Feather STM32F405 Express - development kit with STM32F405 microcontroller

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

Board with RP2040 microcontroller and HDMI video connector. Has a built-in LiPo charging circuit and STEMMA QT connector. Allows the use of the Feather module to display data on a monitor. Adafruit 5710

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 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

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

Adafruit Feather 328P is a module with a built-in ATmega 328P AVR microcontroller (8MHz, 32kB Flash, 2kB RAM). The board is compatible with Arduino IDE, has small dimensions and low weight, and the built-in USB connector allows programming and debugging. Adafruit 3458

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 5323

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

Adafruit HUZZAH32 is a development board with a built-in WiFi ESP32 module. Processor frequency: 240 MHz, Li-Pol battery charging system. Adafruit 3405

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

Module with WiFi Espressif ESP32-S2. It integrates a LiPo charging circuit and an RGB diode. It is equipped with a STEMMA QT connector. Adafruit 5000

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 Express - Designed for CircuitPython is a development board with a 32-bit ATSAMD21G18 microcontroller based on the Cortex-M0 core. The board works with CircuitPython, which allows you to program the MicroPython language. Adafruit 3403

Adafruit HUZZAH32 is a development board with a built-in WiFi ESP32 module. Processor frequency: 240 MHz, Li-Pol battery charging system. The board has soldered goldpin connectors. Adafruit 3591

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

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