Adafruit Feather nRF52840 Express Shipping:2-4 Weeks firmware can be developed in

firmware can be developed in Arduino and uploaded over a simple serial interface

The Pololu Zumo chassis is a small

and perfboards

3 - 5v and the module draws a nominal18mA of current

so an external pull-up resistor is required to use this pin

Adafruit Feather nRF52840 Express Shipping:2-4 Weeks firmware can be developed inThe Adafruit Feather nRF52840 Express is the new Feather family member with Bluetooth Low Energy and native USB support featuring the nRF52840! It's our take on an 'all in one' Arduino compatible + Bluetooth Low Energy with built in USB plus battery charging. With native USB it's even ready to join the CircuitPython party. We have other boards in the Feather family, check them out here. This chip has twice the flash, and four times the SRAM of its