Features:
- On board button and user led
- edge connector
- small brother of WINXI
https://hackaday.io/project/10208-winxi-arduino-zero-pro-m0-stick-atsamd21e18 - crystall free operation
why sam D11 ??
- SOIC14 ...is really easy for solder
- small package
- powerful arm M0 core
- arduino IDE supported
- native USB
- true DAC
Dixi is in store https://www.tindie.com/products/bobricius/dixi-arduino-sam-d11-usb-stick-4/
Recommend use Mattair tech Arduino core and bootloader
https://github.com/mattairtech/ArduinoCore-samd
if you want full featured product or If you want support please buy boards from https://www.mattairtech.com/
what is required to burn in the bootloader, i have raw AT SAMD11D14A chips can i directly program them or is the Atmel ICE required for first program of Bootloader
Thanks