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Questions tagged [eagle]

EAGLE is a low-cost PCB design software package.

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37
votes
1answer
38k views

New eagle library: reuse standard package & symbol

I need to make few components in Eagle, which are all in standard packages, and I can see them in ref-packages.lbr. The problem is that when I am creating my library I don't see how I can reuse ...
36
votes
1answer
45k views

Where is the Eagle component library for 0.1" breakaway headers?

I want to put some breakaway headers into my Eagle CAD file. By that, I mean these: Does Eagle come packaged with a library for these? If so, what is the part called, and which library is it in?
28
votes
4answers
39k views

Eagle - How to attach a pin not shown on schematic symbol?

In Eagle, I would like to include SN74HC595 shift registers in my project. I found a library online a few months ago (can't find source anymore) that has this part. The symbol looks like this: ...
27
votes
2answers
11k views

Connectorless USB on a PCB

I would like to make a board which can be plugged directly into the USB port of a computer, instead of using a separate male "USB-A" connector. I have seen this system used for very small USB memory ...
25
votes
6answers
5k views

Is it OK to route a trace through a pad?

Will I have any trouble routing the traces in this way? (VCC and GND) Is it OK considering that the entire circuit current is under 50mA?
25
votes
5answers
7k views

How to create measurement points on a PCB for diagnostics?

What is the best way to implement a point on a PCB, where a voltage (e. g. output of a regulator) could be measured with multimeter for the purpose of verification of the assembly or diagnostics in ...
25
votes
6answers
32k 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?
24
votes
8answers
12k views

Advice on going from rat's nest to routed PCB

Can anyone offer any useful strategies on going from a rat's nest to a routed PCB? (I'm using Eagle and aiming to make single/double sided PCBs at home) Drawing the schematic is fine, but when it ...
21
votes
3answers
25k views

Mounting hole on a PCB

Here is a picture of 3 mounting holes on three different PCBs. The red one is what I prepared on Eagle CAD and used "hole" button on the left side menu , something like this: Do I need to use "...
20
votes
7answers
27k views

Which PCB software has the best autorouter? [closed]

I know that lots of people out there feel that autoroute results are not useable. I find that the autorouter is a good way to get a good placement. I use eagle. I do a basic placement, autoroute ...
20
votes
3answers
22k views

Design a veroboard/stripboard layout from an Eagle schematic

So I have just finished learning the basics of Eagle (Lite) and I really like it. As I don't have the full kit to start home PCB etching yet (something I am looking into now) I would like a tool that ...
20
votes
6answers
28k views

How do I facilitate keeping multiple grounds, (i.e. AGND, DGND, etc…) separated in the layout when using Eagle?

I've designed several PCBs where I needed to keep the ground returns of different parts of the circuit separated, i.e. analog, digital and high power. I use Cadsoft Eagle for schematic capture and ...
17
votes
7answers
4k views

My PCB manufacturer only requires eagle board file, and not a gerber file is it fine to go about getting the board fabricated with him? [closed]

It's my first time getting a PCB manufactured. My manufacturer only requires eagle board file, but not a Gerber file. Is it fine to go about getting the board fabricated with them? Or should I be ...
17
votes
1answer
21k views

Difference between drill layer, hole layer, and milling layer in Eagle

What is the difference between the drill layer (44), the hole layer (45), and the milling layer (46) in Eagle PCB?
16
votes
4answers
41k views

How do I change the properties of several objects at once?

I have several lines and arcs in an EAGLE footprint library I need to modify to make thicker. In Altium it's straightforward to hold Ctrl, click on a bunch of objects, open up their properties and ...
14
votes
2answers
22k views

How to chose via diameter and drill size based on trace width

I am designing a two layer board, the problem is I do not know how to select via diameter and drill size, as well as outer and inner diameters. In my circuit I use 056, 012 and 006 mil traces: I ...
14
votes
3answers
39k views

How to measure component distances in EAGLE PCB

How do I easily measure how far apart two objects are in EAGLE 5.11.0 Light? Is the easiest way to record the coordinates and subtract?
14
votes
1answer
26k views

Solder Mask and Cream in Eagle

I've got this part specification for the Paste Mask excerpted from the datasheet: There's a lot of lingo in this short paragraph that I would like to better understand conceptually. Specifically I ...
13
votes
2answers
26k views

Eagle CAD: method of re-linking schematic and board?

