elég szórás Mindenható dc dc converter 5v 12v mint az Trunk könyvtár nyereség
120W Boost Voltage Regulator DC 5V~12V to 12V 10A Step-Up Power Supply Module/Car Converter/Power Adapter/Driver Module
DROK DC-DC Buck Converter 12V/24V to 5V 5A/25W Step-down Voltage Transformer Volt Regulator Power Supply Inverter Module - Walmart.com
Boost Converter 5v Step 12v Module | Dc Step Converter 5v 12v Mini - 5pcs Mini Dc-dc - Aliexpress
LM317 DC-DC Converter 5V 6V 9V 12V 24V Voltage Step Down Module Linear Regulator
USB Step Up Converter DC 5V to 12V
Amazon.com: 12v to 5v Volt Converter, DROK DC 8-35V to 5V 3A 15W Voltage Regulator Board Power Supply Module, 9V 12V 24V Waterproof Car Volt Step Down Buck Converter : Electronics
DC/DC Power Converter 12V DC Input to 5V DC Output at 1 Amp Wire to USB - NCD Store
5V to 12V Step Up DC-DC Converter - Electronics-Lab.com
Mini Buck 12V to 5V DC-DC converter – ElectroMage Shop
Amazon.com: 12V to 5V DC Converter Car Power Voltage, Waterproof DC 6.3-22V 12V Step Down to DC 5V 3A 15W Voltage Regulator Buck Converter Power Supply Step-Down Module Compatible with Vehicle Car
Step Down DC 100V to 5V/12V converter from Hobby electronics on Tindie
DC-DC Isolated Converter Power Supply Module 5W DC DC 12V to 15V/5V/12V 24v to 5V/12V HLK-5D2405/5D1205/5D1212/5D1215/5D2412 - AliExpress