Products Purchase Support Company
Product ME210
intelligent magnetic encoder

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entry level magnetic encoder

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Product ME210
  • Nonvolatile Absolute Position Sensing
  • Incremental Quadrature Outputs with Index
  • I2C or SPI-like Interfaces
  • Programmable Resolution, Direction, Zero Position
  • 10 bit (1024) Resolution
  • RC Servo Control Pulse Generator
Product WC132
Motion Controller for
WW-01 and WW-02

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Product WC132
  • Velocity, rotation rate, position, and angle use real world units; readable any time
  • Six control loops ensure accurate straight-line motion or angle change
Product WW11

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Product WW11
  • Easy Installation
  • Simple Interface
  • Preprinted 32 stripe self-adhesive codewheel included
  • Hardware quadrature decode with 4x multiply
  • Intelligent serial mode


  • Good news and bad news... the bad news is, we've closed our webstore and stopped manufacturing after selling the last of the WheelWatcher WW-11 and WW-12 encoders.  Many thanks to our customers over the last 3 years of direct sales, and the 9 before that of sales through distributors.
    The good news is we've made the WW-11 and WW-12 open hardware and open source, so the designs are not disappearing forever.  Individuals may make some for themselves, and companies may make and sell them to others.
    The repository is here:
  • Arduino example and support library now available for the Unicoder ME-210.  We've also updated the Arduino example and support library for the WheelCommander WC-132.
  • After 9 years as our main distributor, Acroname has decided to change the focus of their business.  Thanks Steve, Suzanne, Tim, and the rest of the Acroname team for all your support.
  • We've released an updated Unicoder ME-210 manual; improvements include clarification of the location of pin 1, byte ordering of multibyte values, and how changing constants takes place immediately.
  • We just posted a new version of the Arduino support library and example code for the WheelCommander.  This new version supports I2C as well as serial, and on a Mega Arduino, supports use of the additional serial ports.
  • We are proud to announce our new  user forums!  We'll maintain the old email lists for a while, but please submit all new  support requests to the new forums.
  • We've posted updated manuals for the WW-11 (rev 1.03), WW-12 (rev 1.02) , and WC-132 (rev 1.14).  The WW-11 and WW-12 manuals now include a number of new diagrams and expanded FAQ sections.  The WC-132 manual now incorporates the FAQ (with additions) previously only available on the website.
  • We've created a new WheelCommander software support page, with access to our new Arduino library, Player/Stage driver, and RoboRealm driver. Enjoy!
  • We have added a small photo gallery showing WW-02s mounted on various Solarbotics gearhead motors, and another showing WW-01s mounted on, of all things, automobile wiper motors.

2004-2017 Noetic Design, Inc. All Rights Reserved. Nubotics, Unicoder, WheelWatcher and WheelCommander are trademarks of Noetic Design, Inc.