Questions tagged [rotary-encoder]
An electro-mechanical device for detecting angular position and/or motion.
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ATTiny88 missing pulses - maybe
I have been given to understand the ATTiny88 is very similar to the Arduino Uno / ATMega328 MCU. There does not seem to be a tag for the ATTiny88, so that is why I chose the tags I did. I do not ...
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Change Interrupts on the ATTiny 88
I am working on a project that requires a number of I/O pins for various purposes. I chose the ATTiny88 because it has plenty of GPIO pins, and is relatively inexpensive.
Here is the updated code per ...
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Rotary encoder weird values
I am trying to understand this rotary encoder I have, but it makes no sense to me.
I am using this rotary encoder:
https://www.amazon.com/gp/product/B07DM2YMT4/
CYT1100 aka CY110 aka EC11
I am using ...
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I want a Rotary Encoder to make 10 steps at once, but my code isn't working. What am I doing wrong?
I'm using a rotary encoder on my Arduino Micro, that is supposed to do single steps or ten steps at once, depending on which position a switch is in.
The Rotary: https://www.reichelt.de/...
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Setup Due counter
How do I setup a Due to count rising edges on a pin automatically without having to waste time on an ISR?
I have some wheel encoders, the simplist implementation is direction less where you only count ...
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Multi turn potentiometer are a pain should I use a incremental encoder instead?
I built a robotic arm, the problem is I want to rotate the base more than once in order to complete a job, so I figured out I could use multi turn potentiometer.
The problem I am facing is the ...
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Unable to get readings for "Motor with Encoder"
I've posted to the DFRobot forum, who makes the FIT0186 motors, but no one seems to be replying there. So, excuse the copy pasting. It's probably an issue with the motor/encoder, but perhaps it has ...
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Artefacts on display when adding seemingly unrelated code
I have this simple program, where I am implementing a menu structure on an OLED display and a rotary encoder.
The code works functionally as intended, however when I add more menu items, then I get ...
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Arduino DUE wheel encoder
I have an Arduino due, I am trying to keep track of ticks on two wheel encoders, polling in an infinite loop results in terrible performance. Have any suggestions?
It looks like the due might have an ...
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Click counter using SparkFun Qwiic Twist
I wrote the script below in order to count the number of times that I press the SparkFun Qwiic Twist. But when I press the button, I get series of running numbers on the Serial Monitor and not a ...
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unexpected behaviour of encoder with increasing rpm
I am using a DC motor with encoder, and I am trying to calculate how many pulses are recorded in every one second interval. (note that the power source is of 12V for the motor)
Circuit and code:
int ...
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Basic doubt regarding encoders with Arduino
I created a program that measures the pulses set out by the encoder (part of the dc motor with encoder inbuilt), and uses the ppr value (pulses per rotation) to calculate the rotations per minute (rpm)...
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I'm making a trim wheel using a rotary encoder for flight simulation. Should I have the Joystick library use button presses or make it an axis?
Title says the majority of it. I'm looking to make a trim wheel for flight sim using a rotary encoder, the Joystick library and an Arduino Leonardo. I wasn't sure if it would be better to make it a ...
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BLDC geared motor with encoder - How to wire the encoder? (6 wires)
I am quite a newbie to Arduino and currently stuck with an encoder.
I have a BLDC geared motor with encoder, all I want to do is to get values from the encoder.
There are 6 wires: out A, out B, out Z, ...
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Using a Encoder Feedback to control a 360 degree servo
I pieced together a sketch to control a servo that turns an encoder. Eventually I plan to build this up to a DMX input, so I have the input range from 0 - 255.
Basically, it's supposed to ask you to ...
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How to put together an HKT30 optical rotary encoder?
I'm working on a project involving stepper motors. It is important for this project to track the position of these motors, so I decided to buy an optical rotary encoder, specifically an HKT30(HKT3005-...
