A closeup photo of the black PCB with a black GND wire soldered to the micro USB GND pad, and a red 5V wire soldered to a diode.
https://cdn.masto.host/ledssocial/media_attachments/files/112/310/531/158/780/712/original/b5ed60a8a5349994.png
I've had this 6x6x6 L3D Cube for years. I finally decided it was time to dust if off and replace the built-in controller with a #PixelBlaze by @wizard!
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