I want to complement the Adafruit team on the
instructions you provide for the Eagle PCB package. I have worked since
1976 in the Electronics industry engineering and managing CPU and other
computer integrated circuit designs. While not an Eagle expert I have used, purchased many layout tools for professional use. Your step by step instructions are well thought out and complete. In particular, your approach is much better than the trend toward a Youtube video.
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.