Ultrasonic Tx-Rx Tutorial

This FM transmitter (FM Tx) is about the simplest and most basic FM Tx it is possible to build...

It is a relatively simple circuit of electronic lock of safety with code of 7 digits. It should...

As we know that all semiconductors have this bad habit of changing its basic characteristics in...

Controlling the speed of three phase ac motor is done by controlling the frequency of the power...

This is a simple but effective code lock circuit that has an automatic reset facility. The...

An interesting hobby circuit of a crank door bell! The circuit is built around a timer 555 and a...

Chipmunk BASIC has lots off useful functions. So I wrote a small BASIC file to read the serial...

This article celebrates in 2008 the 45 Years of the invention of PAL as well as to give an...

The circuit shown here is of a good Stereo FM transmitter that can transmit high quality signals...

As shown in FIG constituted by ISO102 and INA101 have to eliminate ground loops, and high-end...