This is the circuit diagram of 5V Regulated Power Supply circuit, featured with over voltage protection. The circuit is based regulator chip 7805; Thyristor SCR […]
Electronic Schematic Diagram
UniVibe Pedal
The Univibe is actually a footpedal-operated phaser or phase shifter for generating chorus and vibrato simulations for electric organ or guitar. It was introduced in […]
Univox Super-Fuzz Pedal
This is the circuit diagram of Univox Super-Fuzz Pedal. This pedal is actually a 69-to-early 70″s design that consists of two special capabilities. They are […]
Sound Activated Light / Lamp
This is the schematic diagram of sound activated light or lamp. The lamp or light will be turned on while a loudy sound catch by […]
Vox Tone Bender Pedal
This is the circuit diagram of Vox Tone Bender Pedal. The circuit is very similar to Fuzz Face pedal. The Vox ToneBender will have a […]
Easy Build FM Transmitter
This is a low cost and easy build low powered FM transmitter. The range of the FM transmitter claimed about 300 feets when running at […]
Two Chips AM Radio Receiver
This two chips AM radio receiver circuit is a tuned radio frequency (TRF) receiver of the standard AM (amplitude modulation) radio with broadcast frequencies at […]
LAN Tester
This LAN tester circuit originally designed by Vassilis Stergiopoulos. This LAN tester circuit optionally has two designs. The first design is built based 2 main […]
Ultrasonic Motion Detector
This is a ultrasonic motion detector (or movement detector) circuit. The circuit claimed has a high movement sensitivity. Even air moving (hot air rising, wind […]
Telephone Switcher
This diagram is the schematic diagram of telephone switcher using relays. This device connects to the telephone line and can be used to remotely control […]