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measuring supply voltage in home through tm4c123gxl

MANISH RAJPUT
Intellectual 295 points

actually i want to know how to measure the supply voltage to the home using tm4c123gxl and inform it to me using wifi.I have already setup wifi connection to get ack but didn't have any knowledge how to measure voltage through the kit.

1. do i need extra hardware.

  • 0
    TI__Guru**** 244440 points
    Hello Manish,

    Is this post related?

    http://e2e.ti.com/support/microcontrollers/tiva_arm/f/908/t/395454

    Regards
    Amit
  • 0 in reply to Amit Ashara
    Guru 47900 points

    @ Amit,

    Your "detective" skills are now (nicely) approaching your Tiva expertise.

    Poster's "play" with line voltage does not bode well for health safety of his board, himself, and/or those nearby.

    Even the protective "boiler-plate" (base of this forum page) may not adequately buffer/protect.

    May I suggest, "Ten foot pole rule" receive strong consideration?   Nature of these (near identical) posts signal that poster has rejected normal/customary "cautions" - I'd alert local fire dept. if I knew how/where...

  • 0 in reply to Amit Ashara
    Intellectual 295 points

    hello Amit 

                        Sorry for late reply these post ar eco related..

  • 0 in reply to MANISH RAJPUT
    Guru 117855 points

    MANISH RAJPUT said:
    post ar eco related..

    And so too are smoke, fire, "Eco related!"

    Line voltage - in the hands of one inadequately skilled, experienced & cautioned - should not be encouraged.  (even when multiple posts (attempt) to disguise this unwise desire.)  

    Some consideration should be given to matching, "ability to unrealistic desires" - especially when safety is placed in jeopardy...

  • 0 in reply to MANISH RAJPUT
    TI__Guru**** 244440 points
    Hello Manish,

    Please define "ECO related". To me ECO is something else altogether. As cb1 well said, measuring line voltage is a risky job "even" for some experienced folks. So what you need to do is to investigate how to get line voltage "safely" to a measurable range.

    Regards
    Amit
  • 0 in reply to Amit Ashara
    Guru 117855 points

    @Amit,

    Sorry - sucked you in on this one.  Poster is not a "detail guy" some way/how his proofread (missed) the typo: should have been, "are co-related."

    "Eco Related" - smoke/fire was my "memorable" way to highlight the fact that danger lurks - great experience & attention to detail are required when working on/near/around high voltage.  (poster does not exhibit such attention to detail - and clearly is not "up" for such a dangerous task...)

    In one of his (related yet disguised) posts use of a properly installed (by someone competent) line-voltage to safe, current-limited, low voltage AC transformer may provide a far-safer and practical "learning vehicle." 

    Line voltage can (and in fact does) kill - and 1000's of houses (even w/in U.S.) burn to the ground every year - due to "unskilled wiring/repair" attempts.

    Skilled as launchpad designers were - doubtful that they targeted "launch" of Fire Dept. - as one of their objectives...