That was over engineering and thinking outside the box at its best! Very cool man. Do you still use it, and how well does it work for you? I am sure you probably have found a few mods for it, but your effort looks like a success!
I am taking apart a flip-tip thermometer cause I am a cheap ass and don't want to spend $30 on a new thermometer to monitor my wort temp. So I have it taken apart right now, and I am going to extend the probe wires, and remove the probe from the flip switch, and find a simple latching push button switch to power it. <----- Cheap ass!!! Anyway your invention looks awesome!
Keep up the good work!


