DIY Raspberry Pi LED Matrix Display: PiXels Technabob (blog) The project is based around Adafruit's RGB Matrix HAT for the Raspberry Pi , which makes it easy to power and output to daisy chained LED matrices. Tony says a Pi 2 can handle up to 12 32×32 LED matrices at once. Because of how the image is output, the ..

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DIY Raspberry Pi LED Matrix Display: PiXels – Technabob (blog)