I've accidentally lost the sync between my schematic and board, with Eagle CAD giving me the following error: Board and schematic are not consistent! No forward-/backannotation will be performed! ...
13
votes
1answer
5k views

Why do I get warnings for all my voltage supply connections in Eagle CAD?

Take a look at the following list of ERC errors: Why is Eagle CAD showing Warnings for the voltage supply connections? For example: POWER pin U1 VIN connected to VBUS I know these pins are ...
13
votes
2answers
7k views

How to panelize gerber files?

I am planning on ordering a panel with four different designs on it. Two were made in Altium, while the other two were made in Eagle. Altium has a great tool for panelizing boards designed in it, but ...
12
votes
4answers
36k views

How to easily find or create parts for Eagle schematic/board layout

For Eagle CAD software, during schematic or board layout, how can I search for parts/footprints already created by other people out there, to make my life easier? And if I'm still unable to find what ...
12
votes
1answer
18k views

Is it possible to move names and parts separately in board edit mode in Eagle?

Most factory-created PCBs I have seen has part names aligned very accurate, without any overlap, without placing under the SMD devices, and so on. My question is - can I move part names separately ...
12
votes
3answers
21k views

What is the correct way to indicate a NC (no connect) pin in Eagle CAD

I looked around for NC symbols etc. and off course, leaving pins hanging will throw errors when doing a design rules check. So what would be the best practice for indicating NC pins in Eagle CAD?
12
votes
2answers
21k views

Stop mask errors in DRC

I'm doing my first board in Eagle (first board at all, actually) and am getting a lot of stop mask errors around parts that I'm using out of the Nordic and Adafruit libraries. Every point of ...
11
votes
2answers
2k views

Version control of schematics and source code

I am developing an electronic device which has two parts: hardware (Eagle schematics) and firmware (C++ source code). I would like to track changes in both source code and schematics, but there are ...
11
votes
2answers
4k views

Acute angle routes in PCB

Following is from a PCB that I am presently working on. That particular path signals are of 100-400kHz signals. Is there any problem in having routes of this kind?
10
votes
3answers
10k views

Blind/buried vs. through hole vias?

I'm trying to learn PCB design and, from what I've read and seen, there appear to be three different types of vias: Through hole - goes all the way through the board Blind - goes from the top or ...
10
votes
3answers
24k views

How can I make a plated-through hole in Eagle?

I have mounting holes (0.125 in) at the corner of my PCB project in Eagle, made with the standard "hole" tool. However these are not electrically connected to anything. There doesn't appear to be a ...
10
votes
2answers
16k views

EAGLE Matched Length Pairs / Groups

What facilities does EAGLE CAD have for helping to do layout with matched length groups and differential pairs? Can you apply such a constraint in the auto-router? As a follow-on to this, what (other) ...
10
votes
2answers
3k 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 ...
10
votes
4answers
9k views

How do I get an Excellon Drill file with 2.4 precision and trailing zero suppression out of EAGLE?

I'm trying to output CAM data from EAGLE 6.2.0 to get some PCBs made at Advanced Circuits. Their preferred NC drill format (particularly the one used by their online FreeDFM tool) is Excellon ...
9
votes
2answers
2k views

Is there a way to make a drill hole only up to half depth of the PCB in Eagle?

