Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [movement]

42 questions
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4 answers

Methods to accurately move an object across a 2-D plane

This is the opposite/complement of my previous question, which concerned measuring the precise position of an object as it is moved/drawn by someone over a short duration. Assuming I use one of @Rocketmagnet's suggested approaches (probably using…
boardbite
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3 answers

Can a DC motor with obstructed movement be damaged?

I am trying to build shades, which should roll up or down, controlled by a DC motor. This motor can only be turned on or off (1/0 to turn it on/off). Also, it should be noted that the microcontroller behind this is a NI-SPEEDY with a daughter board…
jadkik94
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7
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2 answers

smooth a motor movement

i have a stepper motor (controlled by an arduino) that moves some gears and a pulley. the problem is that the pulley jerks a lot: the movement begin and stop too much suddenly. to make the movement more fluid i think i can use a kind of ramp: the…
nkint
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2 answers

Servo Motor Won't Turn Without Push

So, please forgive me for the naiveté I'm most certainly going to exhibit here. I'm mostly a software guy, so this project is a little out of my comfort zone. Nevertheless: Project I have been given a Python script that sends commands to an Arduino…
Patrick Perini
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6
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5 answers

Stepper Motor acceleration profiles for short runs

I've done a fair bit of reading on stepper motors and acceleration. I had to wade through a lot of different strategies with a lot of calculations, including one which called for several candles, and "A maiden of virtue pure" Which while…
darrob
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light system for stairs

I have a stair made of several steps. I want that when I put a foot on a step, the light of the next step is turned on. Each light is placed just under the edge of the step. If I use LEDs as lights, can I build a system with sensors that can be…
Terix
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How to use a sensor in order to detect if a mechanical component has moved?

Specifically, I am trying to detect whether an umbilical boom from fueling a rocket has retracted, and other miscellaneous tasks (vents raised / retracted). I have done some research and have found ways to determine the displacement of an object -…
Tim
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2 answers

Ideas for precisely moving a small object in 2 dimensions?

We would like to precisely control the position of a small object in a X-Y plane. The object we are moving contains a LED diode and some optics. The restrictions are: The total area is 9mm x 6mm We'd like to position the object within ±0.1 mm…
user2078515
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How can I measure which finger is moving in a glove?

I am considering building a pair of gloves that make a chorded keyboard. In order to measure whether or not a finger should be triggered, I intend to leverage the fact that as you curl your fingers inside of a glove, the top stretches to accommodate…
Zee
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3
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2 answers

Circuit movement detector

I'm looking for some simple schematic for movement detection. I want to use it with a small hobby project of my own to detect if someone is moving the box, doesn't matter the direction. I'm looking for simple and (preferencially) cheap. I'm not…
rnunes
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How can I measure small scale movement with an electronic component?

I'm working on a project which involves measuring the distance between two pins which are nominally 3-5 cm apart. These pins can move up to 1cm in either direction. I need to take a measurement of the distance between the pins which is accurate to…
littlecharva
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2 answers

How to move an object through 30 degree rotation?

I want to make an electronic bird feeder in which the feeder floor tips 30 degree down to exhaust the used seeds. I know how to work with PIC micro controllers to do the timing and enabling an output, my problem is: How to make the bird feeder floor…
user3649714
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How do I manipulate a large number of moving platforms?

I might not be in the best place to ask this and feel free to tell me to move my question to another Stack Exchange. I am trying to build a device that will allow me to control at least a couple hundred raising platforms. The goal of this is to…
user2475269
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How can I detect when football passes through a hula hoop?

How can I measure whether a football passes through a hula hoop? The main challenge is the need for outdoor use, which presents difficulties due to the presence of ambient light (sunlight). It might be possible to install a sensor module on top of…
FPSX V
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Is it true that copying is the most CPU intensive operation?

A mech engineer said that copying puts more load on the microprocessor than "other" operations (e.g. moving data or creating the same amount of new data). Is this true? Can you elaborate? I understand that the assembly instructions are different but…
Niklas Rosencrantz
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