Questions tagged [wheel]
18 questions
5
votes
1 answer
Vinyl player emulation on Arduino
Say, you have an arduino uno + audio shield, a speaker and a jog-wheel (or mouse scroll-wheel).
And you want to play some audio-file tied to the movement of the wheel, just like you move vinyl disc.
For example, you scroll forward(fast enough) — the…

Anuar Zhumayev
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5
votes
6 answers
How can I avoid twisting wires in a circuit that rotates?
I am working on a project where I used a hollow pipe whose one end has a circuit board so that the wires will go through the pipe to the other end completing the connections. That pipe has to be rotatable, too. Rotation speed will not be too high,…

Vinayak Rastogi
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5
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2 answers
How to electrically brake a brushless motor
I'm sorry if this question is too stupid, unfortunately I have a very low experience with BLDC motors.
I would like to use 4 x 350W, 24VDC brushless motor hubs for my wheeled robot (they are usually used for ATVs or hover boards).
Each motor is…

Marcus Barnet
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2 answers
Most cost-effective way of making an electronic "slot machine" with a hundred wheels?
The closest description for what I'm looking for is an electronic slot machine with a hundred wheels. Each wheel has, say, 8 faces/drawings/symbols and I need to be able to create any of the 8^100 permutations in the most cost effective manner.
The…

Mahmoud Al-Qudsi
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2
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4 answers
Spin two wheels in opposite directions with single DC motor?
I'm using a simple DC motor and the wheels from a small toy car to build a basic ping pong ball launcher.
I've got one of the wheels rotating clockwise, mounted directly on the motor's spindle, and the other wheel is free running (with 40mm distance…

JK01
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3 answers
how to count 2 wheel encoder signal?
I'm looking to a simple solution to keep the position of a robot. It has two DC motor and one wheel encoder for each. The encoder are incremental type.
I need to be able to get the current count of increment from an atmega.
I found some chip like…

jojo l'abricot
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vote
1 answer
Scrolling wheel encoder with button push button action into wheel axis
I am looking for a wheel that you can push into as a button as well as scroll indefinitely in either direction.
Here's the exact part I am talking about. I'm not sure exactly what it is called.
The ultimate goal is to be able to tell a direction…

Andrew Epifano
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vote
2 answers
Count car weels without using visible light (camera/laser etc) and without interaction
For this project we need to count weels of a car (if possible at all), one side only. The scenario is within the following scope:
The car is always passing in a straight line
It is cars only, so all other traffic can be ignored
Road type is…

Michael Beuving
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vote
6 answers
Rotary encoders to ensure 2 wheel robot goes straight!
I have successfully counted the rotary encoders on the wheel of my robot so this is not a problem.
My problem is what to do with this number.
Basically, the bigger problem is that I need my robot to go straight and I want to do it using only two…

Zebs
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PIC18 Robot - Travelling exact distance straight using two wheel encoders problems
(EDIT: Added TMR0 & TMR1 set-up code)
I have a small robot vehicle controlled by a PIC18f4585. It has two wheels (ball bearing on the front) as well as two rotary encoders. The following function is supposed to travel a specified distance in…

chib
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2 answers
Measuring a 2-pin active wheel speed sensor without having it connected to a vehicle
I'm trying to measure/test the square wave output of an active wheel speed sensor from a jeep wrangler for a project I'm working on. I do not have access to the actual vehicle just the sensor itself and so I was using a test rig with the tone ring…

Tanner O
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Battery free TPMS
I am doing a report about wireless TPMS, and I heard about products where the sensors in the valves do not need batteries at all (operate and transmit the data). Is that correct?? have you encountered one?
there are all sort of energy harvesters…

Yair
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Required velocity of each wheel in 3-wheel omni bot
I'm using a 3-wheeled omni bot which can move in any horizontal direction (example: https://www.robotshop.com/en/3wd-48mm-omni-wheel-mobile-robot.html).
Given an object velocity (velocity at which the entire bot should move) and an angle it should…

M-R
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How to count bike wheel Revolution by 3-axis acceleration
I want to use MCU and BMA250E 3-Axis Acceleration for count bike wheel revolution.
and I can read the x-axis datas without vibrate.
and I want to ask how to analysis sine wave datas
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effect of wheel diameter on line following robot
i am making a line following robot. i have the option of selecting 11cm and 4cm wheels with 1000RPM and 3000RPM respectively. I want to know the advantages and disadvantages of the options. Please help.

user420528
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