Here a simple but efficient CFL inverter circuit, capable of diving a CFL, PL or tube light up to 20 watt. You can use this circuit to power up mobile chargers […]
Simplest SMPS power supply ever - efficient and powerful - from an old CFL
New to power electronics ? Here is your first SMPS project. But a SMPS from an old/dead CFL ? Yes, it's possible, with a little modification, of course the CFL's […]
Setup diagram of an Alfa branded 12 Volt 20 Watt CFL kit
This CFL lighting kit is available from a reputed brand alfa, which is known for it’s circuits in applications of inverter like products. We get a good stable circuit from […]
Emergency Tube light & Blinker Bulb with Fan
The originator of this circuit idea is Mr. Uttam Sadhukha, Howrah. He is a circuit designer, and works for helping hobbyists. This circuit is for 3in1 emergency light. For loadshadings, […]
CFL emergency kit PUSH PULL application 12Volt 18Watt
Push-pull applications makes a more reliable waveform output than that of a flyback converter. Thus it can be used. The below circuit have a push-pull transformer, with two Switching transistors, […]
Readymade emergency light kit setup diagram
Description: This is how a 12 volt 40 watt ready made emergency CFL/TL circuit looks like. This circuit consists of one power transformer, one 2N3055 transistor wit heat sink, […]
Bringing back life to a broken CFL
Today’s, most of us use CFL lamps instead of traditional tungsten bulbs, as CFL’s has more bright light, saves energy about 80%, works on low voltages etc… The main drawback […]
Electronic choke circuit to run broken filament 40Watt tubelights
This simplest electronic choke circuit can be built within 20-30 rupees, it can glow open tubelights too, no need of a new tubelight. Working voltage: 170~300V for 220V tube, 80~140V […]