Robotics and motor control
20 CPR quadrature feedback for closed-loop motor speed and position control, 2.7–18 V supply.
Engineering inference
Pololu
Pololu Magnetic Encoder Kit 20 CPR (20D)
Pololu #3499 magnetic quadrature encoder pair kit for 20D mm metal gearmotors with extended back shafts: two dual-channel Hall sensor boards + two 10-pole magnetic discs, 20 counts per motor-shaft revolution, 2.7–18 V supply, A/B outputs with 10 kΩ pull-ups, 20 × 16.5 mm, six 0.1″-pitch pads.
3499Development boardPrice$9.95www.pololu.com · in stock
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Facts about the complete product. Unknown values remain open design questions.
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Mobile robot drive trains
Mounts on the back shaft of 20D mm metal gearmotors — the drive motors of small wheeled robots — for wheel odometry and speed control.
Engineering inferenceNo-load speed, rated performance and stall limits describe different operating points. A stall specification is not a continuous operating rating.
FAQ
Pololu Magnetic Encoder Kit 20 CPR questions
What voltage powers the Pololu Magnetic Encoder Kit 20 CPR?
Supply range 2.7–18 V.
How much does the Pololu Magnetic Encoder Kit 20 CPR cost?
From $9.95 at www.pololu.com. Prices are observed unit prices before tax and shipping.
What are the Pololu Magnetic Encoder Kit 20 CPR dimensions?
20 × 16.5 × 6 mm. A STEP model is available for enclosure fit checks.
Where does this Pololu Magnetic Encoder Kit 20 CPR data come from?
Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.