Re: 12 LED resistance circuit help

On Sun, 24 Apr 2005 18:12:30 GMT, "Anthony Fremont"
<spam@xxxxxxxxxxxx> wrote:

>
>"John Fields" <jfields@xxxxxxxxxxxxxxxxxxxxx> wrote in message
>
>> Sure, I made a trypo, which is clearly evident from the context of the
>
>Clearly evident, are you trying to be funny? There is nothing "clearly
>evident" about 0.6mA REALLY meaning 600mA.

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Well, had you noticed that earlier on in the article I referred to
being able to run a relay with a 100mA coil, and had you noticed that
that relay was in series with the collector-to-emitter junction of the
transistor, it should have been obvious that, in the absence of
current-hogging, that 100mA also had to pass through the transistor's
collector-to-emitter junction in order to cause the relay to function.
Also, I don't think there are any commonly available mechanical relays
with will operate with coil currents on the order of 60µA, so it
should have been more or less obvious that it was a trypo. Especially
when you consider that just removing the mu fixes everything.
---

>> article. Big fucking deal.
>
>As a matter of fact, it is a BFD now. You wrongly cussed me out, now
>you should apologize. Or do you think you are above that?

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What I think is that you're trying to mitigate your error by saying,
"See, everybody makes the same kinds of mistakes I do.", and there's
no reason for me to apologize to you for flaming you about that.
---

>> You, on the other hand, are bobbing and weaving and ducking around
>> saying that what you meant by current hogging (a commonly accepted
>> technical term) was "power hogging", or some such other nonsense and
>> trying to excuse your error by saying that I'm in the same boat that
>> you're in, LOL.
>
>I admitted that current was the wrong word, WTF do you want me to do?

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I dont care _what_ you do.
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>Do you really think that I don't know the difference between current and
>power, or that the current thru all components in a series circuit is
>the same?

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You do now...
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>I really didn't expect the pedant police to jump all over it.

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*** happens...
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>Next time I'll be more careful.

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Good.
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>The simple fact remains that one LED WILL DISIPATE MORE POWER THAN THE
>OTHER DUE TO DIFFERING Vf's. RIGHT???

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Right.
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>THE END RESULT IS EXACTLY THE
>SAME AS IF ONE DEVICE HOGGED MORE CURRENT, RIGHT???

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Wrong. That's the same as saying that getting from point A to point B
via a road that doesn't exist is the same as getting from point A to
point B via road that does exist.
---

>I have admitted my
>error numerous times now. Now, what is your problem?

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I have no problem.
---

>I'm not saying that you're in the same boat as me, I am saying that you
>make mistakes too. What I'd like to know is:
>
>Would you rather have someone point it out nicely, or would you rather
>them try to trip you up so that you can dig yourself in deeper? Let me
>know so that I may properly appease you in the future.

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Neither my appeasement nor your sarcasm is necessary. Besides, I
don't know why you're so offended by what you thought was a trick
question since, trick question or not, it certainly woke you up
quickly enough!
---

>BTW, I feel that a microcontroller would be a simpler, cheaper, more
>reliable (iow better) solution to the problem of resetting the network
>appliances on a regular basis. What do you think?

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Is that a trick question?

--
John Fields
Professional Circuit Designer
.