У вашего броузера проблема в совместимости с HTML5
This is my first YouTube video on Transformer Less Led Driver
please like share and comment
if any doubt regarding the circuit
if you want to know the value components how I calculated then comment I will make the video on the calculations.
Required Components
1uf\230v capacitor
100 ohm resistor
1 M ohm resistor
470uf capacitor
IN 4007 diodes
DOT MATRIX PCB
7824 Regulator ic
Warning :- please don't touch any components while testing the circuit