5V Regulated Solar Cell Power Supply

54 years ago

Powered with solar panel, the circuit will give you 5V pure regulated DC voltage. This solar cell power supply circuit…

2 x 5.8W Stereo Power Amplifier with KA2211

54 years ago

This is a stereo power amplifier based on Samsung IC KA2211. With single chip, this circuit will deliver stereo output…

Adjustable Symmetric 1 to 24VDC, 1A Power Supply

54 years ago

This is the circuit diagram of adjustable symmetric 1 to 24VDC, 1A Power Supply. This power supply give dual output…

Motor Speed Control with MAX4295

54 years ago

This is a motor speed controller circuit diagram built based MAX4295 from Maxim. By using this circuit, you will be…

Lithium Battery Charger

54 years ago

This battery charger circuit is used to recharge the rechargable lithium battery. The circuit comes from Molicel. Charging is accomplished…

Mini FM Transmitter with 2 Transistors

54 years ago

Here the simple and low cost FM transmitter which powered using two transistors. This circuit may be tuned to operate…

Simple Bench Amplifier

54 years ago

Above schematic diagram is a small 325mW amplifier circuit based on LM386 with a voltage gain of 200 that can…

Bass Guitar Preamp Pedal

54 years ago

Here is the circuit diagram and PCB design for relatively low cost DIY bass guitar preamp pedal uses FET K117…

Safer Security System Alarm

54 years ago

Here the circuit diagram of safer security system alarm. There are many security systems use a closed loop of wires…

Electronic Bird Chirp Sound Generator

54 years ago

This is electronic bird chirp sound generator circuit which used to produce a sound like bird's chirp. The transformer is…