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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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Powering 94 LEDs (WS2801) directly off the raspberry Pi 3 Zero (success) - Hardware Support - Hyperion-Project Forum
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SunFounder Raspberry Pi 3 Model B+ Starter Kit Project Super Kit for RPi 3B+ 3B 2B B+ A+ Zero Including GPIO Breakout Board Breadboard LCD DC Motor LED RGB Dot Matrix 73
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Pimoroni LED SHIM for Raspberry Pi : ID 3831 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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GPIO-232 Multifunction Expansion Board Raspberry Pi 3 LED Nixie Tube 485 232 UART Keys Multifunction GPIO for Raspberry Pi 4 3B+ - AliExpress
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