WiFi / 802.11 Development Tools Adafruit Feather M0 WiFi - ATSAMD21 + ATWINC1500 ATSAMD21G18 @ 48MHz with 3.3V logic/power 256KB FLASH, 32KB SRAM, No EEPROM 3.3V regulator (AP2112K-3.3) with 600mA peak current output, WiFi can draw 300mA peak during xmit USB native support, comes with USB bootloader and serial port debugging You also get tons of pins - 20 GPIO pins