The electronic dog repellent circuit diagram is a high output ultrasonic transmitter ... Do not use it as a home smoke detector it’s jus for electronic projects. Metal detector The metal detector ...

Let’s see the top 10 electronic circuits for February 2011 ... LED circuits Some DIY LED circuits and projects… diy metal detector The heart of this diy metal detector circuit is CS209A. The metal ...

Looking for a light project to teach young hackers some very basic electronics ... eBook on 50 555 Circuits, which contains many cool project ideas, including a simple metal detector circuit.

The metal detector electronics were connected to make the ... Finally, we wired up the battery to the radio and all the other circuits and made sure all the various pieces, i.e. the circuit ...