Feather STM32F405 Express - development kit with STM32F405 microcontroller

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

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

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

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

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

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 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

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

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

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 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 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

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

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

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