Recent content by bibinjohn

  1. B

    64 Inputs Outputs from PC parallel port

    it is not a big problems if u used 74374,74244 and a 4X16 decoder use dataport for input and o/p decoder to the control port In this case u can get 120 i/o . 64 input +56 outputs as u wish see this link http://booksbybibin.14.forumer.com/viewtopic.php?t=53 Bibin John www.bibinjohn.tk
  2. B

    parallel port in win 2000

    just install userport.zip http://booksbybibin.14.forumer.com/viewtopic.php?t=74 bibin John www.bibinjohn.tk
  3. B

    Problem in an H-Bridge

    see some design tips for H-bridge http://booksbybibin.14.forumer.com/viewtopic.php?t=130 Better go for MOSFET because MOS is voltage controlled while bjt is current controlled Bibin John www.bibinjohn.tk
  4. B

    Problem in an H-Bridge

    see the designing steps of H-bridge http://booksbybibin.14.forumer.com/viewtopic.php?t=130 Bibin John www.bibinjohn.tk
  5. B

    Interfacing circuits to the PC

    if you are a beginner go for parallel port, here are some examples http://booksbybibin.14.forumer.com/viewforum.php?f=4
  6. B

    Stepper problem

    if it is of 6 wire then you can use it as unipolar as well as bipolar, read this then u will understand http://booksbybibin.14.forumer.com/viewtopic.php?t=42 Bibin john www.bibinjohn.tk
  7. B

    Logic IC Tester (4001-11-93-71-81)

    See these IC tester using parallel port http://booksbybibin.14.forumer.com/viewtopic.php?t=55
  8. B

    relay question

    ya the relay of 12V should have a voltage greater than 12V. See this link http://booksbybibin.14.forumer.com/viewtopic.php?t=33 Bibin John www.bibinjohn.tk
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