Meet Phoenard: a programmable controller and dev board that you can use with Arduino to control robots, lights, and other smart gadgets. It has a bunch of sensors, an atmega2560 processor, a full-color 320×240 LCD screen, WiFi & Bluetooth, GPS, and everything you need to get started.
The gadget is battery powered. It has accelerometer, gyrometer, barometer and temperature sensors. Costs $175.