Turn any fixed voltage adapter to variable voltage output (3v - 20v)

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Modify 12V Adapter to Variable Voltage Power Supply
How To Convert Laptop Charger To Variable Power Supply
Turm mobile charger to variable output
Turn your old 12V charger into adjustable 3V to 20V power supply
12V SMPS to Variable Lab Bench Power Supply
Turns any fixed voltage adapter into variable voltage output in the presence of a 431
Adjustable variable power supply
smps to variable output
smps variable power supply
how to make variable power supply using smps
variable smps power supply circuit

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Components :
10k ohm potentiometer x1
DC voltmeter x1
35v 1000uf capacitor x2
35v 47uf capacitor




#diy #variablepowersupply #howto