Prop-Maker Feather Arduino Self-Testing 🕹️🔧

We love to write little all-in-one self-testing sketches for our hardware, often we ship that as the factory test code which helps folks verify everything is working right 👌. It's particularly helpful for advanced boards with a lot of components like this prop-maker feather which has an accelerometer📏, I2S amplifier🔊, servo⚙️, and neopixel output💡. Here's a quick demo showing all the parts working at once! 🎬📲


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