Assembled Adafruit Feather M0 WiFi with Stacking Headers: Compact IoT Development Board with ESP8266 Co-Processor
The Assembled Adafruit Feather M0 WiFi with Stacking Headers is a powerful microcontroller board that combines the Atmel ATSAMD21G18 ARM Cortex M0 processor with built-in WiFi connectivity via the ESP8266 co-processor. Designed for IoT, smart devices, and wireless sensor applications, this board is part of the Feather ecosystem, offering a compact form factor with built-in LiPo battery charging support. Pre-soldered stacking headers make it ready for use with any FeatherWing add-ons, enabling rapid prototyping and expansion without soldering. With 256KB Flash, 32KB RAM, and easy-to-use Arduino support, the Feather M0 WiFi is ideal for developers who want both performance and connectivity in a flexible platform.
Key Features:

ATSAMD21G18 ARM Cortex M0+ Processor: 48MHz, 32-bit microcontroller with 256KB Flash and 32KB RAM.
WiFi Connectivity: ESP8266 co-processor handles WiFi networking, controlled over UART/AT commands.
Pre-Soldered Stacking Headers: Ready to connect FeatherWings for easy expansion and prototyping.
Built-In LiPo Battery Support: Includes LiPo charging circuitry for portable and low-power projects.
USB Native Support: Micro USB port for programming and debugging via Arduino IDE.
Lightweight Feather Form Factor: Compact design ideal for IoT and embedded systems.
Feather Ecosystem Compatible: Works seamlessly with over a hundred FeatherWings for sensors, displays, motor drivers, and more.
Flexible Power Options: Can run from USB or LiPo battery with automatic power switching.