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Questions tagged [eagle]

EAGLE is a low-cost PCB design software package.

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6answers
2k views

EAGLE Square hole

I want to make a square hole in the middle of my PCB, but when I choose to make a drill or hole is only a circle! Isn't there a option or a ULP file that allow me to do a square hole? I can't find ...
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1answer
141 views

Need Help Understanding Eagle Ground Plane

I am creating a pcb board on eagle for a Texas Instruments boost converter and I am experimenting with the polygon feature. Through research on the web I have leaned how to create a ground plane ...
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3answers
1k views

Implementing a good connection for pogo pins in eagle

I'm currently working on my very first SMT PCB, and would like to connect a number of PCBs to the main PCB using spring loaded pogo pins like these: http://uk.farnell.com/harwin/p19-2221/probe-convex-...
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4answers
506 views

Creating an Assembly Drawing for Fabrication Houses

I have a design for a PCB that I have been thinking about producing. One thing that I have found is that I need is something called an assembly drawing. So far, all I have been able to come up with is ...
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1answer
146 views

Why did this “backwards” power jack pass ERC in EAGLE?

As will become obvious, I am new to Eagle and PCB layout. I set out a simple design, starting with a power jack. The power jack seems to clearly have a "+" terminal labelled, so I connected that to ...
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1answer
552 views

How to wire up a BNC Connector in Eagle

Good day! I am in the process of adding some right angle bnc female connectors onto my PCB but I have no idea how to decipher the schematic file and have no idea which pins connect with what. The BNC ...
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1answer
44 views

Eagle ground consistency

I am designing a two side PCB in eagle. I have placed top and bottom ground pour. After using the autorouter, the ground islands have very little connection to each other, and there are completely ...
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0answers
467 views

How to remove an unused net class that eagle thinks is in use

I'm currently doing a very complex circuit board in eagle. Currently I defined 7 classes of which 6 I am using. the seventh I want to delete since I no longer need it. First I tried the command "...
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0answers
27 views

Modifing Ground plane in eagle PC [duplicate]

Once I establish a ground plane in Eagle PC, how can I relieve it(remove spots locally) such as under smd caps in a filter circuit to avoid impedance change. Andy-KM4TRT
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0answers
43 views

Why are my traces in eagle highlighted after I moved a component?

Good day, I am currently working on a PCB in Autodesk Eagle and was almost done routing when I had to move a component and now I have all these traces that are highlighted with lines and I don't know ...
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1answer
91 views

How to set the width of all the traces together to the desired value before using autoroute option in Autodesk Eagle?

How to set the width of all the traces together to the desired value before using autoroute option in Autodesk Eagle? every time I use autoroute, the trace width is by default set to 0.0154mm. I have ...
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3answers
254 views

How can I align the PCB and the polygon?

As you can probably tell, I'm new to PCB design and recently did a design of a DIY circuit. Everything looks acceptable (to me), however for some reason I cannot align the PCB edges to the polygon ...
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2answers
2k views

How to properly define BGA footprint in Eagle?

This question is somewhat relevant to this one. However I am sure it well deserves to be separate. I created a custom device/symbol/footprint for an ARM MCU. However I am doubtful whether I created a ...
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1answer
643 views

How to split custom device symbol into separate parts in Eagle (within a single footprint)

So I am working on a complex design that includes a BGA device with rather large number of pads that are grouped by functions (an ARM MCU and groups are MDIO, MMC, SERDES etc). This is my first ...
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1answer
266 views

Eagle Ground Pour Fills Drill Hole

I use Eagle to design my own home etched (typically through hole) PCBs. On this particular board I use a ground fill and I've removed the thermals on the grounded pins because (funnily enough) I find ...
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5answers
1k views

In this schematic how are the caps such as C5, C6, and C9 connected? They are just going between my power source and ground?

