➢Step descriptions:
✦Step 1:-Prepare these materials below:
13005 transistor (from cfl circuit), any power transistor will work.
1N4007 diode.
10nf 2KV capacitor, any 2KV capacitor will work.
1K resistor.
12-0-12 step down transformer.
✦Step 2:-Here is the circuit diagram.
✦Step 3:-Connecting the 1K resistor to the Base.
✦Step 4:-Connecting 11 diodes in series.
✦Step 5:-Connect all capacitors as in the circuit diagram.
✦Step 6:-Connect the 3.7v battery and test it.
Product list:
『Step-down transformer』
『11x10nf capacitor』 view more ⇒https://www.utsource.net/itm/p/8689000.html
『11x1N4007 diode』 view more ⇒https://www.utsource.net/itm/p/8035986.html
『1K resistor』 view more ⇒https://www.utsource.net/itm/p/6479527.html
『13005 transistor』 view more ⇒https://www.utsource.net/itm/p/8039008.html
Video on Youtube: