This is the circuit diagram of 3A switching power supply regulator: Simple and cheap, the circuit built based on well-known…
The following diagram is 16W audio amplifier circuit. The circuit built based 2 pieces of power IC LM383 in bridge…
Here the Arduino UNO schematic diagram (click to enlarge): About Arduino UNO: The Arduino Uno is really a microcontroller board…
This is the design diagram of 5 band graphic equaliser circuit build using operational amplifier chips, the NE5532 or LM833.…
The following diagram is the circuit diagram of telephone amplifier, build based small amplifier IC LM386. This is a easy…
This is the circuit diagram of current output multiplier designed for regulator IC LM78xx. By default, the regulator ID 78xx…
This is the very simple way to play a song with single 1.5 battery. You can build this circuit for…
This is a very basic dual polarity power supply circuit diagram, it also called symmetrical power supply or split power…
The following diagram is the FM transmitter circuit with FM transmision up to 4W. Voltage supply for this circuit is…