Electronics Projects Archive

The Transistor Professional Power Supply is simple and uncomplicated, offering voltage adjustments of 0.40V and current adjustments of 0.5A. The transformer used is 36VAC, 200W, and TIP142 output transistors. For..

The 100W bass amplifier is designed for installation in a speaker cabinet. It consists of three sections located on separate printed circuit boards: a subwoofer filter section and a power..

I’ve always wondered what the heating system in these tablet and liquid mosquito repellents is like. When the faulty devices arrived, I had the opportunity to examine the liquid system…

The Pigeon Repellent device reproduces the sound of the hawk, a natural enemy of pigeons. Pressing the button activates the hawk’s call. When this button is held open, the hawk’s..

The Electronic Bird, Rodent Repeller is a highly effective and environmentally friendly device for repelling birds. With a sound level exceeding 100dB, it can repel not only birds but also..

I don’t usually share power supplies that aren’t used in practice, but this project design is interesting, with a good power and voltage range. It’s a regulated power supply that..

The device is designed to control the solenoids of the loader bucket’s hydraulic system valves. The bucket control is hydraulic and consists of a valve system controlled by solenoids A-B-C-D…

Analog industrial transmission standards are still in use, as evidenced by the wide range of sensors available on the market. Existing systems sometimes require maintenance or expansion with new sensors…

200W Amplifier Circuit 2SC5200 2SA1943 (New PCB) The 200 Watt amplifier circuit I shared in the article has the quiescent current regulation done. Transistor, trimpot and resistor were added. PCB..

Combo amplifier system is designed to amplify and modify the signal from electric guitars. The signal is processed in two channels that produce clean or edited sound. The channels can..