Arduino Metronome

I've got the idea to make an Arduino-based metronome while I was between other projects. It's got a Neopixel ring for flashing the beat (plus a piezo buzzer) and displaying the current BPM, plus a pair of buttons for increasing/decreasing the rate. So, pretty simple - but kind of cool. I still need to figure out an enclosure for it - I'll post another pic once it's done.

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