This is an 250mW RF power amplifier circuit project. This circuit is designed to amplify the output of about 7mW…
This simple 220V light dimmer circuit can be used to adjust the brightness of mains lights. It also can be…
This is a sound activated switch circuit. It's will turn on and turn off based on a loud sound such…
This is a simple 20W bridge amplifier based on TDA7240A. This circuit is designed for car audio system, but you…
Here's the circuit diagram of a 70W stereo power amplifier which built using single power IC STA550. The circuit is…
This is a 220V LED flasher circuit which is intended as a reliable replacement to thermally-activated switches used for Christmas…
Below is a 80W audio amplifier circuit is constructed by using a power IC TDA7295. With a very simple design,…
This is the Nokia cellphone wiring diagram collection. Fixing a cell phone is basically not a difficult thing. All you…
The following is 4 x 25W quad audio amplifier circuit (amplifier with four inputs and four outputs) based TDA7381. This…