Nice video. Thanks ... When you activate the status sensor, there should be no relay clicking. Relay clicking
is only when you actually open/close a door. The sensor is only there to report whether a door gets opened
or closed.
I suggest you tackle the problem in two steps. First, wire things to make the open/close portion of the
circuitry work. Once that works, don't remove anything and add the additional circuitry to make the sensing
portion work too.
So for the first portion, assuming you have the INO code properly configured and uploaded to your Arduino,
you should have 2 wires, one connected to COM1 and the other connected to NO1. When you touch those 2
wires together, you should be getting a relay clicking on your RelayShield. Typically, these 2 wires would
be attached to your wall mount switch.
Now, for the second portion (only tackle this if the above worked). Again, assuming you have the INO code
properly configured and uploaded to your Arduino, you should have 2 wires, one connected to GND and the
other connected to Analog pin #2. When you touch those 2 wires together, you shouldn't see nothing apparent
at the hardware level at this point. You could be receiving notifications if you've configured those properly
in the INO code. In all cases, touching the 2 wires should not trigger any relays, should not reboot your
Arduino or do any other funky things as your video shows.
Note that the DFRobot RelayShield v2.1 has jumpers that can be tweaked with. I believe one of the other
forum threads on our forums (DFRobot RelayShield 2.1 forum) talks about this. Make sure all jumpers are
where they should be, based on the DFRobot RelayShield 2.1 documentation:
http://www.dfrobot.com/wiki/index.php/Relay_Shield_for_Arduino_V2.1_(SKU:DFR0144)Hope this helps.