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5x Dc Dc Step Up Boost Converter Module 3v 3.3v 3.7v To 5v Voltage Regulator For Arduino Raspberry Pi 3 18650 Breadboard - Integrated Circuits - AliExpress
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RPi 3b doesn't boot from sd card. Without sd card, both ethernet light up, even with sd card inserted too. ACT led wont light up. 3.3v rail works. : r/RASPBERRY_PI_PROJECTS
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