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Replying to @josecastillo

The one frustrating bit is the dot matrix at the top would be inaccessible, but with a second SAM L22 J, you could probably drive that as well (31 LCD pads). Silly to have two ARM MCU’s on one board? Absolutely. Cool? Maybe! ¯\_(ツ)_/¯ https://twitter.com/josecastillo/status/1463663567882829828

(original)