Help to make PCB with Eagle. - Page 2 - Electronic Circuits Projects Diagrams Free

jpanhalt · 28th October 2009, 04:21 PM

It's part of Eagle. ULP = drill-aid.ulp

John

Odin · 28th October 2009, 10:50 PM

Quote:

Originally Posted by DirtyLude

Somebody posted an Eagle script a while ago that fills drill holes and leaves a smaller hole just to start the drill bit. It sounds like what's trying to be done here. I don't remember the script, though, and I'm too lazy to look.

drill-aid.ulp is the name. It draws additional pads in a new layer, with the inner diameter you choose.

prabhueng · 29th October 2009, 08:49 AM

Hi all,

If I am not wrong, it is not needed to create a separate library with the selected components.
It will create some headaches like we need to save the library and if we install the later version of EAGLE means we need to update the library.

It is very simple to use DRC in the EAGLE. If u open the DRC window means it has many tabs.
Correctly enter all the values. The mains tabs for the homemade PCB's is the restring and the clearance tabs. Choose the appropriate values for them.

I made the several circuits in the home.

IF u want i will send the drc file of me.

jpanhalt · 29th October 2009, 10:58 AM

The biggest problem with using the restring tab in DRC is that it seems to affects all pads. That may not be what a user wants to do.

In DRC is there a way to change the pads of just one component?

John

3v0 · 29th October 2009, 03:01 PM

Quote:

Originally Posted by jpanhalt

The biggest problem with using the restring tab in DRC is that it seems to affects all pads. That may not be what a user wants to do.

In DRC is there a way to change the pads of just one component?

John

Not that I have seen. I think it is time to look at some artwork and the clearance and restring values used.

3v0

phoenox · 29th October 2009, 07:58 PM

The problem of having the printout smaller than the design size may be caused by the tranparency shrinking as it goes throug the printer. If you do not us heat stabilized transparencies the heat from the laser printer will cause them to shrink. This makes your printed image smaller than intended.
If this is what is causing the error you can pre-shrink the tranparencies by sending them through the printer a few times, prining nothing. You can measure the actual page to see if it is smaller than before.

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28th October 2009, 04:21 PM	#16
jpanhalt	It's part of Eagle. ULP = drill-aid.ulp John

29th October 2009, 08:49 AM	#18
prabhueng	Hi all, If I am not wrong, it is not needed to create a separate library with the selected components. It will create some headaches like we need to save the library and if we install the later version of EAGLE means we need to update the library. It is very simple to use DRC in the EAGLE. If u open the DRC window means it has many tabs. Correctly enter all the values. The mains tabs for the homemade PCB's is the restring and the clearance tabs. Choose the appropriate values for them. I made the several circuits in the home. IF u want i will send the drc file of me.

29th October 2009, 10:58 AM	#19
jpanhalt	The biggest problem with using the restring tab in DRC is that it seems to affects all pads. That may not be what a user wants to do. In DRC is there a way to change the pads of just one component? John

29th October 2009, 07:58 PM	#21
phoenox	The problem of having the printout smaller than the design size may be caused by the tranparency shrinking as it goes throug the printer. If you do not us heat stabilized transparencies the heat from the laser printer will cause them to shrink. This makes your printed image smaller than intended. If this is what is causing the error you can pre-shrink the tranparencies by sending them through the printer a few times, prining nothing. You can measure the actual page to see if it is smaller than before.