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hzeller / rpi-rgb-led-matrix

Controlling up to three chains of 64x64, 32x32, 16x32 or similar RGB LED displays using Raspberry Pi GPIO
GNU General Public License v2.0
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64x64 ABCDE - black horizontal bar problem #1580

Closed olablt closed 1 year ago

olablt commented 1 year ago

Testing chain with 3 LED panels:

sudo ./clock -f ../fonts/10x20.bdf -d "%H:%M:%S" --led-brightness 50 --led-cols 64 --led-rows 64 --led-chain 3 -y 25 -x 50 --led-slowdown-gpio=4

Result:

Pasted image 20230817154928

I am using passive adapter https://github.com/hzeller/rpi-rgb-led-matrix/tree/master/adapter/passive-3 and modified as per instructions:

https://github.com/hzeller/rpi-rgb-led-matrix/issues/360#issuecomment-321104348 Pasted image 20230816151500

Back of my panels:

Pasted image 20230816155458

What could be the problem?

Feuerflamme commented 1 year ago

i have the same problem

olablt commented 1 year ago

soldered active board, problem gone