Power Amplifiers Tutorial

The 555 is wired as an astable and the capacitor is charged only through the 4,7Kohm trimmer...

This circuit detects the 1050-Hz tone sent by the NOAA (National Oceanic and Atmospheric...

Sometimes you have a situation where you have a 5-V supply voltage but part of the circuit needs...

Make a toy device which spins to the left whenever there is an obstruction in front of it,...

This is a step by step guide to modifying the disposable camera flash unit that powers the Geiger...

Did you take that shorting wire off the resistor What about your pot, did you leave it cranked on...

This article explains What is inverter And how can you construct your own simple low cost 12V to...

This Circuit is a DPM or digital panel meter. It has a analog bar graph display and a 3-1/2 digit...

The thermometer meter slinger circuit is composed of power supply circuit and meter slinger...

A durable car power inverter can give you a more convenient life. 100W car power inverter is the...