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Adafruit NeoTrellis M4

Adafruit NeoTrellis M4

Adafruitโ€™s NeoTrellis has a nifty microcontroller at its heart, but youโ€™re going to get one because of what itโ€™s powering: A reprogrammable light-up keypad. Running through Adafruitโ€™s always-excellent tutorials will get you to load up a drum machine, or put sound effects at your fingertips, one per button. The NeoTrellis has a headset jack, microphone […]