ARM Cortex‐M0+ MCU with 256KB FLASH and 32KB RAM.

This board is also known as the Seeeduino Cortex M0+.

Two sets of udev rules granting permissions are required, one for the console and another for the boot loader.

Seeed Studio 2886:800b

Arduino LLC 2886:0027

Additional boards manager URL.

Atmel SMART device 0x10010005 found
Device       : ATSAMD21G18A
Chip ID      : 10010005
Version      : v2.0 [Arduino:XYZ] Oct 12 2018 18:20:29
Address      : 8192
Pages        : 3968
Page Size    : 64 bytes
Total Size   : 248KB
Planes       : 1
Lock Regions : 16
Locked       : none
Security     : false
Boot Flash   : true
BOD          : true
BOR          : true
Arduino      : FAST_CHIP_ERASE
Arduino      : FAST_MULTI_PAGE_WRITE
Arduino      : CAN_CHECKSUM_MEMORY_BUFFER

See product brief.

USBC Console

SerialUSB or Serial

Digital D0/D1

Serial1

GROVE Port

Serial2

Product brief

Product page

Arduino setup

MCU product page

MCU data-sheet

MCU errata