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28 views

Understanding layers in Eagle schematic window?

Eagle sche Schematic ...
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1answer
68 views

Routing over 8 MHz crystal traces

I am routing a development board for STM32F030R8T6 which can use external 8 MHz crystal. Here are the schematics and board for the crystal part: Crystal traces are routed on bottom layer (blue ...
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1answer
44 views

Shrinking drill hole size in Eagle

The last time I did a successful PCB, the drill hole size relative to the component pad size is rather huge to the point where when I entered the soldering stage, the component wires were not ...
0
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2answers
56 views

Does an IC package type have same dimensions regardless of who manufactures it?

There are numerous IC package types, popular ones being DIP, QFP, SOIC e.t.c and they have variations depending on how many pins they have I am designing my Eagle library and have a question. Is it ...
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1answer
54 views

How to create a “multi bit pin” for a schematic symbol in Eagle PCB?

Here is the part for which I am making an Eagle part. Now it is completely possible that I draw the schematic symbol looking like thie exactly. It is how I have seen things done often. However, I ...
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2answers
52 views

Eagle Autorouter Ignoring Ground Plane

I am working on a simple 2 layer PCB in Eagle. I have my schematic done and I have laid out the board where I think everything is most efficient. I have created a polygon the size of the board and ...
3
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1answer
46 views

How do I edit thermals on pads in Eagle?

I have a ground plane and would like to increase the number of gaps in the thermals of a ground pad. I have more than 9 amps running through this ground pad and need to increase contact. It looks ...
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0answers
55 views

unconnected line (xx,yy) to (XX,YY) - Altium designer

Newbie in altium designer here. I have read the online documentation from altium, however I still have a warning when trying to compile my schematic in Altium: my schematic: The warning says: ...
3
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2answers
59 views

Eagle CAD: One-sided thru-hole pad?

Using Eagle 7.6. I have a part in a TO-5 can. The can needs to mount flush to the PCB, and I'm concerned that the copper on the top side of the standard thru-hole pads might contact the case. For ...
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2answers
28 views

SIM900 Footprints do not match in Eagle

I am designing SIM900 circuit in Eagle. To test the circuit I saved the board layout in pdf and took its print out. I placed the ...
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1answer
95 views

Are resistors the only legal way to tie various power designations together?

I'm working with a schematic in Eagle and I use IC's with different types of power pins. I connect VDD to VCC to +5V and I connect GND to VSS to zero volts. When I look at the ERC, I receive warnings ...
0
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2answers
32 views

GND signals not connecting to Polygon in Eagle

I am designing a board layout in Eagle. Before manual/auto routing, I made a polygon around the corners and named it as GND. Then I used the autorouter for routing. After the routing is complete, ...
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2answers
58 views

Eagle has different shape for pads for through hole components why?

While I understand that have 2 distinct shapes helps in determining which is pin 1, why does eagle have so many shapes: square, round, octagon, long, offset. Which is recommended under what ...
5
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1answer
136 views

Data Sheet Interpretation - “Insulation Area” and mystery Symbol

While creating a (my first) device package for this Micro SD socket in CadSoft EAGLE I stumbled over the inclusion of an "insulation area" in the recommended pcb layout: I'm guessing this is ...
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1answer
51 views

DC barrel jack datasheet dimensions!

I am using pj-102ah dc barrel jack. I am not sure if this is a mistake in the dimensions, or you can correct me if I am wrong. the top left red circle shows the the length of the three pins which is ...
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0answers
26 views

Relating via size in Eagle to Manufacture Requirements

I am planning to order some PCB boards from China. I have decided to use Elecrow for this, and on their page they list the following minimums/max related to via: Min Via Size: 0.3mm(12mil). Minimum ...
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1answer
55 views

DC barrel jack layout

1) I am using this DC barrel connector in my PCB and I want to make sure that when connecting a Center-positive power supply, my positive pin will be (1) and my two negatives will be (2) & (3), am ...
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2answers
43 views

How to connect VCC and GND conections of buffer 4050 on eagle?

