Circuits & Schematics Domestic - 8

Gang Xie Description Do you often forget to irrigate your plants? Do you have to ask your neighbors to take care of them when your whole families are out for a vacation? Don’t worry any more! Here is a solution. This embedded system, ...

Reverse engineered circuit diagram of a commercial Electronic Bird. This one was built into a plastic christmas ornament and runs off a 9V battery. Note that L1 is actually just an audio transformer with an unused secondary winding. I do not ...