LED and Lamps

This small and simple LED tester circuit is like a small doctor for LED. It helps to see if our light LED is working or not. Think like a small setup one battery, some small resistor like tiny traffic light for electric and clip to put LED. When we put LED in circuit check if […]

Think our lights are as a safety friend this simple backup light circuit is like a good helper for our lamps. It have two or more lights and smart system. If one light stop working the other light turn ON by itself and there is no need to stay in dark. Very useful in important […]

This small and simple 1.2V NiMH cell LED flashlight circuit works like supercharger inside flashlight. Normal flashlight with NiMH battery does not use full power from battery. But this circuit have special booster which takes low 1.2 volt and make it higher like 3.3 volt so LED can glow more bright. So we can use […]

Simple LED Driver Circuit using IC 7555 uses one special chip called as 7555 IC. People mostly use it for timing but here we have used for different way. It work like boss and control how electricity connects to LEDs. Chip make special pulse signal like square wave and this signal connects to transistor which […]

Simple Automatic Doorbell Light Circuit is like small help friend for our door When someone presses doorbell light turn ON by itself near button. It help us to see button easily and specially in night or dark time. So we can open door fast and can be safe for visitor. Circuit Working: Parts List: Category […]

This Simple Led Driver Circuit using IC LT1932 chip works like special power for LED lights. LEDs do not like too much or too little power so this circuit gives just a right amount and then LED shine good and live long. LT1932 chip work like traffic police it controls power flow nice and smooth […]