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Most precise way to measure linear distance travelled by a wheel
Suppose a bot with wheels is traveling in a a straight line, and we want to measure this linear distance traversed by it as accurately as possible.
One of the ways is to use an optical encoder to ...
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How do I control a conveyor to start and stop in same location using optical rotary encoder
I am a complete novice at arduino. I just want to know if this is possible before I start investing in components. I need to start and stop a chain drive conveyor {can't slip} powered by a 12 volt ...
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TFT menu system sometimes doesn't refresh the screen properly
I have a project in which I control a display using an Arduino Due microcontroller.
The user can navigate on the TFT display (RA8875 driver ic) with a rotary enconder/pushbutton.
The display shows a ...
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Read encoder output by using an optocoupler
I have a 512 pulses encoder with four wires: +5V, ChannelA, ChannelB, GND and I'm using it as feedback for my motor position (max 80 RPM) on Arduino UNO. Everything works fine, but I need also to ...
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Saving a value with a click
I have a rotary encoder and 2 buttons to a. Store the encoder value b. Reset the encoder value to 0. The reset buttons work fine the issue is with the set/store button. Where the value changes without ...
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Help with code not working
I built a button box, everything is wired up and all of the push buttons work using the code below, but for some reason my rotary encoders are not working, well 3 out of the 4 are not working. Is ...
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Different Counter Reading on Serial Monitor Vs .96" OLED I2C
I've cobbled some code together from reading multiple sources on the web. Makeatronics in particular to help me get this rotary encoder code together (shout out to them). I'm pretty close to the end,...
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Is it possible to get which pin generated interrupt?
I wrote some code that handles rotary encoder using an interrupt, but I would like to get which pin generated the interrupt, so I'll be able to handle many interrupts in a single method.
Something ...
user67439
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Problem with interrupts and 4x encoders on Nano 33 BLE
I have a Pololu 4x encoder and am trying to write some code to make it work on my Nano 33 BLE. (Interestingly enough, the issue preventing some pre-existing libraries from working for me is the same ...
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Regarding Geared motor encoders
I wrote a simple code to count the number of pulses when the motor runs.
The code just counts the number of interrupts from the encoder, but the output is very weird.
Even when the motor is not ...
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Using digital rotary encoders for HID input using the Joystick library
I have been working on a small switch panel for flight sims, but I wanted to use the CYT1100 Digital Rotary encoders to move instruments in-game. I have the code set up to press a certain joystick ...
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Will an Arduino Uno be able to read 3x incremental encoders?
Encoders are quadrature 600ppr encoders with X2 counting. Therefore 1200 counts per revolution for each encoder. Is there an edge rate limit? I currently have one encoder hooked up using code with ...
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real-time reading of a quadrature encoder at full resolution with only one interrupt on ATmega328
I want to read a quadrature rotary encoders at full resolution with only one interrupt on Arduino Nano (ATmega328). So I found out that we can use XOR to reach a full resolution:
Where pin 3 ...
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KY-040 rotary encoder skipping steps
Yesterday I asked a question about de-bouncing this rotary encoder and Jsotola suggested that I should use a method like This to detect the previous state and then do the counting. using that method ...
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counting revolution of incremental encoder
I'm doing a project which requires me to use an faulhaber encoder,and the one i have is a 2channel 16lines per revolution.
I haven't worked with encoders before and based on what i found the lines per ...
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Rotary Encoder gives "wrong" patterns?
I am trying to learn how to use a Rotary Encoder together with an LCD display where I can use the encoder to choose Letters that will be printed in the LCD.
This is the kind of result I should be ...
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Best approaches to reading a high-count quadrature encoder?
I have a 24v servo motor coupled to a 2,000 segment optical encoder that runs on 5v.
That's 2,000 "ticks" per revolution at it's base resolution. (Full quad reading allows 8,000 ticks per revolution, ...
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Undocumented industrial servo with 8-wire encoder: how to read this encoder?
