Just noticed this at ThinkGeek today: https://www.thinkgeek.com/geektoys/science/8546/images/1639/
It looks like a pretty simple circuit, especially since it's pretty cheap for a novelty-type kit. I wonder how this works, maybe a PIC? Any ideas?
It looks like a pretty simple circuit, especially since it's pretty cheap for a novelty-type kit. I wonder how this works, maybe a PIC? Any ideas?