I need to solder a through hole ZigBee as though it were an SMD part. The other side of the board is a touch pad so there should not be any solder or components on it. I think it is better if I can ...
9
votes
2answers
10k views

Eliminating Thermal Isolation Pads in Eagle

When creating a ground plane in Eagle, Eagle automatically creates a thermal isolation for the pad. My first question is, does this isolation limit the current compared to a pad that is "completely"...
9
votes
2answers
16k views

Automatically renumbering element parts in Eagle

I have a circuit in Eagle, and say that counting from left, I have R1, R2, R3, then between R1 and R2 I'm adding a new resistor, it will be named R4. I will end with (looking on the circuit) R1, R4, ...
9
votes
3answers
26k views

Pad hole size for 0.1" Male Headers

I created an Eagle part that has several holes to solder 0.1" pitched break away male headers to, such as the one below. However the pad has a hole thats too narrow for the header! What drill size ...
9
votes
2answers
22k views

Arrows on connections in schematics

Im using eagle, and was wondering how i'd produce arrows like this: Is there a specific name for these? That show connections between many schematics.
9
votes
2answers
1k views

How to deal with LFBGA217 package when building prototype boards by hand

I am involved in a project in which I need to create a few prototype boards that will use the AT91SAM9G20B-CU processor in the LFBGA217_J package. Because this is ...
9
votes
3answers
3k views

Eagle - How to make the router ignore internally connected pins (in a package)

I have made a tactile switch package and as the picture shows pin 1 and 2 are internally connected, same for pin 3 and 4. The package have 4 pads and the symbol only 2. I have connected pads 1+2 with ...
9
votes
1answer
9k views

Eagle board editor not allowing me to place components outside area which is permitted

I am using this https://github.com/nabilt/nRF8001-Breakout-Board here. When I try to modify the schematic I can easily do it. But when I try to place a component in the board it keeps telling me the ...
8
votes
3answers
10k views

What are some tips to routing a one sided PCB?

I'm having trouble routing this PCB in Eagle 7.1: I have tried the following: Autorouting - it could not complete Moving components around Manually routing - I always ended up getting stuck Adding ...
8
votes
6answers
6k views

Adding a small protoboard-like area to a PCB

I'm currently laying out a PCB in eagle for a circuit that will form the basis for some experimentation. Instead of adding a row of headers so that I can plug it into a breadboard, I figured I would ...
8
votes
2answers
8k views

Hide particular airwires/nets in eagle

Is it possible to hide particular airwires in eagle, without hiding all of them? So if there's a net I am not currently interested in, but it has a lot of connections, confusing where other airwires ...
8
votes
5answers
11k views

How can I make a decent ground plane in Eagle?

I've made a couple of simple PCBs as a hobbyist, and for the first time now I want to add a ground plane pour but I'm having some issues. As I have currently understood I need to: Create a polygon ...
8
votes
2answers
9k views

How to create “wireless” networks in Eagle Cad

In this schematic they've somehow created "wireless" networks, meaning networks that connect two components but don't have an actual wire in the schematics. What are these called, and how can I ...
8
votes
2answers
1k views

Eagle 7 two finger scroll issue

I upgraded to Eagle 7 a couple of days ago the the scroll behaviour seems to have changed. Using a two finger scroll on a mac trackpad I used to be able to pan around in Eagle 6 but using Eagle 7 this ...
8
votes
3answers
8k views

Combining hand-routing and auto-routing in Eagle; selective ripup in an Eagle ULP

In Eagle I often prefer to route some wires myself (power, xtal, UBS, etc), and leave the rest to the autorouter. When I am not pleased with the result I route some more myself, and let the autorouter ...
8
votes
2answers
11k views

Rounded corners in Cadsoft Eagle

I am sending off a pcb for manufactering, but it would be nice to round off the corners for them to mill off. How can I make nice rounded corners? I have used the three point arc thing before but I ...
8
votes
1answer
883 views

Routing Considerations for a Buck Converter

I am looking to build an adjustable output buck converter with the following requirements: Output 1.25-15V Input 20-24V Max current 5A (with limiting) Max output ripple 100mV (preferable but less ...
8
votes
1answer
3k views

Eagle: Selecting a group by signal name?

In the eagle board layout, I want to group a specific signal specified by its name so I can move it to another layer via the CHANGE LAYER command. I do not manually want to click on every segment of ...