Reed switch is small switch which works with magnet and when wire is near it has current and it makes magnetic field. This magnetic field turns the reed switch ON or OFF, depending on its design and it also helps us show whether current is present or not. Circuit Working: Parts List: Components Values Quantity […]
LED and Lamps
1.2V NiMH Cell LED Flashlight Circuit
This small and 1.2V NiMH Cell LED Flashlight Circuit works like supercharger inside flashlight; normal flashlight with NiMH battery does not use full power from battery. Therefore, 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 full […]
Simple LED Driver Circuit using IC 7555
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. Also, it work like boss and control how electricity connects to LEDs, here, the chip make special pulse signal like square wave and this signal connects […]
Automatic Doorbell Light Circuit
Automatic Doorbell Light Circuit is like small help friend for our door; like when someone presses doorbell light turn ON by itself near button. Also, 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: […]
Simple Led Driver Circuit using IC LT1932
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. Also, LT1932 chip work like traffic police it controls power flow nice and […]
Ornamental Flashing LEDs Circuit
This Ornamental Flashing LEDs Circuit makes LEDs blink nice way, as it have a tiny timer chip to control ON and OFF blink. Also, we can use blinking LEDs to decorate, art or to attract people and if we can change the speed and the order of LED blink we can get different style and […]