7 Segment LED Digital Clock with IC MM5314N

55 years ago

This is the circuit diagram of digital clock based on IC MM5314N. The clock display uses 6 pieces of 7…

LED Indicator for 220V AC Mains

55 years ago

This is the schematic diagram of LED indicator for 220V AC Mains which can be used to indicate that the…

Metronome Sound Generator

55 years ago

This is the electronic circuit diagram of metronome sound generator. The circuit featured adjustable volume and beats/minute with potentiometers. LED…

3V to 9V DC Converter

55 years ago

This is the circuit diagram of 3V to 9V DC converter which capable to deliver output voltage about 10.4v on…

2000W Class AB Power Amplifier

55 years ago

This is the circuit diagram of 2000W class AB power amplifier uses 7 pairs MJ15003 and MJ15004 transistors for the…

Power Amplifier 2000 Watt

55 years ago

This is linear power amplifier 2000 Watt which need advance knowledge in electronics since the schematic diagram is very complex…

Adjustable Regulated Battery Charger

55 years ago

This battery charger circuit is regulated and adjustable to make this circuit able to charge the mosto NiCAD battery. This…

CD/DVD/Bluray-Disk Drives Troubleshooting and Repair Tutorial

55 years ago

This is the CD Drives troubleshooting and repair tutorial for your electronic service reference. It should be work and also…

Simple 3 Channels Mini Audio Mixer

55 years ago

This is the simple and low cost 3 channels mini audio mixer circuit diagram. This circuit supplied using 9V power…

Active FM Booster

55 years ago

This is a simple low cost circuit of an active FM booster that can be used to amplify the FM…