I’ve written some software that uses Pixy to control the Parallax Propeller ActivityBot to move to an object of a defined color signature. One program uses an Android tablet Bluetooth Joystick to control the bot and turn Pixy control on and off. That code is located at post 5 of the following link:
[[http://forums.parallax.com/showthread.php/156970-Bluetooth-App-to-control-ActivityBot]]
I have another version that does not use the BT joystick at post 27 of:
[[http://forums.parallax.com/showthread.php/155501-Pixy-for-Propeller?p=1287755#post1287755]]
Both programs use interface method 3 (ADC x value).
Tom