FeatherS2 - WiFi module with ESP32-S2

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

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

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

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

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

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

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

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

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

Development kit with nRF52840 microcontroller with ARM Cortex M4F core and BLE communication. Equipped with motion sensors, magnetometer, light, humidity, pressure sensors and a microphone. Adafruit 4516

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

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

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

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

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