Spybotics External Switch

I really like the value/cost ratio I’m getting from my
Spybotics module. To increase that value even more, I
wanted a good way to control external motors with it.
I decided to accomplish this using a couple of
polarity switches, driven by the built-in motors of
the Spybotics module.

This configuration allows me to have two independently
controlled circuits that run off of the same or
different external power sources. The assembly
attached to the Spybotics module is very compact and
works consistently. The range of motion for the
polarity switch is limited to being on or off (no
reversing of polarity, but that might be something
I’ll add in a future version). To actuate the switch
all I have to do is run the motor at speed 1 for
15/100 seconds.