SUCCESS! FemtoBeacon - Arduino bootloader, Atmel SAM R21E

A project log for FemtoBeacon

The smallest wireless IMU - Dime sized, ARM Cortex M0+ with 9-DoF IMU, temperature and altimeter. Supports ZigBee and Mesh networking.

femtoduinofemtoduino 03/18/2016 at 05:510 Comments

Good news! I now have a working Arduino Zero bootloader for the Atmel SAM R21E. Please note: the main XOSC crystal is 12MHz, but the board uses the internal DFLL48 clock to run at 48MHz.