Simple Circuits
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SIMPLE LDR CONTROL CIRCUIT
Light dependent resistor (LDR) LDRs (light-dependent resistors) are used to detect light levels, for example, in automatic security lights. Their resistance…
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Big Amps DC Motor Driver Schematic Circuit Diagram
This simple circuit is designed for use with all kinds of DC motors up to 40 amps. Basically, it’s just…
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Simple RF Detector for 2 m Schematic Circuit Diagram
This simple circuit helps you sniff out RF radiation leaking from your transmitter, improper joints, a broken cable, or equipment…
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Regulator Short Circuit Indicator Circuit Diagram
Why we need Short Circuit Indicator? Modern integrated voltage regulators are protected against short circuits but do not give an…
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Joystick converter game control adapter (GCA) for PCs
Although frowned upon by many as addictive and devoid of educational value, a computer game can be great fun to…
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Optical squelch
Many of the less expensive short. Wave receivers have no squelch circuit and continue to emanate noise when no usable…
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Electronic Reversing Circuit for Model Rains
Many model train enthusiastic UV find the mechanical reversing system for trains in the HO series from Marklin and other…
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Pulse Generator with One 4066 Circuit Diagram
A pulse generator is either an electronic circuit or a piece of electronic test equipment used to generate rectangular pulses. Pulse…
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Inexpensive Video Enhancer Circuit Diagram
Why we need a video enhancer? Usually, a video enhancer Enhances your video by adjusting its saturation, brightness, contrast, hue,…
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Battery Discharger for NiCd & NiMH Battery Packs
Why we need Battery Discharger? When batteries are charged rapidly the manufacturer usually recommends that after every fifth fast charge…
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