_)____)___/|_|_|_|
 *                  (____/ 
 * Reed magnetic sensor module test project
 * tutorial url: http://osoyoo.com/?p=664
 */
int Led=13; 
int buttonpin=3; 
int val; 
void setup()
{
pinMode(Led,OUTPUT); 
pinMode(buttonpin,INPUT); 
}
void loop()
{
val=digitalRead(buttonpin); 
if(val==HIGH) 
{
digitalWrite(Led,HIGH);
}
else
{
digitalWrite(Led,LOW);
}
}