I was told C6 is a bypass for the oscillator(X1). Now I have been building this circuit and I understand that in Eagle grounds are connected automatically and so are voltage sources without having to ...
17
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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 ...
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2answers
111 views

why are there unused vias in eagle design

I have this design I grabbed online, and when I load it up in eagle and run a DRC, it gives me a bunch of airwire errors on vias that appear to serve no function. Are they just ones the designer left ...
4
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1answer
3k views

How to import PCB outline into Eagle [closed]

I am designing a PCB in Eagle, however my PCB has a bit of a complicated shape which I can not design directly in Eagle. I want to design it in a simple CAD software and would then like to import it ...
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2answers
116 views

stop mask error remains after deleting offending text in eagle

I ran the DRC for dirty pcbs, and it's giving me these stop mask errors for values assigned. In this particular example, It's D1 with a 4148 label. In the first image, you can see the 4148 value ...
4
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1answer
1k views

eagle library--updated footprint wont show in board

I initially created a part in an eagle library, but now I need to change the package layout. I have already put the initial part in an eagle schematic, so removing/re-inserting it is not an option. So ...
0
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1answer
72 views

Question regarding dimension when creating an EAGLE Footprint

Hi so i was trying to create a footprint based on this dimension. But i'm not quite sure what these two numbers mean exactly? Are they MAX/MIN? Which one should i use? Thank you!
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1answer
80 views

Eagle create library remove “direction” in symbol

I am making a library in eagle, and I am currently working on the symbol. I made pins, but they all show a small "direction": which shows up in little green lettering next to the pin, like this: I ...
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3answers
915 views

Is it okay to use wider trace than actually required while designing a PCB?

I used eagle to recently, design a board with all trace widths 30 mills except a few as 20 mills. I actually didn't require traces this wide and 15 mills would probably have been enough. Does this ...
2
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2answers
2k views

Is low pass filter more commonly used than high pass filter?

I have heard my teacher saying** that low pass filter is more commonly used than high pass filter because in high pass filter, frequency increases with gain and thus noise also increases and thus it ...
2
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3answers
3k views

Eagle: Connect polygons / ground planes

How can I connect polygons 1 and 2 together? It tried to make a trace + vias between them, but Eagle won't let me create a trace on a polygon.
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1answer
146 views

USB Communication Failure [closed]

I have built two custom Ardunio Micro's. One works perfectly, while the other will not connect via USB. After much testing, I have figured out that it seems to be a poorly routed PCB on my part (I ...
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2answers
1k views

Large via vs several small vias for large current

I'm currently routing a board and need to supply 12A between a current sensing IC and an ESC. Due to size constraints I cannot have both the decoupling capacitor and IC on the same side of the board. ...
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0answers
118 views

Schematic review of power supply

Would you be so kind to point out any errors in this schematic or anything else to improve (layout and clarity also greatly appreciated). This is supposed to be the power/regulating/batterycutoff ...
1
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1answer
96 views

EAGLE Reference Layer

The EAGLE docs says the Reference layer (#49) is for "reference marks". Is this referring to mechanical data for automated assembly such as fiducials and component outlines? Or is it something else ...
1
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1answer
138 views

I want to design a spacer pcb with no copper on either side

I want to design a 2.5" x 0.7" spacer pcb in the free version of Eagle, with no copper or components on either side with four (unplated) 0.116" diameter holes. Eagle won't generate a board if the ...
1
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1answer
252 views

How to make a non-conductive filled via in EAGLE PCB

How do I make a via that is filled with a non-conductive material in EAGLE PCB?
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1answer
292 views

Eagle PCB design how to make flat pins for the power socket

All the Eagle libraries I have found have round small holes (like for the THT resistors or capacitors). But most of the available ones have flat pins (like this one): My question is: How to create ...
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0answers
47 views

Grouping SUPPLY in Eagle

I'm designing my first schematic in Eagle, with the aim of getting some PCBs produced. Been perfboarding for a while, but new to using Eagle. I've designed a schematic: I know it's kind of messy, ...
1
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2answers
85 views

