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! Be careful, do not put your fingers on the high-voltage part of the circuit, 220 volts can bite there All my videos / @alexanderbivnev Inexpensive power supplies for 12V http://ali.pub/73zah and 5V http://ali.pub/2wvzi from China. Link for donations https://www.donationalerts.com/r/snya... Today I will tell you how to remake power supplies from routers, switches and other pulse power supplies to the required voltage, as well as how to remake a charger to the voltage we need ... Soldering iron like mine: http://ali.pub/jcfz7 Multimeter like mine: http://ali.pub/1m8en 20% cashback from AliExpress https://cashback.epn.bz/?i=522f5 *cashback is a refund of money spent when buying goods from AliExpress