GAH! powered up this morning to show my daughter, and its failing again...
Well I know where the issue lies now - Ill try to touchup all the solder round the crystal and seee if i can get a permanent fix. Need it to be reliable before I show it off!
That's a shame but as you said at least we know whereabouts the problem is, but yes do that, resolder in inspect crystal pads and tracks.
If it is of any help I've pasted below the PCB track layout for that area. Red is component side copper/tracks, blue is LED cube side copper/tracks:
PCB_8x8x8_LED_Cube_Crystal.png
Im looking fwd to programming it. Could you tell me .. is it possible to give varing degrees of brightness the the LEDS, or is it strictly on/off ?
It is just on and off I'm afraid.
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