A CFL bulb needs a special helper circuit to turn on and shine brightly. This circuit acts like a translator, taking your regular home electricity and converting it into the right power and signals the CFL needs. CFL bulbs are like tiny recyclers they use a little mercury vapor to create invisible light then zap […]
LED and Lamps
Home » LED and Lamps »
Simple 3V LED Driver Circuit using IC LT1937
This circuit is a tiny power manager for your LED! It takes a higher voltage like from a battery and steps it down to the perfect 3V your LED needs. The special chip, the LT1937 is super efficient and keeps the power flowing smoothly. This ensures your LED gets just the right amount of juice […]
Simple LED Constant Current Circuit
Just think like water pipe filling bucket. Normal circuit is like set water pressure voltage and hope the bucket fills good. But with LED this Simple LED Constant Current Circuit is like smart nozzle. It keep water flow current same even if pressure changes a little. This way LED light up nice and live longer. […]
Simple Solar LED Lantern Circuit
Simple Solar LED Lantern Circuit is small setup using sun power to give light with LED. It have solar panel through which the battery charges again to LED lights and some small parts like diode, resistor and transistor. Circuit Working: Parts List: Type Value Quantity Resistors 15Ω 1/2W 1 1.5Ω 1/2W 1 1k 1/4W 2 […]
Simple 220V LED Night Lamp Circuit
This Simple 220V LED Night Lamp Circuit design make night light work straight from home power plug which is usually 220V AC. It does this by using small transformer or special capacitor to drop voltage low so LED lamp can work safe. Circuit Working: Parts List: Type Value Quantity Resistors 10Ω 1W 1 560k 1/2W […]
Simple 220V Lamp Flasher Circuit using IC 555
This Simple 220V Lamp Flasher Circuit uses one special chip IC 555 to make normal bulb blink like party light. The chip make ON/OFF signal. This signal connects to transistor or triac which work like switch for bulb power. When power goes ON and OFF fast then bulb start blinking in fixed speed. But be […]