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VEX Robotics Motor 393 Integrated Encoder Module, 2-pack No reviews yet Rating: none Availability: In Stock Price: $22.49 VEX VEX Item #: VEX-276-1321 - This encoder provides information on how fast the motor is going, how far it has traveled, and what direction it is moving. This product replaces the plastic cap on the back of a VEX 2-Wire Motor 393 with a quadrature encoder. Install this product and connect it to your Cortex Microcontroller via I2C to receive direct... [more info...]

VEX Robotics Optical Shaft Encoder Kit No reviews yet Rating: none Availability: In Stock Price: $14.99 VEX VEX Item #: VEX-276-2156 - For use with the Vex Programming Kit. With the Quadrature Encoder's two output channels you can measure both the position and direction of rotation of a VEX shaft. This will allow you to calculate the speed of the shaft, as well as the... [more info...]