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Recent content by stefk

  1. S

    USB serial and Ubuntu

    Check the permissions of the /dev/ttyUSB0. Usually the port has owner root and group owner "dialout" for example. You must be member of the group. I'm not pretty sure if in Ubuntu the group owner is "dialout" (in Fedora) but you can check this by your self.
  2. S

    MySQL, PHP & Apache configuration help needed for newbie

    Hi, It is true that the initial version of PHP, included in RH8.0 does not work very well but you can update your packages from RH network and then everithing will be OK. To get working MySQL you should start service (From system menu). RH does not start MySQL by default. That is all you need...
  3. S

    NFS on redhat 7.3's problem (help)

    I use NFS on RH 7.3 and RH 8.0 with no any problems. For administration of shares and mounts I use WEBMIN . I strongly recomend you to use WEBMIN, it saves me a lot of troubles :-)
  4. S

    How do security systems preventing stealing from shops work?

    Hi FANT, Thanks for your information. I suspected something close to method 2) but was not shure how they do that. Finaly... I don't want to steal nothing at all :) :) The goal is to protect stuff from stealing. It will be very helpful for me, If there are links to practical designs. Thanks...
  5. S

    How do security systems preventing stealing from shops work?

    Security control. Does anybody know how work the security systems that prevent stealing from big shop centers? They use passive stickers with LC components, detected at the exits of the shop. It is something similar to transponders , but is absolutely passive. I need to develop something...
  6. S

    Turn Monitor in Standby Mode

    OK , I have found the answer by myself: SendMessage(hwnd, WM_SYSCOMMAND, SC_MONITORPOWER, 1); Maybe it will useful for you.
  7. S

    Turn Monitor in Standby Mode

    Does anyboby know a function to turn OFF monitor , or put it in standby mode under MS Windows (98,XP..)? I need to put such code in my program written in C++ to control monitor like Power Menagment does. Thanks.
  8. S

    Single File size exceed 2GB?

    On Linux you can use files bigger than 2GB with no problems. Use EXT3 file system , this is the default file system for most Linux distributions.
  9. S

    Problem with resetting CPU via external circuit

    In yiur case , when CPU does not starts at all hmmm .. I have just one crazy thought - use some small Microchip MCU like PIC 12C508 , just to controll the reset and power supply of your main processor :-)))
  10. S

    Problem with resetting CPU via external circuit

    In your case , when CPU does not starts at all hmmm .. I have just one crazy thought - use some small Microchip MCU like PIC 12C508 , just to controll the reset and power supply of your main processor :-)))
  11. S

    Problem with resetting CPU via external circuit

    Hi, I have had similar problems using external watchdog circuit. The main of them is that not always internal timers starts correctly?! I have made a simple test cycle in the begining of my programme , where I tested if the internal timers running and if not I stopped refreshing watchdog , to...
  12. S

    Spiral inductor on PCB

    spiral inductor pcb **broken link removed** if you don't want to waste your points
  13. S

    Free C/C++/Fortran IDE

    dev c++ fortran Dev-C++ is an full-featured Integrated Development Environment (IDE) for Win32. It uses GCC, Mingw or Cygwin as compiler and libraries set. https://www.bloodshed.net/index.html
  14. S

    development board with PIC 16F87X needed

    Hi, You can use some simulating software for this purposes. There is a free demo version of Proteus , for example, with some limitations but good for starting.
  15. S

    Via/Pad holes in Cadstar?

    create an nc drill output cadstar Hi, I think that is not possible inside Cadstar, but maybe if you use any third party post process tools (Gerber Tools for example) you could solve your problem .

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