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rpi-rgb-led-matrix
Controlling up to three chains of 64x64, 32x32, 16x32 or similar RGB LED displays using Raspberry Pi GPIO
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
No, that would have been easier and I think that includes a level shifter. I just followed the wiring diagram from https://github.com/hzeller/rpi-rgb-led-matrix/blob/master/wiring.md
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