The SpringRC SM-3317SR Small Continuous Rotation Servo is like a gearbox motor with the convenience of a servo. They rotate continuously and can be attached to some wheels to get your robot rolling. These are smaller than most continuous rotation servos and weigh only 19g. They come with a universal JR type connector.
Continuous rotation servos don't work like regular servos because they don't have a stop position. When controlling these servos, the signal pulse determines the rotation speed instead of the angle. These servos can be used with the standard Arduino Servo library.
A bag of servo horns and mounting hardware is included.
|Bearings||Double ball bearing|
|Gears||1 metal + 4 plastic|
|Rotation||Continuous 360 degrees|
|Speed at 4.8V||68 RPM|
|Torque at 4.8V||1.4 kg-cm (16.48 oz-in)|
|Speed at 6V||86 RPM|
|Torque at 6V||1.7 kg-cm (23.65 oz-in)|
|Power Supply and Consumption|