Hardware & Devices

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Re: i need help on pic16F84 microcontroller toxcct19-Dec-05 22:56 toxcct 19-Dec-05 22:56  so the problem is ? in fact, you need us to do the job for you or what ? and what's that sucking biography[^] ?! please chage it right now ! TOXCCT >>> GEII power [toxcct][VisualCalc 2.20][VisualCalc 3.0] Re: i need help on pic16F84 microcontroller mlc22006420-Dec-05 4:30 mlc220064 20-Dec-05 4:30  brother i need ideas i am basicly a programmer not a hardwear disgner so thats i want good ideas and i dont know why u are using prohabitaed words plz i am in tention try to solve my problem dont ask me that what u want if u know tell me other wise dont reply i hope u dont mind Re: i need help on pic16F84 microcontroller toxcct20-Dec-05 4:33 toxcct 20-Dec-05 4:33  ... sorry, i won't answer you again, but i think youkeyboard is missing a [.] key... TOXCCT >>> GEII power [toxcct][VisualCalc 2.20][VisualCalc 3.0] Re: i need help on pic16F84 microcontroller mlc22006420-Dec-05 4:44 mlc220064 20-Dec-05 4:44  brother i need salution plz dont say like this Re: i need help on pic16F84 microcontroller vikas amin27-Dec-05 3:43 vikas amin 27-Dec-05 3:43  U made Tox angry (that not nice) Anyway if u need to do such a complex circuit and ur not familiar with Electronics then u need some good help or study for some time. PIC is a good microcontroller u can use it for ur task , u can even use 8051 . sending u some sites pls go through it and find ur details http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=74 http://www.rentron.com/pic.htm http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=2136&secgrp=PicMicro_sg&doctype=DeviceInfo&xdoctype=AppNote&prodprefix=pic http://www.electronic-engineering.ch/microchip/projects/projects.html U can get lots more from Google ( but i recommand to get help of some hardware Engg ) Vikas Amin Embin Technology Bombay vikas.amin@embin.com Screen Recorder mcgann13-Dec-05 6:18 mcgann 13-Dec-05 6:18  Does anyone know of any free screen recorders tryin to build some tutorials for a small project i just completed. Or even if they have software that will do this? Any help is much appreciated Keep it coming Re: Screen Recorder Shebi Jindal14-Dec-05 20:10 Shebi Jindal 14-Dec-05 20:10  Hi dear!!! u can use print-screen button to capture the current screen and then paste it in ms-paint for further editing & use. if u need software here is one for u. Screen Hunter, available at wisdom-soft.com for free. Shebi, Chandigarh Re: Screen Recorder El Corazon15-Dec-05 4:38 El Corazon 15-Dec-05 4:38  gadwin capture is also free, I believe both the above software and this one supports timed captures too, so you can just set it up to capture every 10 seconds to a directory and take which ones you prefer, or snap the shots one at a time which ever you prefer. _________________________ Asu no koto o ieba, tenjo de nezumi ga warau. Talk about things of tomorrow and the mice in the ceiling laugh. (Japanese Proverb) Re: Screen Recorder AntonGogolev25-Dec-05 23:19 AntonGogolev 25-Dec-05 23:19  Wink Re: Screen Recorder fat_boy12-Jan-06 0:42 fat_boy 12-Jan-06 0:42  Get Windows Media Encoder, 6 mb off MS website. Nunc est bibendum ACR30 Smartcard writer. Memory card writing I2C protocol ClaireH13-Dec-05 4:57 ClaireH 13-Dec-05 4:57  I'm writing here out of desperation, I know it's not a general C++ topic but I've been unable to find any smartcard specific forums after a lot of searching. I'm trying to talk to an ACR30 USB smartcard reader via the PC/SC Microsoft Winsmcrd.dll api. The smartcard manufacturer is ACS and they're good for obtaining API manuals etc but the examples provided just won't work. The smartcard model I'm using is a AT24C16, which is listed amongst the compatible cards. This card is a memory card and PC/SC doesn't allow for memory card writing, but ACS have provided methods to do this and written a manual specifically for PC/SC memory card access. for example, the following copied code (except for reader name) returns error code 0x80100066 "The smart card is not responding to a reset" ie no response from the card rv = SCardConnect( hContext, "ACS USB 0", SCARD_SHARE_EXCLUSIVE, SCARD_PROTOCOL_RAW, &hCard, &dwActiveProtocol); if I change the call to the following, I receive a successful response rv = SCardConnect( hContext, "ACS USB 0", SCARD_SHARE_DIRECT, SCARD_PROTOCOL_UNDEFINED, &hCard, &dwActiveProtocol); but because I'm using the different defines I don't know what sort of knock on effect this is having on the remaining api functions I call. Pretty well all of them aren't working as I'd expect. I think this is a common model for smartcard developers, so I was wondering if there's anyone else out there who has worked successfully with this unit and who could give me some guidance. many thanks Re: ACR30 Smartcard writer. Memory card writing I2C protocol progload15-Dec-05 11:21 progload 15-Dec-05 11:21  ClaireH, just from looking at your snippit, It appears your using the api functions for the usbr30.dll and not the WDM. Check this: http://www.txsystems.com/downloads/ACR30U_PCSC_Memory_Card_Access_Reference_Manual(101).pdf[^] And Here: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthn/security/scardcontrol.asp[^] Let me know, if I can help further, progload -- modified at 18:41 Thursday 15th December, 2005 Sorry I forgot this workgroup you may be interested in: http://www.pcscworkgroup.com/[^] progload