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pi 3 - Failing to turn on a LED with GPIO Pins (Raspberry Pi 3 B V1.2) - Raspberry Pi Stack Exchange
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Amazon.com: HCDC RPi GPIO Status LED & Terminal Block Breakout Board HAT for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B : Electronics
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Using Swift to control the Raspberry Pi GPIO pins and turn an LED on | by Claudio Carnino | A Swift misadventure | Medium
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