Feather’s standardised footprint and connector pinout creates an ecosystem of stackable FeatherWing shields covering GPS, cellular, OLED display, motor control, relay, and LoRa radio, allowing rapid hardware assembly without soldering custom connectors. ATSAMD21 runs Arduino and CircuitPython firmwares, serving beginners and experts equally. LiPo battery connector with built-in JST connector and charging circuit makes untethered prototypes immediate. ATWINC1500 handles SSL/TLS termination in hardware, freeing the M0 core for application logic while maintaining HTTPS to cloud endpoints. Feather M0 WiFi is the reference design for Adafruit IO cloud projects.
IoT Product
Hardware & Devices
Adafruit Industries
Adafruit Feather M0 WiFi combines an Atmel ATSAMD21 Cortex-M0 processor with an Atmel ATWINC1500 Wi-Fi module on the standardised Feather form factor, compatible with 80+ FeatherWing add-ons.