220V LED Flasher

55 years ago

This is a 220V LED flasher circuit which is intended as a reliable replacement to thermally-activated switches used for Christmas…

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…

Courtesy Light

55 years ago

The following scheme is a courtesy light circuit you can use to delay an electronic device to be disabled. For…

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 =…

3V Lamp Brightness Controller

55 years ago

Here's theĀ 3V lamp brightness controller circuit diagram used to control the brightness of the light bulb. You simply use the…

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…

TDA7383: 4 x 35W Quad Bridge Amplifier

55 years ago

Here is the circuit diagram of 4 x 35W quad bridge amplifier. This is a power amplifier that has four…

140W Power Amplifier with STA5100

55 years ago

This is a mono power amplifier circuit powered with single Amplifier chip STA5100. The chip will deliver single power output…