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Optical encoder set for Pololu micro motors - 5V version - 2 pcs - Pololu 2590

Index: PLL-01879

A pair of optical quadrature sensors, designed for installation in micro motors from Pololu. It consists of a board with the sensor and the plastic impeller kit, it allows you to receive up to 20 impulses per rotation. This version works with a voltage of 5 V.

€8.12
€6.60 tax excl.

In stock, shipping 24 hours!
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Manufacturer: Pololu

Description

A pair of optical quadrature sensors, designed for installation in micro motors from Pololu from the micro series with bilateral shaft. The set consists of two boards with integrated optical sensors and impeller with five or three blades mounted on the front-end motor shaft is. The sensor allows to obtain a resolution of 12 or 20 pulses per revolution, depending on the selected number of blades.

 

 

The sensors only work with the Pololu micro motors equipped with bilateral shaft series: HP, MP and LP. They are not cooperating with a series of HPCB.

 

The operating principle of the encoders

Specification

  • Supply voltage: 5 V
  • Current consumption: 12 mA
  • Resolution:
    • 3 blades: 12 impulses per revolution of the engine*
    • 5 blades: 20 impulses per revolution of the engine*
  • Dimensions: 9.6 x 11.6 mm
  • Weight: 0.7 g
    • Includes:
      • 2 x board with sensors
      • 2 x impeller with 3 blades 
      • 2 x impeller with 5 blades

 

* The given resolution is the number of impulses per revolution of the engine. To count the impulses per revolution of the output shaft (wheel), multiply the specified number by the selected position. For example, for engine with the 30:1 gearing with the mounted five blades, the resolution will be: 20 * 30 = 600 pulses per revolution of the output shaft with gear.

 

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 mounting holes of the module are simultaneously power pins of the motor, connected to the M1 and M2 pins. OUT1, OUT2 pins are the quadrature outputs. Sensor's power supply of 5 Volts must be connected between pins VCC and GND. Pins are applied to the board that have a distance of 2 mm which provides the connection with a suitable multicore tape.

 

When the module is properly soldered, on an extended shaft must be applied an impeller with selected numbers of blades. Item must be put on in such a way that the gap between the sensors and the blades was approximately 0.5 mm. One of the ways of equal installation is the use of washers with a thickness of about 0.5 mm, for example, business cards or a few sheets of paper. The best method is to use the oscilloscope to view the output signal.

  

Oscillograms in the 5 V version. At the left blade, too far from the sensor, at the right, too close.

 

 

Oscillogram for 5 V version. The optimum distance between blades and sensor.

 

 

  

Oscillograms in the 5V version. At the left blade, very far from the sensor, at the right blade, extremely close.

Version 5 V and 3.3 V

In our offer, available is also the version that works with voltages of 3.3 V. The modules differs in configuration elements powering the IR LED and the current consumption. 5 V board consumes about 24 mA, version 3.3 V - 12 mA.

 

Same day shipping

Posting the payment for the order on our account on a business day up to 10 AM means sending the goods on the same day!

The time of payment depends on the ELIXIR's hours session of the sender's bank and the recipient of the transfer. It may take up to 2-4 working days.

Free delivery for orders exceeding 300 PLN!

Only for prepaid orders shipped to Poland.

Terms of delivery outside of Poland

GLS - zone 1

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

  • Delivery time: 2-4 days
  • Delivery cost: 35 PLN
  • Insurance: 5000 PLN
GLS - zone 2

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

  • Delivery time: 2-5 days
  • Delivery cost: 50 PLN
  • Insurance: 5000 PLN
Kurier GLS - zone 3

Finland, Greece, Ireland, Sweden, Cyprus, Malta, Spain

  • Delivery time: 2-7 days
  • Delivery cost: 80 PLN
  • Insurance: 5000 PLN

Terms of delivery in Poland

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Poczta Polska
  • Delivery time: 1-3 days
  • Payment in advance: od 9,90 PLN
  • Cash on delivery: 17,90 PLN
  • Insurance: 1000 PLN
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Kurier GLS
  • Delivery time: 1-2 days
  • Payment in advance: od 14,90 PLN
  • Cash on delivery: 22,90 PLN
  • Insurance: 6000 PLN
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Paczkomaty 24/7
  • Delivery time: 1-3 days
  • Payment in advance: od 12,90 PLN
  • Over 8000 parcel lockers
  • Insurance: 200 PLN
  • Free delivery of orders over 300 PLN does not apply to parcels addressed outside of Poland.
  • The delivery period is counted in working days from the date of dispatch of the order.

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