Magnetic Encoder Pair Kit for Mini Plastic Gearmotors, 12 CPR, 2.7-18V - Pololu 1523

Index: PLL-07179 EAN: 5904422309770

A pair of magnetic quadrature sensors, designed for installation in plastic mini angle motors from Pololu. It consists of a board with the Hall sensor and the plastic impeller with magnets, a set allows you to receive up to 20 impulses per rotation, it operates with a voltage from 2.7 V to 18 V.

Magnetic Encoder Pair Kit for Mini Plastic Gearmotors, 12 CPR, 2.7-18V - Pololu 1523
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Manufacturer: Pololu


A pair of magnetic quadrature sensors, designed for installation in plastic mini angle motors from Pololu. The set consists of two boards with integrated sensors that use the Hall effect and two impellers with magnets. The set allows to obtain a resolution of 12 impulses per revolution, it is powered with the voltage ranging from 2.7 V to 18 V.



The sensors only work witha plastic mini motors from Pololuequippedwith biliteral, extended shaft.

Operating principle of the encoders


  • Supply voltage: from 2.7 V to 18 V
  • Resolution: 12 impulses per revolution *
  • Dimensions: 20 x 16.5 mm
  • Weight: 2.4 g (both together)



    • 2 x board with Hall sensors
    • 2 x impeller with magnets



The size of the main board.

Installation and connection

The board with sensors are designed for direct soldering on the power pins at the rear of the engine. The corresponding alignment of the module is the key to receiving the output signal of the high quality. One of the ways of the board installation, is to solder one end, then the align the module and solder the second pin. It is necessary to avoid prolonged heating of the pins of the engine as it may damage the plastic case.

 The distribution of the pins of the main board.

The mounting holes of the module are simultaneously power pins of the motor, connected to the M1 and M2 pins. OUTA, OUTB pins are the quadrature outputs. Sensor's power supply must be connected between pins VCC and GND. Pins are applied to the board that have a distance of 2.54 mm which provides the connection with, e.g. a breadboard.

When the module is properly soldered, on an extended shaft must be applied the impeller with magnets. The distance between the board and the impeller, doesn't affect the signal quality. 


Oscillogram of the signal from the encoders. 


Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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