– Multi-Switch External Connection (Reed/Optical/Mercury…)
– 2 on board switches possibilities (Optical and Reed Switch)
– If you want to use the on board reed switch on other digital pin just change the solder jumper.
Obs: If you want to use external switches:
O_LED – Optical Switch Led power connection
SW1 – Optical Switch output/ Other Switch
SW2 – Other Switch
GND – Common ground for switches.