Tic
Simple motor tics are typically sudden, brief, meaningless movements that usually involve only one group of muscles, such as eye blinking, head jerking, or shoulder shrugging. Motor tics can be of an endless variety and may include such movements as hand clapping, neck stretching, mouth movements, head, arm or leg jerks, and facial grimacing.
BugE
The Advanced DC drive motor that comes with the Power Kit offered through EV parts on the BugE website is a series-wound DC motor This is one of the three most popular motors used for electric vehicles. The DC motor is known for its torque but falls short in those areas where hills are abundant.
There are two main types of DC motors, brushed and brushless.