Radio remote controls for toy cars

Playing cars that are controlled via radio signals is an interesting game. The much-loved toy cars children, plus a simple circuit will be t...

Transmitter and Receiver Infra Red Headphone

Transmitter and receiver circuit using infra red audio signal is applied to emit an audio signal and will received on a headphones. Making h...

Wireless receiver microphone circuit

Just as in the transmitter circuit, the series of FM Wireless Microphone Receiver Hi Fi also uses an FM audio receiver module. Module used i...

Wireless transmitter microphone circuit

Wireless FM transmitter circuit Microphone Hi Fi using a model-ready transmitters, this is because the buil-up transmitter module has a tran...

80 MHz - 108 MHz FM transmitter circuit

FM transmitter or often called fm transmitter uses 2 transistors in this article uses 2 transistors 2n2222. If the fm transmitter is in use ...