VEX Robotics sells erector sets on steroids! These are great robotics kits both kids and adults.
Depending on the kit you have, it contains either 2wire or 3wire servos and motors. The TWR-MECH board can only drive 3wire motors and servos directly. A three wire female to female cable is required, you can order one here:
Specification for the VEX servos can be found here:
The RobotSee servo and servos command create a pulse duration of (0)500us to (255)2500us. The VEX motors and servos only work correctly between 1000us and 2000us.
In RobotSee, simply limit your servo values between 65 and 191.
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