It’s an Arduino shield that adds a Linux SoC, WiFi, Ethernet, and USB Host to any Arduino board from the Uno, to the Duemilanove and Mega. It is basically identical to the Arduino Yun ...

The Uno R4 WiFi Has Extra Ans Upgraded Features ... It's compatible with many of the sensors, shields, and other electronic components used in Arduino projects, and it also supports the example ...

It also hosts an IR receiver, piezo buzzer, RGB/blue/red LEDs, 2-channel digital port, single-channel analog port, IIC interface, TTL serial port, and a pair of push buttons. The Easy Module Shield is ...

Now for the minutiae: there’s an Arduino Uno with built-in Wi-Fi that receives UDP commands from a phone to raise and lower the clock at the appropriate times. The ‘duino is also controlling ...