new user help please

steve999 over 13 years ago

Hello All,

I am new to using Eagle and still getting my head round it.

How do i check a foot print in a library ? as i wish to check that the diamensions are correct for my part.

I want to check the 9 pin D plug and socket in THOMAS&BETTS H2M09RA29A

I am using Eagle 6.1.0 Light

Steve

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0 Lupo over 13 years ago

You can select the package you need to check in the requested library and use the cursor position to measure what you need. To do that the grid dimension can be changed as required by the precision level you need. Also the "Mark" function can help in this operation.

I hope this can help you.
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0 Former Member over 13 years ago in reply to Lupo

I'll agree that using the cursor position will work, but for complex devices it gets tedious. I prefer to calibrate the printer and compare a piece of paper to an actual part. True, with 0.065 center-to-center pin spacing, the pads get a bit "blurred", but it's useful to look at the over-all on these.

Even without a micrometer and a microscope, you can get a "reasonable approximation" of calibrating the printer by using a $2 ruler and a magnifying glass. And without a microscope, you probably aren't doing the really tiny parts anyway, so being off 0.1mm isn't a big deal in that situation.

Clark
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0 Former Member over 13 years ago in reply to Former Member

Hi,
for better resolution without blurring try negative printing. This is widely
used in the industry for making films for pcb-manufacturing.
r
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0 Lupo over 13 years ago in reply to Former Member

Hi,

I think the better thing is find the right solution for our needs so for my point of view is faster and may be also more accurate to use the cursor and related position; different needs require different solution so sometimes it' s difficult to say which is the best solution. Anyway your solution is really good and I think I'll try it in the future.

L.
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0 Lupo over 13 years ago in reply to Former Member

Hi,

I think the better thing is find the right solution for our needs so for my point of view is faster and may be also more accurate to use the cursor and related position; different needs require different solution so sometimes it' s difficult to say which is the best solution. Anyway your solution is really good and I think I'll try it in the future.

L.
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