Assembled Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500

The Adafruit Feather M0 WiFi combines an ATSAMD21G18 ARM Cortex M0+ processor with an ATWINC1500 WiFi module for an all-in-one Arduino-compatible development board with built-in USB, battery charging, and 802.11b/g/n connectivity. This version comes fully assembled with headers soldered.

The FCC-certified ATWINC1500 supports WEP, WPA, and WPA2 encryption, SSL/TLS 1.2, and Soft-AP mode. With low power management, the WiFi module draws approximately 12 mA active and can be put to sleep at around 2 mA.

Key Features

• Processor – ATSAMD21G18 ARM Cortex M0+ at 48 MHz, 3.3 V logic
• Memory – 256 KB flash, 32 KB SRAM
• WiFi – ATWINC1500, 802.11b/g/n, WEP/WPA/WPA2, SSL/TLS 1.2
• Soft-AP Mode – Create its own access point and web server
• 20 GPIO Pins – 10 analogue inputs, 1 analogue output (DAC), 8 PWM
• 6 SERCOMs – Hardware Serial, I²C, and SPI (3 available for user)
• Native USB – Built-in USB bootloader and serial debugging
• LiPo Charging – 200 mA charger with status LED, JST connector
• Voltage Regulator – 3.3 V (AP2112K) with 600 mA peak output
• Battery Monitoring – Battery voltage on analogue pin via divider
• Dimensions – 53.65 × 23 × 8 mm (0.1" longer than standard Feathers)
• Weight – 6.1 g

Ideal For

• IoT and connected device projects
• Battery-powered wireless sensors
• MQTT and cloud service integration
• Portable data logging with WiFi upload

Package Contents

• 1× Assembled Adafruit Feather M0 WiFi (headers soldered)

Resources

• Tutorial & Pinout Guide