I wouldn't worry about it too much.  I estimate that 1,999 people here=20
don't think you are the one being rude.

Kerry


Nathan wrote:
>> If that's what he meant, then what are the Xs thru the
>> circles supposed to be telling us?
>>    =20
>
> I have no idea what the x's are for. As I said in my previous email, I
> found the part in the solpad library in Eagle and assumed it was
> standard.
>
>  =20
>>> Do you really need to take such an accusatory tone when pointing such
>>> things out?
>>>      =20
>
>  =20
>> Yes.  This is not a electronics knowledge or newbie issue.
>>    =20
>
> Actually, it is. I believe I said several times before that I'm a
> know-nothing student. Things like the vdd symbol not pointing up,
> that's because I didn't know any better, not because of sloppiness or
> rudeness. The same thing goes for most of my other mistakes.
>
>  =20
>> Not only is it rude to ask 2000 people to review
>> something you haven't bothered to clean up a bit, but it also points to
>> messy thinking.
>>    =20
>
> This is the fourth PCB I have designed. Is it really reasonable for
> you to expect it to be perfect?
>
>  =20
>> He should be ashamed of himself.  Since that obviously
>> isn't working, we'll have to do it for him.
>>    =20
>
> I don't understand why you believe I should be ashamed of myself. From
> the things you have said, you might not understand why, but I'm
> actually proud of my work. No, it's not professional. But considering
> that 95% of my peers don't even really know what a PCB is, let alone
> how to make one, I think I'm doing pretty well.
>
> Maybe you forget what it's like to be a student, but learning is a
> process that takes time. I doubt you just "woke up" one day knowing
> everything you now know. Furthermore, most people learn best by trying
> something, making mistakes, and then being shown the correct way to do
> it. I welcome your constructive criticism, but there's no need to be
> rude.
>
> I know that I'm not a professional engineer like you, Olin, but the
> only way for me to become one is to continue learning by working on
> projects like this. You say I should be ashamed of myself, but I'm
> not. I'm proud of the fact that I've taught myself all of this stuff
> and that I'm actually making an effort to learn.
>
> If this list is for professional engineers only then I'll stop posting
> on it; I didn't know.
>
>  =20
>> Neatness trancends disciplines.  Would you seriously hand in a homework
>> assignment looking like that?
>>    =20
>
> You may not have read my previous email, but I said that I've really
> only had one electronics course. I think my professors would be
> thrilled if I handed this in as a homework assignment. Most of my
> peers have close to zero practical experience when it comes to
> electronics.
>
>  =20
>> You'll find SMD parts easier once you get used to them.  However a tight
>> pitch QFN is not easy to get right.  I suggest you use the 44 pin TQFP
>> package at least.
>>    =20
>
> I'm sorry, when I said TQFN in my original email I meant TQFP. I am
> using the 44 pin TQFP package.
>
>  =20
>> I see that some of
>> the pins aren't connected, so maybe you can use the 18F2550 in the 28 pi=
n
>> SOIC package instead.  That's fairly easy to solder by hand.
>>    =20
>
> All but three pins are connected, aside from the NC pins (which I
> assumed were not supposed to be connected to anything).
>
>  =20
>>> It's a single layer board,
>>>      =20
>> Why?  You don't get a price break for using only a single layer because =
the
>> board house will use a 2 layer process anyway.
>>    =20
>
> As a few people deduced, I'm making this at home. As of now I've only
> made single layer boards and would like to stick to that.
>
>  =20
>> But, I would agree, for a hobby project cost (within reason) isn't the
>> biggest factor
>>    =20
>
> It is for me! I'm your typical broke college student..
>
>  =20
>> Etch your own boards if you want to for the experience, the satisfaction=
, or
>> whatever, but don't kid yourself that its easy or that you'll save all t=
hat
>> much money.
>>    =20
>
> It costs about one dollar for me to make a 3x4" PCB. I couldn't afford
> to get a PCB professionally made.
>
>  =20
>> It really isn't that hard.  Print the artwork on to magazine paper with
>> a laser printer, transfer to copper clad using a laminator, and etch.  I
>> can reliably do .5mm spacing, which is as small as I can comfortably do
>> hand soldering.
>>    =20
>
> That's pretty much how I do it.
>
>
> I apologize to everyone if my lack of experience has made me seem
> rude; I really am not trying to be. Almost every engineer I've talked
> to over the past few years has been extremely supportive of my hobbies
> and excited for me that I'm trying so hard to learn, but if a student
> like me is not welcome on the piclist, then as I said before, I'll
> stop posting.
>  =20



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