RP2040 USB Host USB-A USB-C Development Board - Adafruit 5723

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)! 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

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

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

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

A modern development board in the Feather format, equipped with a dual-core Raspberry Pi RP2350 Cortex M33 microcontroller clocked at 150 MHz and 8 MB of PSRAM, ideal for advanced IoT projects and Micropython/CircuitPython applications. The board offers a wide range of ports, including an HSTX 22-pin connector, USB-C with bootloader, and STEMMA QT, as well as numerous GPIOs and an integrated LiPo battery charger, combining high performance with convenience of use. Adafruit 6130

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

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

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

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

This development board with a microSD slot is ideal for data logging in measurement and IoT projects. Equipped with USB-C, a Li-Po charger, and a STEMMA QT connector, it\'s ideal for portable devices requiring easy expansion with I2C sensors. A powerful RP2040 microcontroller with 8MB of Flash and a rich GPIO set ensures high performance and a wide range of applications. Adafruit 5980

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

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

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

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

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