220V Light Dimmer

55 years ago

This simple 220V light dimmer circuit can be used to adjust the brightness of mains lights. It also can be…

Sound Activated Switch

55 years ago

This is a sound activated switch circuit. It's will turn on and turn off based on a loud sound such…

80W Audio Amplifier Using TDA7295

55 years ago

Below is a 80W audio amplifier circuit is constructed by using a power IC TDA7295. With a very simple design,…

Nokia Cell Phone

55 years ago

This is the Nokia cellphone wiring diagram collection. Fixing a cell phone is basically not a difficult thing. All you…

TDA7381 4 x 25W Quad Audio Amplifier

55 years ago

The following is 4 x 25W quad audio amplifier circuit (amplifier with four inputs and four outputs) based TDA7381. This…

12V Car Battery Charger

55 years ago

Here is a simple and easy to build circuit diagram of a 12V car battery charger: Components List: R1 =…

60W Power Audio Amplifier based on TDA2052

55 years ago

This is the 60W power audio amplifier circuit based on IC TDA2052. If you want to create an amplifier that…

32W Hi-Fi Audio Amplifier with TDA2050

55 years ago

Here is a Hi-Fi power audio amplifier circuit, built with a power IC TDA2050. This circuit will produce a power…

2x25W Stereo Power Amplifier with STK4141II

55 years ago

Here the stereo power amplifier based on single IC STK4141II. This stereo amplifier circuit will deliver 25W audio power on…

2 x 100W Stereo Power Amplifier with STK4231II

55 years ago

Here is the?2 x 100W stereo power amplifier with STK4231II as the main amplifier component. This is a high power…