Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [mouse]

56 questions
28
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1 answer

How does a ball mouse know the direction?

Foreach axis on a mechanical (ball) mouse there is an IR transmitter and receiver pair with a wheel that looks like having only simple slits. How is the direction calculated?
zaf
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13
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4 answers

Does a USB mouse have memory that could be used to store malware?

I worry that this might get flagged as too broad, but here it goes: Lately I've been thinking about the possibility of loading data on peripheral devices. One of the most used peripherals is the mouse. I realize that there are 101 ways to build a…
StackExchangeUser0xff00
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11
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2 answers

Need help finding this IC used in a gaming mouse

I have been trying to find what IC this is for ages. Here is some information on the IC: Found in a wireless gaming mouse (mostly Logitech). It's connected to the mouse buttons/LED (not 100% sure) It's always accompanied by 3 resistors IC marking…
Sharu
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11
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1 answer

Mouse dots-per-inch... how to tell?

I'm creating an embedded application that hosts a USB mouse. I'm trying to make it generic for any USB HID mouse/trackball/whatever. I've discovered that mice report differently... while they mostly all report +-127 relative X/Y coordinates the…
user16719
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6
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2 answers

Is a computer mouse considered an embedded system?

Can a computer mouse (optical) be considered an embedded device? Does it adhere to the definition of an embedded system? Is there any good reference for how a computer mouse is made?
DesirePRG
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6
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How does an optical mouse detect movement?

Can anyone explain it ?
fms
5
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6 answers

how might i make a mouse who's L and R buttons flip depending on what side of the keyboard it's on?

I was thinking trying to make a little prototype of a wireless mouse that was left-handed or right-handed depending on which side of the keyboard it's on. How might I modify a mouse so that the signals from the button clicks cross if they are on…
Aaron Anodide
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4
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1 answer

Sensing an object’s motion using a motion sensor inside the object?

I am considering making a mouse that you can essentially use in the air. It would be wirelessly connected to a computer/laptop, and you could move it through the air to track motion in the mouse. It’s more of like a fun project I just felt like…
tt_16_123
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4
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2 answers

How does a ps2 mouse send data to a computer?

I want to read data from a mouse with the help of Arduino. I want to calculate relative motion between two objects. My questions are 1) Is it possible? 2) How is mouse interfaced with Arduino?
Vivekanand Dhakane
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3
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1 answer

converting STM32F4 discovery USB mouse example to gamepad

I own a stm32f4 discovery board, for which a demonstration project can be downloaded here: http://www.st.com/web/en/catalog/tools/PF257904 This demo consists of software to use the board as a usb hid mouse, using the accelerometer to control the…
user29457
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How to extend detection distance of computer mouse?

I recently learned that modern computer mice take tiny pictures many times a second and compares them to understand in what direction it is heading. And that the little light at the bottom is to create shadows for uniform colored, textured surfaces…
joe
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4 answers

Did anyone build an accelerometer-based mouse?

To save my hands from CTS (Capal Tunnel Syndrome), I want to have a mouse that uses an accelerometer, connected to any limb in the body, to replace the conventional mouse that you move with your hand. In other words, I want a mouse that I can move…
Ram Rachum
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Is there an easy way to test if my PS/2 -> USB adapter is passive?

I own a couple of PS/2 to USB adaptor/converter connectors that look like the following: Is there anyway to test if these adapters are passive without disassembling them (or risking damage by disassembly)? In all likelihood, they are passive as…
Steve Guidi
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USB mouse with a PS/2 adapter for FPGA PS/2 interface

I'm designing a PS/2 mouse interface for BASYS 2 FPGA board. As you might know to communicate with a PS/2 mouse you need a protocol, so if I write my VHDL program for the PS/2 protocol and then connect a USB mouse with a PS/2 adapter will it work? I…
Ege Korkan
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How to go about making a keyboard with arduino as the controller

These are questions I have found that are similar to mine: Arduino as full fledged keyboard controller? This is somewhat similar but it sounds like op is trying to connect an existing keyboard How to build a custom laptop computer with original…
fozbstuios
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