Just a fun little Saturday afternoon project. My only comment not covered in the video is that, like all piezo-based projects, you need an amplifier of some sort to bring it up to modular levels. I use a Circuit Abbey Axis module, but any preamp will do. The Music Thing Mikrophonie is probably the best tool for this job, and handy to have in any case.
Make a robot friend with Adafruit’s CRICKIT – A Creative Robotics & Interactive Construction Kit. It’s an add-on to our popular Circuit Playground Express, FEATHER and other platforms to make and program robots with CircuitPython, MakeCode, and Arduino. Start controlling motors, servos, solenoids. You also get signal pins, capacitive touch sensors, a NeoPixel driver and amplified speaker output. It complements & extends your boards so you can still use all the goodies on the microcontroller, now you have a robotics playground as well.
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