ELECTRONIC CIRCUIT

Wireless Receiver Application Circuit with the GL116 decoder

The packets of serial output that are generated by the transmitter encoder and sent to the receiver decoder by wireless, infra red or other means are fed into serial input pin 40 of the decoder. A packet is stored and the address bytes within it are compared with  [...]

Make mixer and a mic pre amp used tr BC177 or BC558

This is the schematics of a simple low cost mic mixer that can be assembled from the components in your junk box. This two channel mike mixer is designed for handling high impedance dynamic microphones. Transistor Q1 can be any general purpose pnp [...]