HACKED! : Using an HDD Motor as a Rotary Encoder!
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Date: 2020-09-05
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Comments and reviews: 9
Phino
Well. I don't really think that is very useful as a rotary encoder, since you have to spin it quickly to induce enough voltage and then you have to make it incremenet/decrement very slowly if you wanna be able to precisely control anything.
I guess not having steps is kinda cool, but I would have used a BLDC motor with hall effect sensors in it or something so you can also spin it slowly without it just ignoring the rotation. But in that case you might as well use an optical rotary encoder with no steps like the clarostat 600-128 for example and maybe add a metal knob with a fair bit of mass to give it some inertia.
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Well. I don't really think that is very useful as a rotary encoder, since you have to spin it quickly to induce enough voltage and then you have to make it incremenet/decrement very slowly if you wanna be able to precisely control anything.
I guess not having steps is kinda cool, but I would have used a BLDC motor with hall effect sensors in it or something so you can also spin it slowly without it just ignoring the rotation. But in that case you might as well use an optical rotary encoder with no steps like the clarostat 600-128 for example and maybe add a metal knob with a fair bit of mass to give it some inertia.
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Joe
The V-level dependance on speed of rotation is a main problem even with a squaring amps. You will shurely loose some of encrements if apply this as positioning encoder. Look at price of normal optical encoder. It is cheap, precise and perfect. Just use motor as motor.
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The V-level dependance on speed of rotation is a main problem even with a squaring amps. You will shurely loose some of encrements if apply this as positioning encoder. Look at price of normal optical encoder. It is cheap, precise and perfect. Just use motor as motor.
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Kenneth
SHEEESH. WONT A NEMA17 STEPPER ALSO WORK?
Funny watching a NEMA17 FIRING LEDS without a battery too.
I guess much work is left to me.
A spring-loaded spool, a NEMA17.
A CLOSED LOOP SPOOLED CABLE/CHAIN, AND A NEMA17.
A HANDWHEEL AND H-BRIDGE.
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SHEEESH. WONT A NEMA17 STEPPER ALSO WORK?
Funny watching a NEMA17 FIRING LEDS without a battery too.
I guess much work is left to me.
A spring-loaded spool, a NEMA17.
A CLOSED LOOP SPOOLED CABLE/CHAIN, AND A NEMA17.
A HANDWHEEL AND H-BRIDGE.
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Billy
I'm wondering: you are spinning the wheel quite fast and still the counted number needs more than one rotation to increase / decrease. This looks like the detection of the HIGH-LOW-HIGHtransitions work unreliable
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I'm wondering: you are spinning the wheel quite fast and still the counted number needs more than one rotation to increase / decrease. This looks like the detection of the HIGH-LOW-HIGHtransitions work unreliable
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Christian
We can increase the resolution by a factor of 3 by using interrupt on each of the 3 inputs.
The global position counter is incremented/decremented by each interrupt.
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We can increase the resolution by a factor of 3 by using interrupt on each of the 3 inputs.
The global position counter is incremented/decremented by each interrupt.
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markinsydney
Mate, YouTube is full of clever people coming up with clever ideas, based on previous clever ideas. Yours is magnificent. And really well explained too.
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Mate, YouTube is full of clever people coming up with clever ideas, based on previous clever ideas. Yours is magnificent. And really well explained too.
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jeff
How do I apply this to a powered motors. Like a robot or a trolley you can push direction and it will power it automatically or reverse.
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How do I apply this to a powered motors. Like a robot or a trolley you can push direction and it will power it automatically or reverse.
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Jim
Great video! I've always wondered, can the arm control mechanism be used to change the angle of a mirror to produce light images?
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Great video! I've always wondered, can the arm control mechanism be used to change the angle of a mirror to produce light images?
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Man
This guys speaks really good English. Once he learns how to speak dummy, Ill be able to understand what hes taking about.
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This guys speaks really good English. Once he learns how to speak dummy, Ill be able to understand what hes taking about.
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