32Bit ARM SAMD21 Development Board
The SAMD21 M0 stands for the powerful UNO, 32-bit extended platform. Powered by Atmel’s samd21 controller, this board uses a 32-bit ARM Cortex M0 core. Both Zero and M0 are compatible. The mcu motherboard expands the family by offering higher performance, enabling opportunities for various device projects and serving as an educational tool for practicing 32-bit application development. Its applications range from intelligent networking devices, durable technology, high-tech automation, to the zero-application scope of crazy robots.
There is another small PCB design for this development board, please check below information:

The SAMD21 M0-Mini represents a powerful 32-bit extension of the UNO platform, but in a small form factor similar to Micro or Nano.
This board utilizes Atmel MCU with a 32-bit ARM Cortex® M0 core. It is compatible with both Zero and M0. The SAMD21 M0-Mini board expands the series by offering higher performance, providing a wide range of project opportunities for devices and serving as an educational tool for learning 32-bit application development.
M0 applications range from smart IoT devices, wearable technology, high-tech automation to cutting-edge robotics. This board uses Atmel MCU with a 32-bit ARM Cortex® M0+ core. One of its most important features is Atmel’s Embedded Debugger (EDBG), which provides a complete debugging interface without the need for additional hardware, significantly improving the ease of software debugging. The EDBG also supports a virtual COM port that can be used for device and bootloader programming. *Pin solder joint issue.
What’s the Order MOQ?
As seen online, MOQ is 100pcs. Looking for more other development boards can be viewed here. They are compatible with arduino, raspberry pi , micro bit, stm32, cyprees, nxp, microchip, atmel.


















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