I have scavenged an industrial servo with its attached ballscrew linear actuator from an old large format scanner, and I am trying to figure out how to make a 'servo drive' aka 'servo driver' aka '...
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Forward kinematics of a differential drive robot
I've been braking my head over this for the past few days and can't make it work.. So, I have a small robot with a rotary encoder on each wheel and i want to track its position (in x and y) on a flat ...
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How do you determine Lead Screw position using Absolute Encoder?
I need to control the position of a lead Screw Stepper motor using EMS22A Absolute Encoder? I've seen James Bruton do this in his video. can anyone help me?
James Bruton Video: https://www.youtube....
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read with Arduino SSI encoder signal
I'm stuck in my project, I try to read an absolute encoders angular position with my Arduino.
I used and cabled a differential line receiver and driver between Arduino and the encoder, like explained ...
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Rotary encoder using interrupt
This is my first time working with a rotary encoder and interrupts. I am using a Pro Micro which has interrupt pins at pin0 and pin1. The code below works as expected.
My question: do I need to use ...
user19216
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High speed rotary encoder with Arduino MEGA
I'm trying to develop length measuring system and I'm using a industrial rotary encoder as the sensor.
A have decided to use an Arduino external interrupt for connect the encoder. But, Encoder will ...
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Unexplainable int behavior in encoder/LED project
I am trying to use a rotary encoder to cycle through the brightest versions of R, G & B. And it works! Red goes to blue just fine. Then G happens. For some reason, the int for green goes ...
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Encoder coupled with motor shaft.Encoder is giving larger redings than expected
I am a rookie and i dont have much experience on arduino. please help me.
I intend to build a robot that will drive on a straight path even on nonuniform surfaces like the ones we see in agricultural ...
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How to add numbers to a position when controlling a seven-segment display
I'm recently having a hard time with my Arduino project. I'm trying to control a seven-segment display (it has a microcontroller on it) with an encoder, and I'm trying so that everytime I rotate the ...
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How to sample incoming 600khz pin and divide it by 4 and generate low frequency signal at output pin of arduino
I am trying to divide a incoming high frequency signal 600kHz by 4 and output wave at arduino MEGA2560 digital pin.
The input to arduino comes from incremental Encoder which is connected to motor ...
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More than 3 SPI devices read by a single arduino
I've been working on a project that involves SSI Rotary Encoders from CUI. They are being read through the SPI interface, and I am bit-shifting appropriately to account for the differences between SSI ...
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How can I get the count of pulses of two encoders on the serial monitor?
I have two encoders; I connected them to pin 2 and 3 and I want to count the pulses of them to make two DC motors to work until it reaches a specified number of pulses, than stop working. I have ...
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Will a simple RC filter work with my mechanical rotary encoder, or do I need a Schmitt trigger?
I bought some incremental rotary encoders online https://www.bourns.com/docs/Product-Datasheets/PEC12R.pdf
The spec sheet for those suggests a filter circuit for the outputs of the encoder that ...
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Reading a rotary encoder using digital pins of Mega 2560 directly using port registers?
I'm trying to write an interrupt service routine for an Arduino Mega 2560 to decode a quadrature rotary encoder. I've got an ISR (Interrupt Service Routine) that responds to the falling edge of ...
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Can't you easily use "quadrature" incremental rotary encoders at 2X or 4X their number of "stops"?
I bought a 12-step "quadrature" incremental rotary encoder as an input device for a project I'm working on.
When I wrote the code to track "ticks" of rotation, I made it respond to any change in the ...
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Encoder code using interrupts design question
I have an Arduino Mega 2560, an Omron Optical encoder with an Index (360 steps), a 60 led NeoPixel ring (no Clk wire) and another Arduino Uno.
Here is my question, I have some code written that works ...
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Calculation error with Optical Encoder
I have corrected my code for reading the optical encoder index but I am now getting a different calculation error. At the index the encoder reset's to zero but now my readouts are as follows:
Index ...
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