Ultrasonic Tx-Rx Tutorial

This circuit uses a tachometer to generate a feedback signal which is compared to a reference...

Integrated circuit Ul is connected as a low-frequency asymmetrical oscillator. Its output is...

Our reader Andrea (andrea[dot]perugia[-at-]gmail[dot] com) sent his circuit to us, and he creates...

The objective of this project is to make a controller based model to count number of persons...

When a new computer modem enters the household, the demands on the home phone line skyrockets....

Shows a 32.768 kl-b: micro-power clock oscillator circuit, and can be used in mobile phones,...

Have you ever in the dark watching time from the mobile phone In this case the bright and dark...

The circuit uses a 555 timer wired as an astable oscillator and powered by the emitter current of...