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Recent content by SAV

  1. S

    EEPROM's PIC question

    hi, I have worked with EEPROM's PIC and i want to know ¿Why do we must put the values 0xAA and 0x55 to work with it? ¿What happen if i put another value on that registers?... Thanks.
  2. S

    some intersting article about microwave's application

    I need help to find an article or a paper about some aplication of microwaves, could be industrial or maybe biomedicals or any other aplications. Thanks SAV
  3. S

    What is the function of MMU in a processor?

    I want to know what is the function of the MMU in a processor, and which functions and adventages it bring to and embedded system.
  4. S

    Getting 0% and 100% active PWM signal with 555

    I am working on a very low cost design that includes a PWM for a DC Motor control. I choose a 555 working in monostable configuration for that work but i can't get 0% and 100% active signal into the cycle. It's posible to get this?
  5. S

    Any help about position sensor

    Can you please give me some links to get information about the details of the implementation of that kind of sensors. The ultrasonic option is not so expensive, so i think it could be the rigth choose. Thanks.
  6. S

    Any help about position sensor

    The CCD is a nice option but maybe it could be very expensive and it is only a proyect for a university subject, but we could analice that option. The road is arround 20 cm so i think it is not a big problem. Thanks for your help
  7. S

    Any help about position sensor

    position sensor Hi, I need help to make a control system for a ball rolling along a linear road. I can control its inclination and i must know its position on the road. can you give me some suggestions, specially with the position sensor. The objetive is to put the ball in an specific point...
  8. S

    Looking for a list of FPGA products vendors

    Re: FPGA vendors Hi, I received by mail a complete catalog with all the altera products, including a CD. I only register in their home page, and they send me the information. They were so kind because sometimes is hard to send this kind of packages into my country. Maybe you can also get this...
  9. S

    ac adapter for an hp and digital camera

    Hi, I want to make an ac adapter for my HP 48g+ and a digital camera, the HP works with 4.5V DC given by 3 AAA batteries and the Digital camera operate under 3V DC, but it has a maxium power dissipation of 3W. I want to know some consigerations for my design, i was thinking to use the...
  10. S

    "clock skew"-"clock delay"......PLL-DLL

    What's the diference beetwen clock skew and clock delay? and i want to know what's the diference beetwen a PLL and a DLL?.
  11. S

    inverter for CCFL Backligth

    inverterfor ccfl We are going to work whith a LCD Graphic module with CCFL Backligth, it needs a CCFL inverter, what is exactly its function? it cost about $15 but i want to do it so maybe you could help me with some information about it.
  12. S

    Connecting one pc to 10 monitors showing same content ??!

    Re: connecting one pc to 10 monitors ! Somewhere i lisen something about a software that could make the function of multiplex the cpu and you may only add a video card. mouse and keyboard to obtain to Complete PC. Is that true? how can it works? and what happens with the performance of the PC?
  13. S

    How to write data in USB flash memory using micro and RS232?

    Re: USB mass storage help Hey guys, me again!! Did you find usefull information here?. Check this link: hxxp://www.altera.com/products/ip/iup/usb/ipm-index.jsp Here you will find some USB opencores and tools. Hint: 'x' means 't'
  14. S

    need help choosing lcd graphic module

    We are trying to make a digital osciloscope with a lcd module, we are going to use a 320*240 module with controller. Could you please give us some links or recomended manufactures (optionally pleaced in New York ) to buy them it. We have around US$120 for buy it. Thanks. :roll: Sorry about...
  15. S

    How to write data in USB flash memory using micro and RS232?

    Re: USB mass storage help Maybe you can use some USB driver opencore thinking in a FPGA or CPLD design, using some HDL you can get a lot of choises for you design. Somebody could help you findng the opencore.

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