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Recent content by neelam

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    What's the type of load cell output and how to interface it with 89c51?

    load cell output? Thanks a lot for replying MAKeller. can you please tell me what do you please explain me in detail, about,---> "2mV/V" and "output of +/- 20mV @ 10V excitation". Thanks once again.
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    What's the type of load cell output and how to interface it with 89c51?

    hi friends can anybody please tell me that what is the kind of output that a load cell gives and how can i interface it with microcontroller 89c51. the weigh scale is from 0gms - 25 gms with resolution of 0.01 .which load cell to use for this? waiting for reply please help neelam
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    volume controller with 8051

    Thanks stephen_h & IanPfor replying. But stephen_h if i go your way where to give the audio input as the resistors network would be connected to 89c51.
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    volume controller with 8051

    volume level using ic cd4051 dear friends can anybody please help me out design a simple low cost volume controller of 15 steps minimum and interfaced with 8051 waiting for reply thankyou neelam
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    Help me choose a component to show that my input is working

    Re: any idea on input? u can use digital output temperature sensor of maxim .the circuit is not at all complicated. it s a one wire communication
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    ds1820 code for 8051?

    interfacing ds18s20 with 8051 dear ianp thanks again but cant understand C language????????????????????????? i was searching on net but could not get any help on this in assembly language......... sorry to bother you again..... please help me....... Added after 5 minutes: dear ianp...
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    ds1820 code for 8051?

    ds1820 8051 dear ianp thanks for replying but that isnt helping me. its using 8 ds1820 and all polling and macros its too high fundu.got over my head................. couldnot understand a word.................. :( please help me out if there is someother example....................... :?:
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    ds1820 code for 8051?

    ds1820 code hi friends please help me on how to interface DS1820 with 89C51.i mean can anybody provide me the code for this. and it is neceesary to use 8051 only and not by using PIC. waiting for reply thanks neelam
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    ADCs clock question: r-c combination

    ADC's clock? Hi friends, A small question!.....i'm using ADC0804 with 89c51. for ADC should i take R-C combination for clock or clock itself from Microcontroller's crystal via flip-flops? or if you can Please explain me when are both the methods used. Thanks a lot.....
  10. N

    Looking for example of LM92 interfacing with microcontroller

    LM92 interfacing Hi friends, can anyone please provide me some example based on LM92 interfacing with microcontroller(preferrably 89c51)....i had searched out net but couldn't get anything.... Thanks
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    which ADc and uC to use......

    hi ianp will instrumenatition amplifier AD628 work for this project? as AD624 isn't available in my area. Thanks
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    How to use timer register for a simple rpm meter?

    RPM METER DESIGN dear IanP thankyou so much ..i tried that method and it worked successfully...... thankyou once again for ur kind help byee neelam
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    How to use timer register for a simple rpm meter?

    RPM METER DESIGN ok. i think i understood 50% of that. do you mean to say i should run timer for 1ms and after each 1ms i should increase a register by one. this should be done between to sucessive pulses received from hall effect sensor? then i should do calculations for 60 seconds to obtain...
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    How to use timer register for a simple rpm meter?

    RPM METER DESIGN hi ianp, i was trying a search for rpm meter design and i found this page. I think the method you told would give a resoultion of 60 rpm ( 60rpm, 120rpm, 180rpm.....so...on), is there any better method for getting resolution of 1 rpm. one thing more i've to use hall effect...
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    which ADc and uC to use......

    thanks for replying IanP i will be using 89C51 with external 16 bit ADC for 0.01 V resolution. which instrumentation amplifier to use? and also please refer me some examples. thanks neelam
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