Picaxe 28x1 caterpillar bot picaxe bot130 the b bot130 caterpillar bot b from b revolution b is an amazing robot that wriggles along just like a caterpillar it uses eight servos to generate life like movement and is controlled by a b picaxe 28x1 b microcontroller br br br br the robot can wriggle over obstacles and two tilt sensors detect when the robot has fallen over so it can then attempt to right itself br br br br the b infrared upgrade b add on pack allows con