Electronics Projects Archive

A simple 0-30V 0-3A regulated power supply circuit based on the NE5532 opamp IC that you can use in your electronics workshop. Basic parameters of the power supply: Input voltage..

Simple 555 circuit. The water tank filling circuit is based on the NE555 timer IC. By measuring the water level in the tank, it automatically starts the water pump motor..

100W Amplifier circuit provides high power with less material. Output transistors 2 2SC5200 NPN transistors. PNP transistor is not used for output in this amp design. The operating voltage of..

Compared to the previously shared Li-Ion battery balancer battery balance circuits, it is a simple circuit that you can make with less material. Li-Ion battery stabilizer is a system that..

The vu meter circuit, which can operate peak hold and normally, has a 2×20 LED peak indicator. Leds are controlled by Atmega8 microcontroller. The display range is -34 to +4..

I tested the Joke Remote on Samsung, Toshiba, Arcelik, Vestel televisions. It can turn on and off. Arcelik TV was a very old model, it only turned it off. 2021..

When I found a regular PCB drawing of a 100W amplifier circuit that I had in mind for a long time, I went into practice. Darlington (TIP147 TIP142) power transistors..

Mobile line compatible DTMF relay control project made by arranging the fixed line DTMF relay control project of my @ETE teacher. ULN2004 for relay driver used CM8880 IC for DTMF..

A circuit PCB design that adjusts the fan speed according to the temperature was made as small as possible, most of the components are SMD, in addition to the fan..

The single channel 200W version of the amplifier shared in the article 400w (2X200w) Transistor Amplifier Circuit was designed as small as possible in PCB size. The power transistors of..