I call it a 'bug' .. A little 6 oscillator light sensitive device that fits on the back of a 9 volt battery. I designed and built a few in 2012. Thanks for asking!

I call it a 'bug' .. A little 6 oscillator light sensitive device that fits on the back of a 9 volt battery. I designed and built a few in 2012. Thanks for asking!

Wow, looking sick. Is it to much to ask if you could share the schematic of this 🐛?