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stepper control

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(@banjobrad2)
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Joined: 1 year ago
Posts: 14
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@zander Ron, if I have some code that defines the x_pin for a joystick as input, what would be the equivalent pin on a rotary encoder that would accomplish the same input?

Thanks


   
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Ron
 Ron
(@zander)
Father of a miniature Wookie
Joined: 3 years ago
Posts: 6662
 

@banjobrad2 I just ordered some so have no experience, I would look at Bill's (DBWS) video/blog to see.

First computer 1959. Retired from my own computer company 2004.
Hardware - Expert in 1401, and 360, fairly knowledge in PC plus numerous MPU's and MCU's
Major Languages - Machine language, 360 Macro Assembler, Intel Assembler, PL/I and PL1, Pascal, Basic, C plus numerous job control and scripting languages.
Sure you can learn to be a programmer, it will take the same amount of time for me to learn to be a Doctor.


   
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Ron
 Ron
(@zander)
Father of a miniature Wookie
Joined: 3 years ago
Posts: 6662
 

@banjobrad2 I think you mean output, a joystick has no electronic input, it translates human input to electronic output. I am unfamiliar with a joystick but can imagine it has a single terminal for X, an encoder is totally different. Maybe this article will help https://howtomechatronics.com/tutorials/arduino/rotary-encoder-works-use-arduino/

First computer 1959. Retired from my own computer company 2004.
Hardware - Expert in 1401, and 360, fairly knowledge in PC plus numerous MPU's and MCU's
Major Languages - Machine language, 360 Macro Assembler, Intel Assembler, PL/I and PL1, Pascal, Basic, C plus numerous job control and scripting languages.
Sure you can learn to be a programmer, it will take the same amount of time for me to learn to be a Doctor.


   
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(@davee)
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Joined: 3 years ago
Posts: 1608
 

Hi @banjobrad2,

  There is no 'universal' definition of the electrical interface of a joystick, but the most common is that of two potentiometers ... one in X direction and the other in the y direction. The circuit 'reading' each potentiometer position supplies a small voltage which is applied across the track of the pot, and the slider 'picks' off a fraction of the applied voltage, the voltage depending upon the position of the slider. Hence the input software will be measuring a voltage (from each pot).

The rotary converters are also provided with a small voltage, but the output consists of two possible voltage levels ... 0 and the applied voltage. Rotating the encoder knob causes the voltages levels to 'flip' and the resulting pulses can be converted into rotation signals.

These two interfaces are completely different and require differing software.

Best wishes,

Dave


   
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(@e-danil)
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Joined: 3 years ago
Posts: 18
 

To remove all these complications I would suggest you switch to a servo motor because it comes with its own feedback system. because you only need a stepper for precision like 3d printer

 

This post was modified 1 year ago by E.Danil

   
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