Here the circuit schematic of a delayed turn-on relay driver. It has capability to produce adjustable time delays for up…
This is the circuit diagram of zener diode tester which tests zener diodes with breakdown voltages extending up to 120…
This is the 300W RMS stereo power amplifier circuit project. This amplifier is based four pieces of power IC TDA7294.…
This is an active stereo tone control circuit using very well known op-amp IC of TL072. The circuit include mic…
This is a very interesting circuit design to assemble. There are 4in1 amplifier module in a circuit board. 100W power…
This is the circuit diagram of TRIAC, SCR and Transistor tester. This is a very simple circuit which can be…
This is the circuit design of unipolar stepper motor driver to control unipolar stepper motors with 5, 6 or 8…
This is the glow plug control module unit to raise the air temperature inside the engine cylinder for quick and…
This is the circuit diagram of 5VDC single polarity to 12VDC dual polarity converter based on IC LM2595-12 from National…
This is the circuit diagram of 0-60V / 0-2A variable power supply. Of course this circuit used to cover the…