Feather M4 CAN Express - development kit with ATSAME51 microcontroller

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

At the Feather M0\'s heart is an ATSAMD21G18 ARM Cortex M0 processor, clocked at 48 MHz and at 3.3V logic, the same one used in the new Arduino Zero. This chip has a whopping 256K of FLASH (8x more than the Atmega328 or 32u4) and 32K of RAM (16x as much). Adafruit 2796

Low-power, 2.4GHz spectrum wireless protocol that you can use with iOS without needing special certification. Supported by all modern smart phones - excellent for use in portable projects that will make use of an iOS or Android phone or tablet; it also is supported in Mac OS X and Windows 8+. Adafruit 2995

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

Bluetooth Low Energy, 2.4GHz spectrum wireless protocol. Excellent for use in portable projects that will make use of an iOS or Android phone or tablet. It also is supported in Mac OS X and Windows 8+. Adafruit 2829

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

Adafruit Feather 32u4 RFM95 is a development board with built-in ATmega32u4 AVR microcontroller (8MHz, 32kB Flash, 2kB RAM) and RFM95W module enabling wireless communication in the 868 MHz or 915 MHz band. The board is compatible with Arduino IDE. Adafruit 3078

Development board with the ATmega32u4 microcontroller and an integrated RFM96W LoRa 433MHz radio module, USB interface, and LiPo battery charging circuit, intended for building long-range wireless communication systems with low power consumption. Adafruit 3079

Development board with the ATmega32u4 microcontroller, integrated RFM69HCW 433MHz radio module, USB interface, and LiPo battery charging circuit, intended for building wireless communication systems with longer range than 2.4GHz networks. Adafruit 3077

Module with ATmega32u4 microcontroller and 900 MHz wireless transceiver. The module can be used for transmission in the ISM 868 MHz band after the appropriate software configuration. The microcontroller is clocked at 8 MHz and works at 3.3 V. Adafruit 3076

Development kit with SAMD21G18 microcontroller with ARM Cortex M0 core and LoRa RFM95 868/915 MHz radio communication module. Adafruit 3178

At the Feather M0\'s heart is an ATSAMD21G18 ARM Cortex M0 processor, clocked at 48 MHz and at 3.3V logic, the same one used in the new Arduino Zero. This chip has a whopping 256K of FLASH (8x more than the Atmega328 or 32u4) and 32K of RAM (16x as much)! This chip comes with built in USB so it has USB-to-Serial program & debug capability built in with no need for an FTDI-like chip. Adafruit 3179

Development board with a 32-bit ATSAMD21G18 microcontroller based on Cortex-M0 core. The module also has an RFM69HCW chip that allows wireless communication in the 433 MHz band. Adafruit 3177

Module with ATSAMD21G18 microcontroller and 900 MHz wireless transceiver. The module can be used for transmission in the ISM 868 MHz band after the appropriate software configuration. The ATSAMD21G18 microcontroller (ARM Cortex-M0) is clocked at 48 MHz and operates at 3.3 V. Adafruit 3176

At the Feather 32u4\'s heart is ATmega32u4 clocked at 8 MHz and at 3.3V logic. This chip has 32K of flash and 2K of RAM, with built in USB so not only does it have a USB-to-Serial program & debug capability built in with no need for an FTDI-like chip, it can also act like a mouse, keyboard, USB MIDI device, etc. Adafruit 2795

Development board with ESP8266 microcontroller with built-in Wi-Fi communication. The system is clocked at 80 MHz and powered by 3.3 V. It includes a Tensillica core and a full Wi-Fi stack. Adafruit 3046