5V Regulated Power Supply with OverVoltage Protection

55 years ago

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

UniVibe Pedal

55 years ago

The Univibe is actually a footpedal-operated phaser or phase shifter for generating chorus and vibrato simulations for electric organ or…

Univox Super-Fuzz Pedal

55 years ago

This is the circuit diagram of Univox Super-Fuzz Pedal. This pedal is actually a 69-to-early 70"s design that consists of…

Sound Activated Light / Lamp

55 years ago

This is the schematic diagram of sound activated light or lamp. The lamp or light will be turned on while…

Vox Tone Bender Pedal

55 years ago

This is the circuit diagram of Vox Tone Bender Pedal. The circuit is very similar to Fuzz Face pedal. The…

Easy Build FM Transmitter

55 years ago

This is a low cost and easy build low powered FM transmitter. The range of the FM transmitter claimed about…

Two Chips AM Radio Receiver

55 years ago

This two chips AM radio receiver circuit is a tuned radio frequency (TRF) receiver of the standard AM (amplitude modulation)…

LAN Tester

55 years ago

This LAN tester circuit originally designed by Vassilis Stergiopoulos. This LAN tester circuit optionally has two designs. The first design…

Ultrasonic Motion Detector

55 years ago

This is a ultrasonic motion detector (or movement detector) circuit. The circuit claimed has a high movement sensitivity. Even air…

Telephone Switcher

55 years ago

This diagram is the schematic diagram of telephone switcher using relays. This device connects to the telephone line and can…