How Encoders Monitor Position - Physics (Position Activity)

Encoders are like Fitbits for motors. Just like you can't keep track of how many steps you walk in a day, motors can’t monitor how far they turn. Depending on the encoder, they can monitor how many rotations, what direction it is turning, and what angle exactly the motor has rotated.
Incremental encoders track the number of rotations of a devices.
Quadrature encoders can determine directions in addition to the number of rotations traveled.
Absolute encoders determine a more accurate position of a device.
Robotics Motor video: • Muscles - Robot Motors...
How to Build Encoders: • How to Build an Encode...
How to Program Encoders: • Programming Encoders -...
Analog to digital converter videos: • Analog to Digital Conv...
Position videos: • Position
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References:
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Hambley, Allan R. Electrical Engineering: Principles and Applications. Upper Saddle River, NJ: Prentice Hall, 2002. Print.
Music by Josh Woodward Airplane Mode - www.joshwoodwar...

[@smartereveryday]

Excellent video!

[@DrawCuriosity]

This is hands down the best explanation for encoders I've seen! :)

[@SciJoy]

Aww thanks!

[@robercano]

Nice one! 36 years old, having used hardware with this kind of encoders, never knew how they worked :D Kudos!

[@SciJoy]

Thanks! We wished we had learned more about programming, circuits, and sensors when we were taught physics. So now we are learning and making videos about where we get the numbers in world problems.

[@Soliloquy084]

I finally understand those concentric circles you showed on Slack.

[@SciJoy]

I learned a lot of Illustrator stuff trying to make those. I also figured out I can export Illustrator drawings as SVGs and Tim can use those files to 3D print what I create.

[@hankschannel]

So Good!

[@SciJoy]

Thanks for the compliment and for sharing the video. We really appreciate it.

[@CTVadim]

Oh man, this is great! So used to binary encoding with RF stuff and I'm used to quadrants as ways to indicate the 00, 01, 10, 11 to measure amplitude but it never occurred to me that you could use a similar thing like this. !!

[@EliSpizzichino]

You gave me the idea to use quadrature encoder to attach the magnet, so instead of offsetting the hall sensor I offset the magnets in the wheel. I wonder if this setup would work and the signal is not picked also by the other inline sensor. Also is quite tricky to find the correct alignment

[@ColeslawProd]

When she started talking about incremental encoders, I started screaming "BINARY!" "BINARY!" in my head and when you mentioned it, I was proud of myself. uwu

[@SciJoy]

That's awesome. I was pretty exited when I figured out absolute encoders were just like analog-to-digital converters.

[@ColeslawProd]

Haha, yeah.

[@neilpwr]

Amazing video! Keep it up! :)

[@SciJoy]

Thank you! Glad you liked it. The project should be up on Hackster by next week for anyone who wants to build it.

[@roarznz]

great explanation! thanks

[@SciJoy]

You are welcome. Have fun with whatever you are building.

[@ymautomation3983]

Nice video thanks help

[@Shiniiee]

Amazing explanation. Thanks a lot.
+ subbed.

[@SciJoy]

Thanks!

[@thejavaman53]

wow, you are smart.

[@thevitruvianman9781]

But what exactly are we monitoring the position of

[@sakirdag2976]

good