LittleBot gripper modified

Gripper for the LittleBot 3D Printed Arduino Mobile Robot
https://www.kickstarter.com/projects/slantrobotics/littlebot-a-fun-arduino-robot-for-students-and-beg?lang=de
https://www.instructables.com/LittleBot-3D-Printed-Arduino-Mobile-Robot/
modified from the design by Dovito (https://www.thingiverse.com/thing:5780840)

use a mg90 servo