Posted inCortex-M0 English MicroPython STM32 [EN] How to build MicroPython for SAM-D21. Posted by By jarutex January 30, 2022 After introducing the SAM-D21 microcontroller board as shown in Figure 1 and using the ADC/DAC of this chip that is a 32-bit ARM Cortex-M0+ architecture microcontroller, this time we try to compile and use Python. Figure 1 SAM-D21