Adafruit Feather M0 Express for CircuitPython

Board with RP2040 microcontroller and class D mono audio amplifier based on MAX98357 chip. It has a built-in LIS3DH three-axis accelerometer, an RGB NeoPixel LED, a LiPo charging circuit, and a STEMMA QT connector. Adafruit 5768

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

Module with WiFi and BLE Espressif ESP32-S3 system and LCD TFT display. It integrates a LiPo charging circuit and an RGB diode. It is equipped with a STEMMA QT connector. Adafruit 5483

Development kit with nRF52832 microcontroller with ARM Cortex M4F core. Equipped with 512KB Flash and 64KB SRAM, it can support Bluetooth (BLE) communication. Adafruit 3406

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

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 HUZZAH ESP8266 is a new development board from Adafruit with a built-in WiFi module ESP8266. Processor frequency: 80 MHz, USB-serial TTL CP2104 converter, Li-Pol battery charger. Adafruit 2821

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

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

Module with WiFi and BLE Espressif ESP32-S3. It integrates a LiPo charging circuit and an RGB diode. It is equipped with a STEMMA QT connector. Adafruit 5399

Module with WiFi Espressif ESP32-S2. It integrates the TFT LCD display, SPI Flash memory, LiPo charging circuit and RGB diode. It is equipped with a STEMMA QT connector. Adafruit 5300

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

Module with WiFi Espressif ESP32-S2. It integrates two 3.3 V stabilizers, SPI Flash memory, LiPo charging circuit, light sensor and RGB diode. It is equipped with a STEMMA QT connector. Adafruit 4769

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

A board with an RP2040 microcontroller and a LoRa RF95 module operating in the 868 MHz frequency band. It has a built-in LiPo charging circuit and STEMMA QT connector. Ideal for IoT projects. Adafruit 5714