DIY HV Variable capacitor

A few months ago as I was surfing on the net, I saw an oscilloscope based on PIC18F2550...

This circuit will operate a car"s headlights for a predetermined time to light up the driveway or...

At present, that utilize in the high-power, high frequency, narrow pulsing application is...

A new type of remote control based on ultra sonic sound. The transmitter part of the circuit is...

This circuit was designed to protect a dual rail power supply from shorts across the two rails....

An electronic dice is a classic first project for those getting interested in electronics. A...

The longer the locks are not used with either the remote or central lock button, the stronger the...

This circuit can be used from low frequencies to at least 120MHz using series resonant crystals...

Having wired the camera with external shutter leads I now needed a way to trip them. They needed...

Linear electronic oscillator circuits, which generate a sinusoidal output signal, are composed of...

A delay by the improved quenching lamp pull switch, its performance and the example described...

Application Example A photovoltaic control circuit, the figure of Triac is called solid state...

Electrical properties of the tube with good quality output transformer has a great relationship,...