Lots of microcontrollers these days have USB ports on them, to program or debug, act like a keyboard or disk drive, or simply send data between a computer and your firmware. But did you know that you can also add a USB Host port? That means that your microcontroller project can have a keyboard or mouse or disk drive plugged into it - which opens up a huge ecosystem of common off-the-shelf devices that you can now integrate. The Adafruit USB Host FeatherWing makes it easy to add USB Host support, especially now that