LBD (Little Black Duck) gear motor and wheel kit from Dagu is a tiny drive system for little robots. Used in the Doodle Bot kit it is also available in a pack of two motors + two wheels. What’s in the box The two servo looking things are the LBD gear motors. These are essentially servos without a limit stop and without the control circuit. ie, they are not servo’s even though they look like it. The giveaway is there are only two wires in the lead for +ve, –ve but no PWM signal wire. ... [More]