To Your Basket Ordering Information Part Number: R324-ME-210 Price: $54.95 Weight: 0.10 lbs The ME-210 is a unique sensor that combines the features of absolute and incremental encoders into a small form factor. Features include 1024 positions per revolution, readable absolute angle, incremental quadrature encoder outputs, index pulse output and an RC servo control pulse controllable through the I2C bus.

More Details:

The ME-210 unicoder is a non-contact encoder that utilizes a rare earth magnet carefully mounted above sensing circuitry. Multiple operation modes are available that can be selected including quadrature, sign-magnitude or BLDC motor commutation.

The ME-210 includes a microcontroller that the ME-110 does not have. The controller allows the following:

• Automatic tracking of total distance traveled.
• Automatic tracking of current velocity.
• I2C communication (3.3V and 5.0V tolerant).
• The ability to reprogram settings in a non-volatile manner.

The non-volatile settings that can be adjusted are the operating mode, resolution (10, 9, 8 and 7 bit) and index position. Index position is the 0 degree setpoint for the sensor.

Additionally the ME-210 provides an optional use RC servo control pulse generator. This allows simplified and expandable control of servo motors across an I2C bus.

The ME-210 is recommended to be used with low speed applications only.

Determining if the Unicoder will fit inside a hobby servo motor, one may have to open up the servo case to determine the shape and size of the potentiometer. Many models use a round potentiometer and will not work with the ME-210. Servo motors that have been verified with the sensor are:

• GWS S03N
• GWS S03T
• GWS S03TXF
• GWS S06
• Hitec HS322HD (Housing needs to be flipped around. See Additional Information)

Connections:

Servo motor pulse control signal is output through TP2 on the circuit board.

Dimensions:

All dimensions are in inches and approximate.

Additional Information:

The white housing may need to get flipped around for certain servo motor models. Remove the two Torx screws (T5 size), turn the housing 180 degrees and re-assemble. A 1.4mm flat blade jeweler's screwdriver can be used tighten and loosen the screws if a T5 Torx screw is not available.

Wires are not included but are available for purchase.

Additional application notes, schematics, and information can be found at Nubotics.