Adafruit Feather M0 Express for CircuitPython

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

A board with an RP2040 microcontroller and a radio module operating in the 868 MHz frequency band. It has a built-in LiPo charging circuit and a STEMMA QT connector. Adafruit 5712

The board is equipped with ATSAME51 microcontroller (ARM Cortex-M core) with CAN bus and SPI Flash memory, GPIO pins and a connector for connecting the battery with the charging circuit. Adafruit 4759

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

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

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

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

Module with WiFi Espressif ESP32. It offers 8MB Flash, 2MB PSRAM, LiPo charging circuit and RGB LED. It is equipped with a STEMMA QT connector. Adafruit 5438

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

The board with the RP2040 microcontroller equipped with two ARM Cortex-M0+ cores, which work at a frequency of 133 MHz, 256 kB RAM. The board also has 8 MB of QSPI flash memory. The system can be programmed in C/C++ or MicroPython. Adafruit 4884

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

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

The board is equipped with a STM32F405 microcontroller with an ARM Cortex-M4 core and SPI Flash memory, GPIO pins, a connector for connecting a battery with a charging circuit and a STEMMA QT socket. Adafruit 4382

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

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