I’ve built an animated mask. It can move its eyes back and forth, and open and close its mouth. Everything is stuck together using duct tape and steel wire. It is controlled by an app on an Android phone, through a cheap Bluetooth module.
The electronic sheep is a plastic sheep fitted with a rgb-led inside. It can show colors in various patterns, and the electronics also supports adding a servo motor for moving the head. I will describe the works and making of the electronics and code. This is a good beginners project for using an Atmel microcontroller.