How to make 5v,12v 2AMP switch mode power supply

Описание к видео How to make 5v,12v 2AMP switch mode power supply

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this smps convert 5v method

Auxiliary winding turns 13
secondary winding turns13
zener diode 4.7v or 4.2v

caution:-
check voltage and ampere currected to
other divice connected
SMPS PCB checking first time serial connected 220v 25W bulbe.
Just seconds working.input transistor 13003 over heat and any problem change connection primary winding legs (+voltage and collector)

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