3- Transformer modification to get more voltage without ferite saturation
all is in the picture !
4- Hack control
Remove zener and sold another one (2v5) on pin 1 (INV). sold a lead at other end and connect it to a potentiometer. sold other sides to 12V out and GND. that'all.
Removing zener :
All is done. it works perfectly for me.
Futur projects :
I'm searching a way to control current limiting.
add an ESP-01 to control Power via wifi and I2C Bus. (very easy).
see you later ! (leperegallet@gmail.com)
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