sűrűsödik Elveszett Repaszta 3.3 v power supply Antipoison Mostanában kávézó
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AC DC 110V 220V to 3.3V 700mA 2.3W Switching Switch Power Supply Buck Converter Regulated Step Down Voltage Regulator Module - AliExpress
DC Converter 0.9V/3.3V to 5V/12V Boost Step up Down 1.8-5V to 3.3V Power Supply | eBay
BREADBOARD 3.3V/5V POWER SUPPLY MODULE - Whadda
Amazon.com: HiLetgo 2pcs Micro USB Power Breakout USB Voltage Regulator DC to DC Power Module Micro USB Power 5V to 1.8V/3.3V/5V/9V/12V : Electronics
PSA-45-033 60W 3.3V 10A AC-DC Switching Power Supply Phihong®
AMS1117 3.3V 5V/3.3V DC Mini USB Power Supply Module