RGB Matrix 32x64 problem

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lefsky
 
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RGB Matrix 32x64 problem

Post by lefsky »

I purchased two 32 x 64 LED matrices, an RPi-2 and Pi Hat to drive them, as well as the recommended 10A power source. I soldered and assembled the kit with the assistance of a friend who has a degree in electrical engineering, so I am pretty sure the assembly is correct (he evaluated the soldering, etc.). Now, when I run the test programs, I get a pattern like the one indicated in the attached photo, no matter which matrix is plugged in.

Could this be a power supply issue (e.g. insufficient amps, despite what it is rated for)?
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pburgess
 
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Re: RGB Matrix 32x64 problem

Post by pburgess »

I don't think it's a hardware problem...looks like an incorrect 'chain length' in the code. The 64x32 matrix is essentially two 32x32 matrices chained together; chain length should be 2 for a single 64x32 -- or 4 if you're using both 64x32 matrices together. Add '-c 2' to the command line when running the demo program.

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