Rotary encoder with gear tooth sensor

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06 Nov 2019 17:08 #149734 by Dinuka_Shehan
Can we use gear tooth sensor/s to make a rotary/quadrature rotary encoder?
For A and B phases.
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06 Nov 2019 18:54 #149744 by Todd Zuercher

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08 Nov 2019 17:10 #149930 by Dinuka_Shehan
How about the wiring

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08 Nov 2019 18:09 #149933 by Todd Zuercher
you'll need some wire.

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09 Nov 2019 00:24 #149951 by Dinuka_Shehan
No need to add resistors to output pin to 5V as pull up resistor?
Or direct wiring without any components?

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09 Nov 2019 01:51 #149957 by tommylight
Depends on what you are wiring it to: some parallel ports have pullups, most do not, so you would need one. Also some BOB's do have some do not.
Measure the input pin to GND, if it has 3.3V or 5V, you do not need anything.

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09 Nov 2019 13:56 #149982 by Dinuka_Shehan


This kind of wiring not required for 5v chinese breakout board?
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09 Nov 2019 14:05 #149983 by Todd Zuercher
Just remember reading these (or any encoder) will be limited to speeds with pulse widths wider than your base-thread.

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