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Recent content by confusion

  1. C

    how to convert 7.094E-167 kind of values into decimal?

    guess the title says it all . i don't understand this format " 7.094E-167" . :roll:
  2. C

    down converting ±10v to 3.3v using op-amp

    thanx barry, your suggestions lead me on the right track ..exactly what i wanted to know.. just one more question..i totally understood the ckt you explained before .. but i have a ready circuit (which obviously is not working and made me post this thread) . In this ckt the i/p signal...
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    down converting ±10v to 3.3v using op-amp

    hmm :-o u guessed it right ..i have least knowledge of analog ckts... the tlv237x datasheet said "The TLV237x takes the minimum operating supply voltage down to 2.7 V over the extended industrial temperature range" so i thought opamp can down convert :roll: sorry my bad!! i did not go through...
  4. C

    down converting ±10v to 3.3v using op-amp

    down converting ±16v to 3.3v using op-amp hi there, m working on a project where i need to convert ±16v signal to +3.3V (which will go to ADC with ref voltage 3.3v ) . can anyone suggest a good op-amp IC . I came across TLV237x but it down converts the i/p voltage range to 2.7 V. I need 3.3V...
  5. C

    compim for bluetooth

    hey there, i want my compim to connect to my hardware which is a mobile..through bluetooth ...plz guide
  6. C

    multiple semaphore problem..plz help.

    i am attaching a code .plz tell me the flow of this code.i dont understand its working .. my doubt is 1)since task A is already pending on semaphore A,then after the OSTIMEDLY(100), there will be a context switch to task B .and in Task B, it requests to pend on semaphore b. so is it possible...
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    task switch and semaphore...big confusion

    hello!! am learning rtos in my curriculum . i came accross the code below and i dont understand the code flow..as in when the task switch will ocurr and when will the task perform the lcd functions. i don't understand the sequence in which the things will happen .plz help in interpreting what...
  8. C

    adding dspic30f library to proteus

    hello, i am working on a project where i need to use dspic. i choose dispic30f for my application . But dspic30f library is not available in proteus . plzz tell me how to include dspic30f library to proteus. when i google searched it is showing very abstract result and i am not getting it so...
  9. C

    how to read torque ratings of a motor

    i am using a 12v 1000rpm johnson dc geared motor .it says that It gives a massive torque of 10Kgcm. i dont understand the term 10kgcm.. as in from this how can i predict that upto how much weight can i load the motor.. without the loading effect on the supply? plz reply as soon as possible.
  10. C

    problem with sourcing leds interfaced with pic

    ok ..i did not connect series resistor .how can connecting series resistor help.
  11. C

    problem with sourcing leds interfaced with pic

    1)i am using pic16f877a to interface interface 8 leds to it.. the pic16f87x datasheet says that its high sink/source current is 25ma. and i am using red leds which sinks in at the max 30ma current. as i am using 8 leds 30x8=240ma+25ma=265ma will be needed by the kit at the most.. 2)this is...
  12. C

    plz help with bootloaders for pic

    thanx keith but please elaborate more on this..
  13. C

    plz help with bootloaders for pic

    helloo!! i am done with designing a pic16f877a board. now its a blank chip in hand . i want to know that do i need a bootloader if i have a programmer. my question might be wrong ..but this is what i could anticipate after reading some pdf's and articles on bootloader for microcontroller..its...
  14. C

    [SOLVED] how to design a PIC board.

    thanx a lot Mr.bigdogguru !! now i totally understood the pin functions and connections of icsp cable with pic. also a lot of thanx to papunblg yes it is for USB based PIC ICSP programmer/debugger. please tell me how to go about designing it.
  15. C

    [SOLVED] how to design a PIC board.

    ok that is fine but my question is which pins of the pic16f877a should be connected to icsp while programming the pic chip?? ---------- Post added at 01:43 ---------- Previous post was at 01:36 ---------- also if i choose to use a usb port instead of com port since many laptops do not have a...

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