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2
votes
1answer
55 views

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 ...
0
votes
3answers
143 views

What exactly is a microcontroller?

Can an optical mouse sensor chip (System On Chip) which has a digital signal processor, Serial I/O, and a set of registers be considered as a Micro-controller?
6
votes
2answers
309 views

Is a computer mouse considered an embedded system? [closed]

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?
1
vote
1answer
1k views

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 ...
0
votes
2answers
501 views

How to go about making a keyboard with arduino as the controller [closed]

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 ...
2
votes
1answer
208 views

Optical Mouse Sensor Wiring

I'm trying to hack an optical mouse sensor: PAW3204DB. Here is the datasheet. It has a voltage regulator, and I have no idea how to wire this to my arduino. I looked at a different hack for an optical ...
2
votes
1answer
222 views

Optiflow based Odometry speed sensing

Am planning to build a odometry speed sensor based on optiflow to measure the speed of the conveyor. I am using ADNS-5020-E from a old mouse of mine and managed to get the X and Y coordinates by ...
1
vote
2answers
108 views

How to send data from external device to OS with rs232 and fake it as a mouse

I have a project that i need to send some data with an RS232 to USB cable from external Msp430 launchpad to the computer and fake it as a mouse. Is this possible without learning USB protocols of the ...
-1
votes
1answer
90 views

Kensington trackball button

I'm looking for replacement button for Kensingtons "Orbit Trackball with Scroll Ring". I'm hoping to find at least something similar. Here is how the original button looks like: Button dimensions ...
-3
votes
1answer
257 views

Bluetooth protocol question [closed]

It is my intention to make my own bluetooth mouse. What is the protocol like? For starts I won't be making my own hardware but will be using an emulator. What emulator do you suggest I use, and is ...
10
votes
1answer
357 views

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 ...
0
votes
1answer
109 views

Keyboard and mouse chips to buy

i need to buy a keyboard and mouse chips(every thing in mouse and keyboard not made of plastic ) and i want to know what`s the prices of each and how to buy it and thnx in advance.
1
vote
2answers
166 views

Displacement Sensor [closed]

I am working on a project where I need to measure lengt of the objects floating on a surface. To perform that kind of sensing I am currently focusing on mouse sensors. I first tried ADNS 6010; ...
2
votes
4answers
2k views

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. ...
22
votes
1answer
3k views

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?
1
vote
2answers
2k views

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 ...
5
votes
6answers
194 views

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 ...
5
votes
2answers
671 views

How does an optical mouse detect movement?

Can anyone explain it ?