Prerequisites Hardware Prerequisites: SAM D21 Xplained Pro Evaluation Kit ATWINC15x0 extension (For more details, refer to ATWINC15x0 user guide) ATWINC3400 extension (For more details, refer to ATWINC3400 user guide) IO1 extension Micro-USB Cable (Micro-A/Micro-B) Software Prerequisites: Atmel Studio 7.0 (For more details, refer to user guide) Wi-Fi IoT Examples (for more details, refer to application notes) Figure . SAM D21 XSTK Board Demo Setup