Using the motion sensors in your Android smartphone to control the movement of your ActivityBot via the Bluetooth. You will need to mount a Bluetooth module on your bot. The example & video demonstration uses Parallax's Easy Bluetooth module.
Download my Android App, MyActivityBot, & install onto your Android smartphone.
Load this C code into your ActivityBot's EEPROM.
Switch ON your ActivityBot (switch 2) & press the Bluetooth button on the App & select your Bluetooth module that is mounted on your ActivityBot.
Point your smartphone to the floor & press the Power Switch button to start the communication.
Motion: X-axis for Left & Right motion. Y-axis for bot's acceleration (smartphone pointing down => slow/stop, pointing up => fast)