Adafruit Feather nRF52 Bluefruit LE nRF52832 ADA_eInk / ePaper This track set comes with

This track set comes with black sprockets and 22T tracks

The above schematic shows the additional components the carrier board incorporates to make the LSM6DS33 and LIS3MDL easier to use

It smoothly over the 3-12V range

Need an extremely accurate time reference to maximize the efficiency of your IoT network of 5G devices

Adafruit Feather nRF52 Bluefruit LE nRF52832 ADA_eInk / ePaper This track set comes withThe Adafruit Feather nRF52 Bluefruit is another easy to use all in one Bluetooth Low Energy board, with a native Bluetooth chip, the nRF52832! It's our take on an 'all in one' Arduino compatible + Bluetooth Low Energy with built in USB and battery charging. We have other boards in the Feather family, check them out here. This chip has twice the flash, SRAM and performance of the earlier nRF51 based Bluefruit modules. Best of all, it has Arduino IDE