NETduino is an open source electronics platform using the .NET Micro Framework, featuring a 32-bit Cortex-M4 microcontroller with Wi-Fi built-in, including SSL/TLS 1.2 and WPA2 support. The NETduino 3 WiFi operates at 168 MHz, nearly quadrupling code storage and nearly doubling RAM compared to previous models, making it suitable for engineers and hobbyists.Features include: Works with most Arduino shields (some require .NET MF drivers) 6 ADC channels (12-bit) Micro SD storage support up to 2 GB 3 GoBus ports In the bag: NETduino 3 WiFi board Four rubber bumpers 5 cm GoBus cable Technical Details: Operating Temperature: 0° - 70°C Power Input: 7.5-12 VDC or USB powered Power Output: 5 VDC and 3.3 VDC regulated Dimensions: 80.3mm x 53.6mm x 12.3mm (3.2" x 2.1" x 0.5") Weight: 27.0g / 1.0oz For more detailed technical specs, see the STM32F427VI Datasheet and Schematics. For support, replacement parts, and warranty information, visit the NETduino forums.