Android-Arduino LED Strip Lights   Connect a multicolor LED strip to your smartphone to make a touch-controlled light show! You can attach the color-changing LEDs to the underside of a coffee table, your bike, or anything else you think needs a bit more color. There are many ways to connect your smartphone to an embedded microcontroller. In this project, you’ll use an Android phone in USB host mode. This way, the Android phone both powers and communicates with the Arduino! Even...