Adafruit Feather M0 RFM69HCW with 433 MHz radio module

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

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

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

Adafruit HUZZAH32 is a development board with a built-in WiFi ESP32 module. Processor frequency: 240 MHz, the module has a built-in system for charging Li-Pol batteries. The plate has soldered goldpin connectors (female extension). Adafruit 3619

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

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 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

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 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

This compact ESP8266-based development board is ideal for IoT projects requiring 802.11 b/g/n Wi-Fi connectivity. It features a built-in CP2104 USB-to-UART converter with auto-reset, 4MB of Flash memory, and 9 GPIO pins with I2C and SPI support. The board also includes a LiPo battery header, a 100mA charger, and pre-soldered connectors for quick prototyping. Adafruit 3213

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

This compact IoT board features a dual-core 240 MHz processor, 2.4 GHz WiFi, and Bluetooth LE. The w.FL antenna connector allows for an external antenna, increasing range and stability. The board offers 8 MB of Flash, 512 KB of SRAM, native USB with HID and MIDI support, and a built-in LiPo charger with a MAX17048 battery monitor. It also includes a STEMMA QT connector, a programmable NeoPixel, and full compatibility with the Feather ecosystem. The Adafruit 5885

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

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

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

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