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Written by std_logic_vector on 2024-08-21 at 10:57

This happens when you sit next to @tinyledmatrix on a train to #hackadayberlin2024.

The cube uses 320 1.6mm RGB LEDs on a 2mm grid. All sides are connected by solder joints to connect the LEDs in one continous chain. A sixth PCB sits in the middle of the cube holding the microcontroller and USB-C socket.

Now I have to do some work on the firmware to make it display more interesting patterns...

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Toot

Written by std_logic_vector on 2024-08-21 at 11:03

I didn't assemble the LEDs myself, that was done by JLCPCB. I just populated the controller board and then soldered the 6 PCBs to form the cube.

Next time I would go with 1mm oder even less thickness for the PCB...1.6mm is quite chonky.

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