Graphics Card Question User 84209-Dec-05 7:29 User 8420 9-Dec-05 7:29  PCI Express vs. AGP8X Pros and Cons? Opinions? Sites that compare and contrast? TIA Better to live one day as a lion than a hundred years as a sheep. Re: Graphics Card Question hint_549-Dec-05 9:31 hint_54 9-Dec-05 9:31  Mike [[]]: Mike Mullikin wrote: PCI Express vs. AGP8X PCI-e, absolutely! Why? Many reasons: bandwidth, upgrade capacity, performance, etc, etc, etc… Mike Mullikin wrote: Sites that compare and contrast? Check this out: http://www.tcmagazine.info/articles.php?action=show&showarticle=127 Mike Mullikin wrote: Opinions? Well, my last card (before the one I have) was an old S3 ( ), so I can’t tell you much (by experience) about the AGP cards. But now I have a 7800GTX and believe it: it is worth the price! I play games like F.E.A.R. HL2, Far Cry, Doom 3, Quake 4, and many more, with the specs at the max with no prob!!! Peace [[]] hint_54 Re: Graphics Card Question Dan Neely9-Dec-05 9:47 Dan Neely 9-Dec-05 9:47  PCIe, AGP is a dead interface, new cards are now PCIe only. If you're building a lowend system that you're sure will never be upgraded it doesn't matter much, but for anything where gfx performance does matter if you go with agp now, you'll need a mobo upgrade if you need to upgrade your gfx card as well. There're a handful of boards that support both interfaces but they all did it by kluging an emulation of one of them, with inherently pitiful performance as a result. Re: Graphics Card Question Farhan Noor Qureshi9-Dec-05 12:07 Farhan Noor Qureshi 9-Dec-05 12:07  If you plan to use old mobo, then AGP, else SLI, if you are hardcore gamer or graphics desginer or an enthusiast. Check Toms Hardware and Anand Tech for comparisons. Farhan Noor Qureshi if (this == this) thow this; l Robot? Bob Stanneveld8-Dec-05 2:30 Bob Stanneveld 8-Dec-05 2:30  Hello all! As I'm looking for a new hobby to spend the little time I have, I came across some nifty embedded systems at some mechatronic labs here at school. Being educated as a technical embedded systems programmer, I thought that it would be nice to build some hardware myself. After some thought, I chose a robot as my first undertaking to get into this. Right after I decided this, I found my first problem: where am I going to get all the hardware? Since there are is a lot of crap out there, I must carefully choose my tools. Some of the things I need are: <list> Microcontroller with C++ compiler Servos Pneumatic or Hydraulic cilinders etc.. So my question to my fellow geeks out there: do you know some good stores for me where I can get all of this stuff? Thanks a bunch! Behind every great black man...             ... is the police. - Conspiracy brother Blog[^] Re: l Robot? Jupiter98-Dec-05 9:53 Jupiter9 8-Dec-05 9:53  Mouser electronics or digikey will have the servos. As for microcontroller, depends on how much you want to spend. The PIC's and Motorola HCxx will have the cheapest test/eval boards for development and open source or inexpensive compilers. If your looking for more brute force, you can always get student discounts. I.e. ARM risc processor compilers are around $500 for student discount. -good luck Re: l Robot? Bob Stanneveld8-Dec-05 10:46 Bob Stanneveld 8-Dec-05 10:46  Hello, Thanks for your answer. I'll look more into this micro controller business and see where I can get a decent one that fits into my budget. I still have to see what my budget will be... Behind every great black man...             ... is the police. - Conspiracy brother Blog[^] Re: l Robot? vikas amin27-Dec-05 3:46 vikas amin 27-Dec-05 3:46  If u want microcontroller then u get PIC or a 8051 series . that are the most cheap and reliable But later on u can get the damest MC if u have good budget. But i prefer that u get some Kit and then start ur work ,that will be fine and worth the expense Vikas Amin Embin Technology Bombay vikas.amin@embin.com Re: l Robot? Bob Stanneveld27-Dec-05 6:43 Bob Stanneveld 27-Dec-05 6:43  Hello, Thanks for your information. The 8051 series sounds nice and I have some experiance with them from college. I failed to find a C++ compiler for the board.. I'll probably have to get some decent budget for this undertaking of mine and I assume that it is an almost once-in-a-lifetime purchase, so I better do it good. Behind every great black man...             ... is the police. - Conspiracy brother Blog[^] Re: l Robot? Bob Flynn9-Dec-05 10:17 Bob Flynn 9-Dec-05 10:17  Look at www.botmag.com You should be able to find a lot of suppliers in there. Re: l Robot? Bob Stanneveld11-Dec-05 4:34 Bob Stanneveld 11-Dec-05 4:34  Thanks a bunch! Behind every great black man...             ... is the police. - Conspiracy brother Blog[^] Re: l Robot? yam_rider9-Dec-05 18:54 yam_rider 9-Dec-05 18:54  Try acroname.com or lynxmotion.com They're not the cheapest out there, but very reputable and have most stuff that you're lookin for. We've purchased alot of our robotics components from them. Of course, there are alot more resources, but it just depends on what exactly you're looking for and where you live. Re: l Robot? Bob Stanneveld11-Dec-05 4:35 Bob Stanneveld 11-Dec-05 4:35  Hello, Thanks for your answer. I live in Holland and I'm now making an inventory of what I need and I have to get a budget.. Behind every great black man...             ... is the police. - Conspiracy brother Blog[^]

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