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 ‘under’ in Undershield comes from this shield being mounted underneath the Arduino, unlike every other shield on the planet. Doing so allows use of a standard 0.100″-spaced prototype PCB ...

In this quick Arduino tutorial ... 8; int Relay = 2; int stateRelay = LOW; int stateButton; int previous = LOW; long time = 0; long debounce = 500; int stayON = 5000; //stay on for 5000 ms void setup( ...

A new Arduino compatible audio development board ... on a small format breadboard friendly device, and includes audio inputs and audio outputs, a low-noise microphone array, integrated test ...

The Arduino development ... projects. The shield also enables users to adjust graphics according to device orientation or audio commands, and even use computer vision as input.