PIC water sensor


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  1. #1
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    Ive only just got past the bit about boosted output. Some things are making sense but i think its gonna take a while to sink in properly.

    Would i be right in saying an op amp is very similar (if not the same) as a MAX485 receiver? Now i think about it the MAX485 does have opamp type symbols in the datasheet

  2. #2
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    You know I always make dead certain first, before I pull that trigger, on my de-soldering gun to remove MAX485s. Gotta be properly grounded, because they're very static sensitive.

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    Quote Originally Posted by T.Jackson View Post
    Gotta be properly grounded, because they're very static sensitive.
    I hadnt notice that. Im sure the ones ive got must have had pleanty of static with all the things they have been near and they are still working for the moment. One of them even got shorted out when the wires on the biasing resistors accidentally touched but even that still works fine.

    For now im working on breadboards so soldering/desoldering hasnt been a problem

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    Quote Originally Posted by The Master View Post
    Would i be right in saying an op amp is very similar (if not the same) as a MAX485 receiver? Now i think about it the MAX485 does have opamp type symbols in the datasheet
    Maybe...I guess so...
    The 484 is comparing a voltage difference.
    Dave
    Always wear safety glasses while programming.

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    Quote Originally Posted by mackrackit View Post
    Maybe...I guess so...
    Well you should know Dave, you're the one with the Phd.

    What does your psychoanalysis equate to?

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    Quote Originally Posted by T.Jackson View Post
    Well you should know Dave, you're the one with the Phd.

    What does your psychoanalysis equate to?
    I would say mine is more "I guess so" while my wifes is "maybe". I used them both so I would not have to be gender specific. Gotta keep the Freudians happy.

    And that is
    MR. Post Hole Digger
    Last edited by mackrackit; - 23rd October 2008 at 16:33.
    Dave
    Always wear safety glasses while programming.

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    I usually rely predicate logic mostly. This is enough for me, it's all I need.

    Anyway, I'm off to go and clean that gun of mine, gotta a lot of work ahead of me.

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    Quote Originally Posted by T.Jackson View Post
    Anyway, I'm off to go and clean that gun of mine
    Keeping up with the Freud thing.
    I bet mine is bigger than yours
    Dave
    Always wear safety glasses while programming.

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    Quote Originally Posted by mackrackit View Post
    Keeping up with the Freud thing.
    Dave,

    I'm gonna be counting numbers while look'n down the barrel of a sawn off shotgun soon. I've only got to blink or look the wrong way.

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