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Using the QuinLED-Dig-Uno PCB with WLED – Inspect My Gadgets

QuinLED-Dig-Quad Wiring Guide - quinled.info

Arduino clone woks only with USB - NOT with external power - Arduino

QuinLED-Dig-Quad Wiring Guide - quinled.info

Understanding Arduino UNO Hardware Design - Technical Articles

Ungo 5200 Wiring Diagram
![[SOLVED] Is it safe to use a common ground when it makes the Uno turn on?](https://i2.wp.com/i1130.photobucket.com/albums/m534/Clonkex/diagram2.jpg~original)
[SOLVED] Is it safe to use a common ground when it makes the Uno turn on?

QuinLED-Dig-Uno Pinout&Wiring guide - quinled.info

QuinLED-Dig-Quad Wiring Guide - quinled.info