http://dernulleffekt.de/ 2026-04-13T04:14:27+00:00 http://dernulleffekt.de/ http://dernulleffekt.de/lib/tpl/writr/images/favicon.ico text/html 2020-12-30T21:15:24+00:00 Anonymous (anonymous@undisclosed.example.com) http://dernulleffekt.de/doku.php?id=samd21:bootloader&rev=1609359324&do=diff SAMD21 Bootloader ---------- ... with a Raspberry Pi One has to install OpenOCD on a Raspberry Pi (RaspbianBuster): Update and install some tools: $ sudo apt-get update § sudo apt-get install git autoconf libtool make pkg-config libusb-1.0-0 libusb-1.0-0-dev htop text/html 2020-12-29T16:19:33+00:00 Anonymous (anonymous@undisclosed.example.com) http://dernulleffekt.de/doku.php?id=samd21:samd21m0_mini&rev=1609255173&do=diff SAMD21 M0-Mini An other Arduino clone based on the SAMD21G18 chip (ARM Cortex-M0+, 32bit, 48MHz), like the SparkFun SAMD21 Mini Breakout. THis board could be used similar like the Arduino MKR ZERO and the Seeeduino XIAO. All I/O Pins are 3.3V To use the DAC and the PWM follow the manual of the Arduino MKR Zero. A great description and general information about the SAMD21 one could find here: