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Recent content by kavin_eees

  1. K

    three phase volt measurement using resistor network method

    hi to all thanks for your support now the problem is solved previously i used 5% resistor and now i changed to 1% resistor now am getting the correct voltage on lcd.. am going to test the unit with load connected... i ill update the result once testing completed...
  2. K

    three phase volt measurement using resistor network method

    hi baileychic First of all i would like to say Thanks for your wonderful effort for me... i really appreciate your works.. ya there is some problem in my code and my hardware too... but unfortunately the pcb design over and i got 110 nos of pcb, i could not able to modify the PCB right now...
  3. K

    three phase volt measurement using resistor network method

    hi wwfeldman thanks for your wordings ! i will improve myself quickly....
  4. K

    three phase volt measurement using resistor network method

    hi FvM thanks for your reply... the problem not comes all the times but some time only in first channel rest of the channel are ok... i ill add a low pass filter and check it again....
  5. K

    three phase volt measurement using resistor network method

    hi Klausst thanks for your reply. i ill tell you clearly am going to sense Three phase AC voltage using resistor divider method, Three phases say R Y B am converting high voltage AC to controller accepted voltage using resistor network and then i fed into PIC16f887 RA0(Rphase)...
  6. K

    three phase volt measurement using resistor network method

    hi all right now am designing three phase protection circuit for that i planned to measure the voltage using resistor net work method, herewith i had attached my circuit and my volt measuring code, everything working good but in sometimes the R phase connected to AN0 pin shows high reading...
  7. K

    need help in measuring time between two comparator output in PIC microcontroller

    hi betwixt and klausst thanks to all... i finally completed the sequence detection.. using comparator and timer...
  8. K

    need help in measuring time between two comparator output in PIC microcontroller

    hi herewith i attached my code for reference
  9. K

    need help in measuring time between two comparator output in PIC microcontroller

    hi to all right now am in developing three phase sequence detector using pic16f887 microcontroller. i had tried more methods but unfortunately the results are negative.. finally i planned to use inbuilt comparator in pic16f887 (2 comparators available) . i planned to fed the first two phase...
  10. K

    need help in interfacing pic16f887 with cc1101 rf module

    ya okay.. i ill update soon.. thanks..
  11. K

    need help in interfacing pic16f887 with cc1101 rf module

    dear all now am trying to develop wireless water level management system for that i planned to use pic16f887 micro-controller and CC1101 RF Wireless module... am new to SPI interfacing... kindly give me your valuable suggestion in interfacing .... thanks in advance...
  12. K

    Water level sensor circuit for wireless monitoring

    hi brian i will use only one float switch only.. so no problem.... i ill update my entire process over here step by step... - - - Updated - - - hi friends i think this is the silly question, but i need some ideas, i planned use pic16f688 microcontroller ic. the cc1101 uses spi protocol for...
  13. K

    Water level sensor circuit for wireless monitoring

    i planned to use cc1101 module... till not yet decided the pic controller
  14. K

    Water level sensor circuit for wireless monitoring

    hi brian can we use cable float , if so it will be so easy for sensing
  15. K

    Water level sensor circuit for wireless monitoring

    dear brian here with i had attached the contact type sensor which we are planned to use... **broken link removed** you told to add capacitor at the end of the sensor right? if so its not possible to add at the end. or can we add at the beginning? - - - Updated - - - hi d123 i agree with your...

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