ItsyBitsy M4 Express - ATSAMD51 microcontroller board

At the Feather M0\'s heart is an ATSAMD21G18 ARM Cortex M0 processor, clocked at 48 MHz and at 3.3V logic. 256K FLASH, 32K RAM, built in USB and battery charging. Adafruit 2772

The board is equipped with the ATSAMD51J19 microcontroller with ARM Cortex-M4 core and SPI Flash memory, GPIO pins, connector for connecting the battery with the charging circuit. Adafruit 3857

Development kit with ATSAMD51J20 microcontroller with ARM Cortex M4F core. It is clocked at 120 MHz, has 1 MB of Flash and 256 KB of SRAM. There are 6 SERCOM interfaces on the board. SparkFun DEV-14713

The board is equipped with ATSAMD21 microcontroller with ARM Cortex-M0 core. It has connectors and dimensions compatible with the Arduino Uno Rev3. HW-819

Development board with SAMD21G18 microcontroller. It offers operating frequency up to 48 MHz, 256kB FLASH memory and 32kB SRAM.

A small development kit with a SAMD21 ARM Cortex M0 + microcontroller. There are 14 GPIO connectors on the board, including 11 digital and analog pins, 10 PWM, DAC, I2C, UART, SPI, SWD. Compatible with Arduino. Seeed Studio 102010328

Adafruit Feather M0 WiFi with uFL - ATSAMD21 + ATWINC1500 is a development board with a 32-bit ATSAMD21G18 microcontroller based on Cortex-M0 core. The board also has an ATWINC1500 module that provides WiFi connectivity. Adafruit 3061

Development kit with ATSAMD21E microcontroller with ARM Cortex M0+ core. The chip can be clocked at 48 MHz, has a built-in 256 KB of Flash memory and 32 KB of SRAM. The module has a Qwiic connector. SparkFun DEV-15423

Development kit based on ATSAMD51 with WiFi and BLE 5.0. It is equipped with a 2.4-inch LCD screen, IMU (LIS3DHTR), microphone, buzzer, microSD card slot, light sensor and infrared transmitter (IR 940nm). Seeed Studio 102991299

Board with SAMD21 microcontroller with CortexM0 + core (48 MHz, 256 KB Flash, 32 KB RAM). Equipped with WiFi and BT module (based on ESP32) and IMU LSM6DS3 unit. Ideal for applications in the IoT area. Module with headers. Arduino ABX00032

Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500 is a development board with a 32-bit ATSAMD21G18 microcontroller based on Cortex-M0 core. The board also has an ATWINC1500 module that provides WiFi connectivity. Adafruit 3010

Development board with SAMD21 microcontroller (ARM Cortex® M0+), 22 I/O lines, 12 PWM channels, micro-USB. The module has a built-in SD connector with dedicated SPI (SPI1) interfaces that allow you to play music files. Arduino MKR Zero ABX00012

Development kit with ATSAMD21G18 microcontroller and USB connector. It provides two Qwiic connectors and a programmable WS2812 LED. Perfect solution for people who want to quickly and easily connect a Qwiic device to a computer. SparkFun SPX-24639 

Development kit with SAMD21G18A microcontroller with ARM Cortex M0+ core and LoRa RFM95W radio communication module. SparkFun WRL-15836

LoRaWan and LongFi network monitor. It allows you to specify the number of hotspots to extend the actual network coverage. Seeed Studio 114992777

Evaluation board with ATSAMD21E18 microcontroller (Cortex M0 +, 48 MHz, 256 KB Flash and 32 KB RAM). Equipped with a STEMMA QT connector. Adafruit 4600