I am unsing a 4050, the schematic usues the triangle representation. I have added a VCC and GND connectors to a power supply of 3.3V in the schematic hoping eagle recognizes the connections, but the ...
0
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1answer
43 views

What does it mean by RESISTORAXIAL-0.3 in EAGLE Sparkfun resistor library?

This may be a childish question but I don't know what does it mean by RESISTORAXIAL-0.3 in EAGLE Sparkfun resistor library. Is it some kind of measurement? I am new ...
4
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1answer
72 views

Eagle: polygon pour leaving funny blank areas

I am doing ground pours on both the top and bottom side of a two-sided board. The top side fill seems to work fine, but the pour on the bottom layer is leaving a bunch of odd shaped blank areas (see ...
2
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1answer
43 views

Eagle Can't back annotate

When trying to delete a via that I placed in the board manually I get this error. The via (yellow error) was placed to stitch the ground planes together and has nothing to do with the schematic. Why ...
0
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2answers
39 views

Eagle: automatic via creation to different layers?

I am designing my first PCB using the free edition of Eagle. This is a simple board, with power and signal lines on the top layer, and ground on the bottom layer. My question: I have components on ...
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1answer
26 views

How to hide/delete the symbol pin types (named as pas/sup) from the eagle schematics?

Hi there, I was trying to do something and not sure what I did without knowingly those small green circles along with names has appeared on ever pin of all the components I had in the schematics. ...
3
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1answer
43 views

Differing Hole Notations In Eagle CAD?

I was just creating some vias in Eagle and was playing with the drill diameter, and for some reason Eagle seems to put differing notations around the hole when the size changes, is there any reason ...
0
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2answers
49 views

Eagle library multiple packages in one device?

So in an Eagle library, the device is created by joining schematic symbols with pcb packages. You can have more than one symbol in a package... (a quad opamp). Is there anyway to have multiple ...
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0answers
20 views

Eagle - Crash on bmp import

When I want to import this bmp image on eagle with the import-bmp.ulp script, Eagle crashes at line 2789 (screen of script window). (Eagle version 7.5.0, ULP version 1.0.6)
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1answer
80 views

how to Design Rule Check an Eagle file in a git hook?

I can't find how to launch the ERC and DRC from the command line in Eagle. My hope is putting the command in a git pre-commit hook. I'm perfectly ok with using a third party program or library if ...
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2answers
116 views

High DPI (4K) And EAGLE CAD

Anyone know how to make UI text and objects display larger in EAGLE CAD. I just got a laptop with a 4K display and it looks beautiful but the text in some programs is microscopic
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1answer
39 views

EAGLE: Just Routing and Drilling

I am trying to find the simplest way to mill this PCB with an Othermill: Image 1 Image 2 I currently have both images saved in the R13 DXF format. Basically, I'm trying to force the Othermill to ...
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1answer
41 views

Eagle CAD Multiple individual parts in one device

Good day, I am trying to place multiple parts in one device. My use case is a foot print for a XBee chip. The device has two identical 10 pin 2mm SMT headers (NPPN101BFLC-RC: digikey link). There is ...
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1answer
44 views

How to set required spacing between two connectors pad on eagle cad soft?

I have 2 pin screw terminal in my project like this one. But I can't find screw terminals with 7mm spacing between it's 2 pins in eagle library. So, I have decided to use pinhead library to create 2 ...
0
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1answer
66 views

Eagle PCB change drill size of all vias of a specific size

I have designed a board and there are many vias with 8mil drill sizes. I just found out from the manufacturer that the smallest drill size is 12mil. Is it possible to change all 8mil drill sizes to ...
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0answers
17 views

How can I set a custom form of my Bill of materials in Eagle

Actually I have made a schematic and I want to adopt the same format as in this file which was based on database because when I run bom.ulp I get only a such table :. I know that is something ...
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1answer
30 views

