Electronics Projects Archive

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..

Regulated power supply can be adjusted between 0.20 Volt 8 Ampere or 0.40 Volt 4 Ampere according to the selection. Current limiting between 0V and 20V 2mA..8A. High output voltage,..

LM324 Electronic Load 4 Mosfet is the 8 mosfet version of the LM324 op amp blind load device shared in the article. The PCB size is 10x10cm and single-layer. The..

The mosfet amplifier was originally made as a subwoofer amplifier, but that doesn’t mean that the amplifier performs poorly in the rest of the frequency range. It’s a powerful, quality..

I modified the ATX 80 Plus power supply with active PFC using SC3805 or CM6805BSX integrated circuits for single output 13.8V high power. In the article “Flyback atx power supply..

Connecting a Car Battery to a UPS Uninterruptible Power Supply I mentioned in the article that I need to modify the SMPS power supply to charge the car battery.. The..

Can a car battery be connected to a UPS?, Can a car battery be charged with a UPS?, Installing a car battery to a UPS. I was using a small..

High power SMPS application with IR2153 Welding machine. Used in profile welding etc. works well. Explanation for adjustment: The only adjustment to be made is to set the frequency for..

ATmega88 led heart circuit (smd led effect), Led Heart Circuit Music Box RGB Led Effect, RGB Led Heart Circuit PIC 12F629 Mood Light, 30 Led LED Heart circuit made with..