Setup for TPS78001 voltage regulator

Bear in mind, I have zero electrical background, this is just a hobby so correct me if I make mistakes. This question is part of my journey trying to create my own pcb. I want to create a power ...
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2answers
485 views

Designing circuit in Eagle with two boards and ribbon cable

In order to fit my circuit in my enclosure neatly I need to create it as two PCBs connected by ribbon cable. It's logically one circuit. It certainly makes sense two design it using a single schematic....
1
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1answer
595 views

Duplicate manual routes in EAGLE

I am designing a PCB with many pairs each consisting of an IC and a pin header. The autorouter does a lousy job, but I found good manual routes for one pair. How can I route all the other pairs the ...
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0answers
328 views

Through Hole Plated Pads

I recently made a small board in eagle (my computer wasn't able to run circuit maker) and I sent the board to be manufactured. It was a simples 2 layer PCB. I noticed that the vias connecting top ...
1
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1answer
397 views

EAGLE restrict area isolation [duplicate]

Hi, in my circuit I made ground plane and inside of it I need clear area without copper for anthena. So I have created polygon in tRestrict layer and used Ratsnest for reconection. It worked, but not ...
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4answers
373 views

Are the DRC errors in eagle software really important?

I am new to eagle Software and designing few development boards. When I finish my design and check for DRC Errors, I get lot of Dimension and overlap Errors. Components like spark fun SMD Crystal has ...
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1answer
260 views

Intersect Off-Grid Wires in Eagle PCB

When working with surface mount components with different pitches, or with mechanical dimensions on different grids, the situation inevitably occurs that you have two wires or lines that need to be ...
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3answers
4k views

Need help making an STM32 development board

I have been playing around Arduino and wanted to make my own development board for a long time. I have decided to use the STM32F103C8T6 microcontroller for this. But being relatively inexperienced in ...
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3answers
257 views

Eagle polygon fill overlaps pad on edited component

I am using Eagle version 8.4.0 and I am having a problem with a component that I edited where my ground fill is overlapping the pads. The component is an LM78xx from the Sparkfun library. I changed ...
2
votes
1answer
364 views

How to separate ground pour from ground traces in Eagle?

I'm designing a board where I have ground pour at the component side. I'm using plenty of decoupling capacitors. The problem is that the ground pour "consumes" the ground traces like this: Is it Ok ...
0
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1answer
405 views

Invalid nets in Eagle PCB board project

I'm designing a small home weather station. I've got a bunch of popular sensors like BMP180, DHT22, DS3231 clock and so on. Luckily most of them are I2C, so I won't have to use too much wires, but I ...
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0answers
396 views

Eagle: LD1117 from Sparkfun library has wrong pinout?

I did insert in schematic the LD1117 V3.3, from Sparkun library. I need to convert 5V to 3v3. Device selected is V_REG_LD1117VXX, package 78XXL. I want use it for LM1117v33 (or LD1117V33). This is ...
2
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1answer
337 views

Are copper pours hidden by default in EAGLE?

I'm looking at the EAGLE board file from the Arduino wiki page, and I feel like I must be missing something - none of the ground pins of U1 appear to be connected to anything: As you can see, the GND ...
2
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2answers
176 views

KiCAD - Automating library part creation

I started a project in EAGLE, however found that the free version limits were too restricting. I then moved to KiCAD. I am trying to create a 144 pin chip as a library component for use in Eeschema. ...
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1answer
108 views

Eagle Cad: Library package appears different when placed on pcb

I placed a device and package on the schematic and board. However, the package appears different on the pcb, and generates DRC 'dimension' errors. The package is a 3-pin sip, Allegro Micro Hall-...
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1answer
269 views

in Eagle, how to exclude SMD pad from the tCream layer

In Eagle, how do you exclude SMD pads from the tCream layer such that in gtp there is no pad there?