Wheel Encoder Photoelectric Encoder Speed Sensor
2 Port for Raspberry Pi
 
                      IR Wheel Encoder module  2 Port  w/ 2 wheel 
                                    & 4 x 20cm male to male  cable 

Purpose:
Widely used in motor speed detection, pulse counting, position limit and so on.
Module Features:
1. the use of imported groove coupler sensor
2. the slot width 5mm.
3. the output state indicator lamp output high, output low lights.
4. with cover, high output; unobstructed, output low.
5. the comparator output signal clean waveform is good, driving ability, than 15mA.
6. Operating Voltage 3.3V-5V
7. the output format: Digital switching output (0 and 1)
8. a fixed bolt holes for easy installation
9. small plates PCB size: 3.2cm x 1.4cm
10. using a wide voltage LM393 comparator


 Module for use:

(1) module slot unobstructed, the receiver tube is turned on,

 the module DO output low, cover when, DO output high.

(2) DO module can be connected to the relay, consisting limit switches and other functions,

    can also be connected with the active buzzer module, composed of alarm.
           

 

  

(1) GPIO wheel Encoder

2 Port Encoder 


1 Port Encoder 

  

 

Python WheelEncoder.py   DEMO

Python WheelEncoder.py   DEMO
Sudo python WheelEncoder.py  17  3  23 
                             
 17  GPIO for Encoder    3  Rotation  
  23  Motor connect to GPIO 23

Full Support by our Pi_Scratch software can be very easy control by Scratch

Pi_Scratch detail    Scratch driver software 


Scratch control demo

Command “23” + “MOTORDIS” “17”+ “S” + “3” 
  17  GPIO for Encoder    3  Rotation   
  23  Motor connect to GPIO 23

 

(2) i2c 23017 GPIO wheel Encoder

 

i2c wheel encoder python  I2Wheel.py demo

Sudo python I2Wheel.py  21 A  2  17 5

  21 = Address of the I2C 23017
  A = Bank A
  2 = Bit 2 / pin 2 (1 - 8)
  17 = GPIO Pin 17 , 18 for motor control through

    our L293D Motor control board

  2 = Rotate 2 times.

 

Scratch control demo

Command format
 
I2MOTORDIS[Address][Bank][Encoder Pin]M[Motor Pin]R[Rotations]
 
I2MOTORDIS21A2M17R2

1. Address = 20 - 27, Address for the I2C  
2. DeviceBank = A or B ( Bank for the encoder ) 
3. Encoder Pin = 1 - 8 ( Pin number for the encoder )
4. Motor Pin = GPIO Pin number for the Motor   
 For example our Motor Board use GPIO 17 & 18  
 control 2 Motor forward & backward
5.  Rotations = How many rotations you want the Motor to do 
 before it stops.  minimum input 0.2

 

Demo Python program

WheelEncoder.py    I2Wheel.py    User Manual


  
  

Package Content

1x Pi 2 Port Wheel Encoder Sensor

4x 20cm male to male cable  

1x manual 



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