Transformerless Power Supply For Led Bulb

What is a transformerless power supply.
Transformerless power supply for led bulb. Referring to the shown led tube light circuit using transformer we see the leds are driven by a general purpose 24 v power supply for illuminating the led bank very brightly. The idea was requested by mr. Transformer less 12v power supply out of led bulb. The following transformerless or capacitive power supply circuit could be used as an led lamp circuit for illuminating minor led circuits safely such as small led bulbs or led string lights.
Its actually a hack and a concept of reuse of scrap. Components used 4 4007 diod 1 0 27uf x type capacitor 1 100 ohm resistor 1 1m resistor. The power supply incorporates standard bridge and capacitor network for the required rectification and filtration of the supply voltage to the leds the arrangement of the. It is cost effective and.
Today i am going to show you how to make a transformerless power supply for led. It is used in low power electronic applications like led bulbs toys and household appliances. Here i have used 0 5w led. I took out the actual components out of bulb and then replaced it with faulted pcb of adapter and i again got a 12 v adapter which i basi.
A very crude led driver circuit can be build using the capacitor dropper method just like we did in our previous transformerless power supply project. Transformerless power supply circuit.