Electronic Door Lock Security Key

This is the circuit diagram electronic door lock security key system. It means that this security system circuit is the…

55 years ago

Tube Sound Fuzz Mods

This tube sound fuzz mods circuit is taken from the book of Electronic Projects for Musicians by Craig Andertons. This…

55 years ago

Video Amplifier based LH0032

This is schematic diagram of a video amplifier circuit, built based very high speed operational amplifier IC LH0032. (more…)

55 years ago

LM4809 105mW Stereo Headphone Amplifier

This is the stereo headphone amplifier circuit diagram, built based LM4809. This circuit can be used for stereo headphone amplifier…

55 years ago

Stereo Tube Amplifier 4 Watts

This is the circuit diagram of stereo tube amplifier using 6SQ7-GT and 6V6-GT. The tube amplifier circuit is uses the…

55 years ago

Solar Powered Mobile Phone Battery Charger

This is the schematic diagram of solar powered mobile phone battery charger. The circuit is designed to charge the battery…

55 years ago

DOD Overdrive Preamp 250

This is the DOD Overdrive 250 preamp circuit diagram. The DOD Overdrive 250 is Yet Another 741 With Two Diodes…

55 years ago

Octave Fuzz Pedal – Guitar Effects Unit

Here the circuit diagram of octave fuzz guitar effect pedal. This guitar effect unit is great sounding octave fuzz, with…

55 years ago

5V Regulated Power Supply with OverVoltage Protection

This is the circuit diagram of 5V Regulated Power Supply circuit, featured with over voltage protection. The circuit is based…

55 years ago