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  • Author Author: meera_hussien
  • Date Created: 29 Jan 2019 10:19 PM Date Created
  • Views 2751 views
  • Likes 3 likes
  • Comments 2 comments
  • knob potentiometer
  • product review
  • arduino
Related
Recommended

Product Review : Knob Potentiometer

meera_hussien
meera_hussien
29 Jan 2019
     In the market, there any many types of potentiometer.  For a different application, we use different types of the potentiometer. Today we will look into the preset potentiometer with a knob. I like this the most because you don't need any tools to change the resistance. We make barely use our finger to change its value. Theoretically, the function of this potentiometer is the same as other potentiometers. The image below is the illustration of the potentiometer.
image


image

 

image
Basically, this device comes with three terminals. If you are reading the pin from top. The arrangement is a below
image
And the value of the potentiometer can be known from the side of the potentiometer whereby it will be engraved. The image below shows where we can get the reading.
image
image
The actual value which is being shown is 103. Which means it is 10K ohm. The way to read this is, the first to digit is the value and the last digit is the number of zeros.
In case we cannot figure out the value of the potentiometer through the first method, we can measure it using the multimeter. This can be done by connecting the VCC end to one probe and the and the GND terminal to another probe. Make sure the setting of the multimeter is at ohm measurement. This is another way of getting the potentiometer value.
The image below shows the value of the potentiometer measured with the multimeter.
image
Lastly what we can do is to try to connect this to the Arduino and display its value through the LCD.
The video below shows the demonstration
Some snapshot
image

 

image

 

The video

 

Thank you.


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  • meera_hussien
    meera_hussien over 6 years ago in reply to Jan Cumps

    Dear Jan Cumps,

     

    I just noticed the video which I embed does not show up.

     

    Will try to uplad it again.

     

    Thank you.

     

    Regards,

    Hussien

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  • Jan Cumps
    Jan Cumps over 6 years ago

    The video does not show for me.

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