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Recent content by yangxh

  1. Y

    How to shift 3.3 voltage level to 5V most efficiently?

    voltage shifter Yes, The 74 series chips.
  2. Y

    programming using KEIL for ATMEL89Cx2051

    Turn to the keil site.www.atmel.com.
  3. Y

    A random generator schematic

    schematic random generator Can you put on your application.
  4. Y

    interfacing ADc and Uc

    I suggest replace 89C52 with Atmega series.
  5. Y

    Help me find an EEPROM to replace 27256 EPROM

    32 K EEPROM IC ATmega32,ATmeg64,ATmega128
  6. Y

    How to implement line tracking for a robot?

    line tracking h**p://booksbybibin.14.forumer.com/viewtopic.php?t=125
  7. Y

    RS232 to Rs485 Circuit, PCB

    rs232 to rs485 circuits I know FTDI com have some chips may help this. Added after 1 minutes: max3081 max3082 ma485 max487 and so on.
  8. Y

    NEED HELP on LINE FOLLOWING ROBOT

    simple line follower robot h**p://www.diylive.net/index.php/2005/12/13/diy-line-following-robot2/ h**p://booksbybibin.14.forumer.com/viewtopic.php?t=125
  9. Y

    What's the algorithm for snake movement?

    need alogorithm? Please explain more detail.
  10. Y

    open loop dc motor control

    you mean PWM?
  11. Y

    Materials to learn LPT port programming

    c++ lpt1 port h**p://rapidshare.de/files/6294943/Parallel_Port_Complete_by_Jan_Axelson.rar.html I can't get it.
  12. Y

    Suggestions for wireless webcam project

    WIRELESS WECAM!!! RF module- If you have design it by youself for inexpensive?
  13. Y

    Passing pulses from a counter to the display wirelessly using the RF system module

    Re: RF module info How much and how buy this module?
  14. Y

    Why we use PWM to control the speed DC motor?

    DC motor question Most peocessors have the PWM modules,thew work as D/A convertor
  15. Y

    The explanation of FPGA !

    FPGA Please turn to the page: h**p://www.@ltera.com/ Or other CPLD manufactory ,such as xilinx.
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