I hack for many years, and I also touched innovative industrial products. I like educational stuff.
Many projects on www.didel.com/News.html
Small production for local schools and friends
Xbot is an equipped robot base (motors, whiskers) controlled by any micro with 6 wires. A powerfull C library LibX handles also the optional sensors Xplus includes an AVR328 an is controlled by I2C . X+Go has 3 micro and many sensors, also I2C.