After testing out the circuit operation and layout on a breadboard I hand wired components onto this prototype board. It looks a little rough but it worked.

Here is an early development board using the Parallax Propeller for logic and control. I really like the Propeller chip and it was capable of handling the basics for TPC.

I’m just getting started with migrating my content history off of Facebook and onto WordPress so more posts will come as I make progress.