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Optical Encoder Pair Kit for Micro Metal Gearmotors

This Optical Encoder Pair Kit for Micro Metal Gearmotors is designed for fitting to the rear of Polulu micro metal gearmotors with extended back shafts. You also get two pairs of toothed wheels in different dimensions, so you can choose your resolution.
€7.25
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Optical Encoder Pair Kit for Micro Metal Gearmotors: 12 or 20 counts per revolution

Your pair of quadrature encoders fit perfectly on the rear of micro metal gearmotors with extended back shafts. You have two pairs of toothed wheels, so to modify the encoder resolution, all you need to do is select either two 3-tooth wheels (12 counts per revolution) or two 5-tooth wheels (20 counts per revolution). Of course, the set also includes two encoder boards, to be soldered behind each motor.

Optical encoders 2590: Fitting precautions

The trickiest part when installing your pair of encoders is undoubtedly soldering your encoder board correctly to the motor, aligning it as accurately as possible so the motor’s back shaft protrudes through the hole in the middle of the board. The signal will be all the better for it, as the toothed wheel is going to be fixed to this protruding shaft, ideally with a gap of 0.5 mm between the wheel and the encoder. It will be possible to connect your encoder at right angles to various components: a PCB, connector, or a series of individual wires. This is an operation best carried out by an experienced electronics technician – especially since decoding the information obtained from the optical encoders also requires a bit of practice!

Note: The two encoders supplied operate from 5 V DC. There is also a 3.3 V version, with a consumption of 24 mA.

Technical specifications of the Optical Encoders for Micro Metal Gearmotors

  • 2 × 3-tooth wheels: 12 counts / revolution
  • 2 × 5-tooth wheels: 20 counts / revolution
  • 2 encoder boards
  • Reflective photointerrupter: Sharp GP2S60 (compact)
  • Supply: 5 V dc
  • Consumption: 12 mA
  • Weight: 1 g by encoder
  • Dimensions of the encoder: width at bottom 11.6 mm; width at top 6.5 mm; height 9.6 mm

Resources for Optical Encoders for Micro Metal Gearmotors

Below you will find some documents that will help you get started more rapidly:

Diagram for Optical Encoders for Micro Metal Gearmotors

Diagram for Optical Encoders for Micro Metal Gearmotors

Technical data for the Sharp GP2S60 compact reflective photointerrupter

Technical data for the Sharp GP2S60 compact reflective photointerrupter

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