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I live in a country where popular microcontrollers aren't easily available. The only ones i could find that were arm based were STM32F4 Discovery and STM32VL Discovery. The latter one is cheaper so that is preferable.
So the question is, am i looking in the right direction ? Are these microcontrollers specifically for embedded programming ? (I am a beginner) It would be really helpful if someone could set me in the right direction.
Thanks!
It is quite difficult to give you a precise reply to this question as the choice between one microcontroller or another only depends on the application you want to address (and you don't give more information on your objectives in the question).
If it is only for an educational purpose, the STM32 discovery boards are IMO a very good choice because they are cheap and you don't need any other piece of hardware (like a JTAG programmer) to start playing with it (you only need an external power source).
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I am trying to find or create something in VB.Net that will detect an open/closed switch. I am currently looking for the proper I/O board that will communicate with Windows 7 via USB or RS-232. I have been searching but everything leads me to Raspberry Pi or the like. I want to create a simple GUI in vb.net that will give me Red/Green when I magnet switch is open/closed. If anyone reading this has examples of what I am looking for and/or can point me in the right direction, I would really really appreciate it. Thanks
National instruments NI6501 or 6008. NI SDK called NIDAQ is free and comes bundled with vb.net and c# examples.
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I am looking to build a voice based interactive automation system. To make the experience more realistic I am looking for 3D avatars that could read a given text(response) in real time.
The closest I found something on the net is Ultra HAL for windows (https://www.youtube.com/watch?v=hEtgfXbpCqI). I need something similar, expressive, programmable through an API and preferable for a MAC or Linux. TTS is not that mandatory.
Thanks for the help.
Sadly there is nothing comparable to the (15 year old) Haptek avatar technology (the underlying tech Ultra HAL uses). Even on the Windows platform. We use Haptek for Cassandra for all the reasons you want such a package. To my knowledge nothing else supports such high quality, 3D, emotively & verbally autonomous characters. Note: In-game 3D avatars are all carefully scripted and acted scenes and not actually interactive.
I would like to extend the question/request to the Android platform. Many developers could make great use of that. Cassandra certainly would.
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For a school project our client wants us to create a ZigBee network either using the Texas instruments cc2531 or a XBee. We've got a CC2531 with some sensors from Cleode. In their program, named cleobee, everything works fine. The connection is automatically made, and we don't have to do anything else than turn on the sensors for the connection to be made.
Now we want to use the CC2531 to connect with the sensors without using the Cleode program. Is there a simple way to set up a network? Is there an API we can use? We've found zTool in which we can monitor the usage of the cc2531, but we don't really know what else we can do with it.
Also, we would like to connect an Olimex mod-zigbee-pir sensor with it. Can we do this in the same manner as with the other sensors?
Is there any software available that let's us do this?
If you donot want to use the Cleode program than you can implement the same thing yourself by making changes in the API provided by TI.
Ti has provided all the APIs and you can refer it in the Documents that comes along with Z-stack.
Also sample and Generic programs for zigbee networks are provided which you can modify it according to your requirement.
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I'm looking for a good open source multi-touch API to use in a project we might get. So far I've found PyMT, but haven't really seen any comments on the maturity of that product, so any input in that regard would be much appreciated.
I'd also like some other suggestions on API's that might be of interest, since googling have only given so much, and as with PyMT, it is quite difficult finding opinions on the frameworks out there.
Many thanks.
Have you looked at IDEO and touchkit?
I specially like MT4J, its a multitouch java API, it has good code examples so it's easy to start with it.
http://www.mt4j.org/mediawiki/index.php/Main_Page
Many of these libraries ( if not all) are based on TUIO protocol (an open framework that defines a common protocol and API for tangible multitouch surfaces)
I would recommend you to go to their official page where you will find the libraries and clients based on TUIO protocol for many languages.
I think PyMT is better than MT4J.
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I'm looking to locate a good resource (book or otherwise) on safety critical systems development techniques/methodologies, especially something that will cover both hardware and software . I have a sound working knowledge of C/C++, so even if it is just code on SourceForge etc I would still appreciate a link to it to have a browse.
Thanks.
The podcast Software Engineering Radio has some episodes which talk about e.g. real-time and fault tolerant systems which I found very informative. Those episodes also had good references to books.