Unrouted wires double after routing in eagle

I almost finished routing a PCB but after trying to change the placement of a via to ground plane ripup and route the wire connected to it, I've got a weird airwire which is between a pad and nothing. ...
0
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1answer
49 views

How to design an SMD prototyping board in Eagle

I have little boards that allows soldering one SMD chip, but these must be soldered to pins and then the pins plugged into a breadboard or soldered to a perfboard. Instead, it occurred to me to ...
0
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1answer
96 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 ...
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1answer
33 views

EAGLE: Placed bitmap on tStop

By accident I placed an imported bitmap on tStop instead of tPlace. How can I remove it? Unfortunately I noticed it too late to simply undo it.
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1answer
57 views

Clearance DRC capacitor

I'm getting a clearance error in Eagle, as I understanded, the error comes from the distance between two signals. As you can see in this image there is this pointy thing between pads. What is this ? ...
0
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1answer
21 views

Making eaglecad library for ATSAMD21G: how to copy TQFP48 package to my new library

I did look in the standard library for Eaglecad, but I see no entry for the SAM D chips. While searching, I saw posts that say to make my own, so I did. Now, I have the schematic for the D21G, but I ...
5
votes
4answers
488 views

Can you load Gerber files back into a PCB layout designer such as Eagle?

There's a PCB I may need to change a solder pad, but the schematic and layout are gone and were not added to source control. Is it possible to load the Gerber files back into a designer to change the ...
0
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1answer
31 views

How does one display part names in the board layout view of Eagle?

How does one show the part name for a part in the board layout of EAGLE? In the attached picture I would like to see E2 next to the LED named E2. There are quite a few LEDs on this board and this ...
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1answer
42 views

Eagle tstop layer problem

I'm about to update an old PCB design of mine using Eagle 7.5. The previous design used a DS18B20 and I want to replace that with a 1x3 0.1 pin header. While I can delete the component from the ...
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3answers
264 views

Eagle - Router does not understand wire jumpers?

I am using Eagle 7.2 - is there any setting which allows me to make Eagle understand wire jumpers? Neither the auto router nor the "show" button seems to be able to recognize that 2 wires connected by ...
3
votes
2answers
93 views

Altium Designer - Should I place ground vias on a ground polygon?

I am migrating a design from Eagle to Altium and on the Eagle PCB there is a ground plane (polygon) and every pad has its own GND via. So I placed the ground polygon as on Eagle, and Altium ...
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1answer
49 views

Eagle tstop and tcream layer values unable to change

In my eagle design )I added a package from eagle lib. to my own library. I need to change the default values of tstop and tcream for this package. I was able to change the left-side tstop and tcream ...
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3answers
139 views

Component with multiple VCC and GND pins. Should I connect all of them? [duplicate]

I want to make a really small arduino using the Atmega 328p and I noticed that it has 3 GND pins and 2 VCC pins. I measured the pins and it seems that all GNDs are connected and all VCCs are ...
4
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3answers
107 views

Eagle/Flatcam/LaserCNC: How to have “open pad” for futur drilling

I'm using Eagle, flatcam and a CNC laser machine. My problem is when I'm trying to export my board, all my pads are filled ! It means, when my board will be engraved (chimical method), I will not find ...
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4answers
71 views

In Eagle, red area(i guess top layer) doesn't appear when i click on ratsnets tool

After autorouter was done, i clicked on ratsnets tool and i expected top layer area to be seen, however nothing appears. This is my project. I expected to see top layer like in this picture after ...
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3answers
69 views

Why do smd components in eagle have padding?

I'm new to eagle and I don't understand why there is a small padding to the left and right of some SMD components (for example the 0402 cap in the image). Having the physical board in my hand ... ...
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0answers
41 views

eagle doesn't seem routing correctly

I'm trying to hand route my pcb on Eagle, but the yellow wires don't hide what could be the problem ?