This is a small variable power supply delivers adjustable output voltage of 1.3v-12v.......
220V Light-Operated On/Off Switch
This schematic diagram is a light-operated, remote-controlled solidstate......
Gold Detector Schematic
Here the very simple and easy build gold detector circuit. The circuit capable......
Simple Intercom Circuit with Transistors
This is a 2-station simple intercom circuit build based on transistors part and......
Interior Light Fader for Automobile
Here the circuit diagram of Interior Light Fader for Automobile. The circuit......
Dynamic Mic Amplifier (To Use Speaker as Microphone)
Penulis schematic diagram
This is the circuit diagram of dynamic mic amplifier. This simple and easy built......
Basic Oscillator Circuit using Two Transistors
Penulis schematic diagram
This is the schematic diagram of basic oscillator circuit which using two transistors.......
One Transistor LED Flasher Circuit
Here the schematic diagram of one transistor LED flasher. This circuit can be......
Magic Lights Circuit using Bi-Colour LED
This is the magic lights circuit which use bi-colour LED as the output to provide......
Simple Audio Booster
Penulis schematic diagram
This is a simple and low-cost audio booster circuit design. The circuit is based......
Cricket Chirping Sound Generator
Penulis schematic diagram
This is the circuit diagram of cricket chirping sound generator based on IC 4060,......
19W Power Amplifier based LA4440
Penulis schematic diagram
This is the 19W power amplifier circuit built based power IC LA4440. The LA4440......
15W Audio Amplifier with STK055
Penulis schematic diagram
Here the schematic diagram of 15W audio amplifier, built based on single power......
Mice Repellent Circuit
Penulis schematic diagram
This is the circuit diagram of mice repellent. Mice are animals that are very annoying,......
Surround Sound Processor Circuit
Penulis schematic diagram
This is the easy build surround sound processor circuit using the digital delay......
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