Tagged Questions

9
votes
6answers
1k views

Finding air wires in Eagle

I am almost done routing a board. However, is telling me that there is still one more wire. I have looked but I just can't seem to find it. Is there a to make Eagle tell me where it is?
1
vote
2answers
803 views

EAGLE PCB How to set drill clearance?

I have designed an land pattern for a micro USB connector. The connector have 2 x 0.9mm drill holes under it. The problem is the clearance distance around these holes being to big and overlaps the ...
1
vote
5answers
2k views

PCB (Auto-)Routability

Background I'm working on a fairly dense mixed PTH/SMD (plated through hole / surface mount) component PCB design. I'm using Eagle CAD for it for the schematic capture / layout and I'm using the ...
8
votes
2answers
664 views

Is it normal to have a rats-nest of VCC/GND traces under an IC?

I'm attempting to route a simple board, the first I've done in 15 years since I routed a 12V linear power supply in the equivalent of mspaint. This board consists mainly of an LPC2387, which is an ...
3
votes
1answer
547 views

How do I connect a pin that is not included on the main symbol or any of the gates of an Eagle part?

In Eagle, I've dealt with a couple of parts that have pads that don't seem to be accessible from the schematic: HTSSOP packages with a thermal pad that should be connected to a ground pin; a battery ...