Questions tagged [data]
Data are values of qualitative or quantitative variables, belonging to a set of items
329
questions
1
vote
1
answer
2k
views
Ipod/Iphone/Ipad cable hack
Has anyone hacked an IOS cable and knows what data is going in and out of which wire. Maybe a diagram of an iphone cut cable?
5
votes
5
answers
526
views
modem free high base AM data transfer possible?
not a very experienced EE, but I was thinking about a system for high speed data transfer,
and it is fairly simple conceptually, so I imagine that there must be serious flaws with the method,
because ...
18
votes
7
answers
3k
views
General protocol for data transfer from one system to another?
What is the general protocol to send information from one system to another? For example, let's say we have some information collected from microcontroller over a length of time that we want to send ...
-2
votes
1
answer
118
views
book and document suggestion [closed]
I opened an old RC car controller up with some anticipation. I hoped to control the RC car by computer, by smart phone, embed a camera, send data to computer for processing it and make the RC car ...
11
votes
7
answers
4k
views
Power for POV display
I want to build a small POV display, but how is the power (and if possible a communication line) transmitted to the spinning part?
I've looked at some POV project, but they usually don't explain that ...
5
votes
3
answers
2k
views
Safe Powering Methods - Working with Children
I'm carrying out a research project this year at uni, which will include creating small electronic sensory devices for children (under 7) with autism. Obviously, safety has to be taken very seriously.
...
6
votes
5
answers
9k
views
DSC Keybus Protocol
I'm plan to interface a atmel avr with my alarm system in home but the issue is DSC has a propriatary protocol between the keypad and the base. So has anyone messed with this before or can give me a ...
5
votes
3
answers
6k
views
MCU: saving data directy on flash. What's the advantage?
I know on some MCUs its possible to save data directly on program memory (flash memory). AVRGCC compiler uses "PROGMEM" keyworkd, MPLAB C18 uses a similar one with the same effect.
However, what's the ...
1
vote
4
answers
1k
views
Can a cheap, low bandwidth, long-distance wifi be physically and electronically possible for public use?
Since facebook and all the social media warfare, I have realized that the internet is awesome, but not very scalable to embedded devices: new generation network standards are still expensive to make ...
19
votes
4
answers
14k
views
How could you transfer data over an audio line?
I'd like to pass some data over an audio cable (i.e from audio card to my cellphone) with a short cable.
I'm looking for some ideas for algorithms for achieving this. They of course should include ...
6
votes
2
answers
4k
views
Best method for sending data over a mono audio channel
I'm looking for a way to send binary data over an audio channel on a video/audio transmitter. This will be an add-on feature to my product because it already has an audio interface. I'm hoping to be ...
6
votes
6
answers
7k
views
What kind of options are there for very high bandwidth long distance data links?
I'm considering a future product. A high definition (720p) video transmitter. Ideally a compressed MPEG link would be used but this would still require at least 80 Mbit/s. I'm not looking at a simple ...
11
votes
3
answers
18k
views
Can the Arduino be used to "spy" on a UART connection between two devices?
I have a need to install an Arduino (actually just the IC) into existing hardware to enhance functionality.
What I would like to do is connect the Arduino so that it "spys" on the I/O lines between ...
3
votes
4
answers
379
views
Bit/data stream unknown. How to figure out?
I have taken apart a digital weight scale and on the circuit are two pins labelled 'test'. When connecting this to the soundcard of my PC I can see it is a digital signal (high/lows), but I don't know ...