Questions tagged [eagle]

EAGLE is a low-cost PCB design software package.

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22 views

Eagle CAD micro Thermal Visa

To put a thermal pad in Eagle you just put a via and connected to ground or change the name to GND, my question is how can we make thermal vias similar to the below image (via without copper on top or ...
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142 views

How can I adjust my IC placement further to route properly?

I've been trying to place my ICs properly to allow the autorouter to route the ICs with no success, I'm a total beginner at this and I tried routing manually with no success, any hints? The board is 1 ...
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61 views

PCB: ground plane thermals (in Eagle)

In a previous iteration of a PCB layout, I added a ground plane fill as recommended by many tutorials online (eg Sparkfun). By default Eagle creates thermals to ease soldering to the ground plane, but ...
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81 views

Can Vias be used on the board for branching tracks?

I need to split the RST line in two directions and also connect it to the opposite layer of the board. I did it like this: Is branching the RST line the right decision?
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Create Nixie tube pin connector socket in eagle cad

I am unsure how to properly layout a socket for a nixie tube in eagle cad. I'm especially unsure how to match the exact dimensions and what tool in eagle to use to create a hole with copper on both ...
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163 views

Eagle PDF Out Print

How can I print a PDF with defining how many pages I want to print out. The option (Page: From/To) is disabled and it prints the blank page as second page (completely useless, my customer may think I ...
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30 views

Eagle Net classes not working

I am trying to modify my Net Classes to be wider to run AC current through. (25mil). However, when I add a new class and then try to autoroute it doesn't use that new class. I get an error saying The ...
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37 views

Allowing redundant tracks in EagleCAD

I have a 2-layer PCB, where I'd like to connect the top and bottom layers of two pads with a trace. However, when I try to connect one layer, the other layer simply disappears, as shown below, where I'...
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1answer
44 views

Make a caption n a copper layer in eagle

Read all the internet but cannot find how to make a caption on the copper "ratsnest" (either top or bottom) in Eagle. I want to make it "negative", i. e. no copper where letters are supposed to be. ...
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1answer
50 views

4 layer stackup Eagle

Can someone explain to me how I can change the layout order of my 4 layer board in eagle. I'm sure this is really a silly question, I'm coming from Kicad so I'm a bit green here. It's not obvious ...
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111 views

Name of these connectors

I am designing a PCB Schematic and I need to find these two components. Could anyone please tell me which components are these? 1 Also, I am making a circuit with 3 multiplexers so the idea is to ...
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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 "...
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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
69 views

EAGLE - VIAS are smaller on the screen than in the actual gerber

Hi I have upgraded EAGLE to 9.5 and have one quite serious issue. The VIAS are displayed smaller than in the actual gerber file or manufacturing preview. Do you know the option which will force Eagle ...
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23 views

EAGLE. Differential pair routing. Width of the track changes after first change of direction

I try to route differential pair of tracks. When I click the mouse to change the direction it also changes the width
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25 views

Eagle Via Pairs From/To Different Layers with Through Holes only

I am using Eagle 9.5.1 premium and I cannot figure out how to create a layer stack to use Via pairs from (say we consider a 4-layer PCB) 1-2, 1-15, 1-16 using only through holes, since my design ...
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1answer
33 views

Create open copper plane in EAGLE

I need to redesign an old PCB and for that I want to put down a open copper plane that won't get covered by solder mask. I tried it by creating a rectangle in the 'Pads'-Layer. The PCBs just arrived ...
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1answer
20 views

Eagle: Alternative to Pinswap for GPIO expander

I'm working on a PCB which is basically multiple MCP23017 GPIO expanders driven from I2C. As I layout the board (in EAGLE), I frequently find places where using different IO pins would avoid vias and ...
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1answer
37 views

How to place through solder pads of different shapes in EAGLE?

I searched everywhere and watched many eagle tutorials, but I couldn't find out how to place circle and square through hole solder pads. In the Eagle parts list, I only found the octagon solder pad. ...
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43 views

When making power polygon , making polygon on the smd-pad has any problems?

I'm now making 4 layer PCB and my PCB has one Power plane (L3) and one GND plane (L2). Now I just make a connection with inner layer (L3) with Top plane(L1). At this point, I'm curious that what is ...
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221 views

Heat sink via holes under voltage regulator LM2596

I am designing a board with LM2596 voltage regulator (12V/5V 3A) I want to make heat-removing holes under the microcircuit. For this, I decided to use via holes. The board has two layers. The ...
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2answers
259 views

With the Eagle Auto Router, how can I route all signals expect for ground airwires?

I don't think there is a built in way to do this, but is there a workaround? If I just auto route, the ground connections are routes as well, but I want to use a ground plane primarily for the ground ...
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1k views

Eagle PCB supply symbols in a multi-voltage system

Supply symbols signify vdd and gnd and perhaps vdd, gnd and vss in dual supply system. However, in a situation where one has +5V, -5V, +3.3V, 1.8V, Analogue ground and Digital ground, what should one ...
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1answer
4k views

How to set polygon clearance around the edge of the board in Eagle?

I created a polygon that I intend to use as a heatsink. The problem is that there is a lot of clearance at the edge of the board, much more than around traces even, why is that? How can I set board ...
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250 views

Hole partially through PCB

I'm trying to make a hole partially through a PCB in Eagle to allow a reverse mount led to shine through to the other side. I got this idea when I saw a torch shine through a pcb where there was no ...
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36 views

EAGLE SMD Overlap

I have created a footprint for an SMA-Connector like this: The footprint looks like this: There are 3 SMD-Pads on the Bottom Layer and 2 SMD-Pads on the Top. The SMDs on the outside overlap with ...
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41 views

Are pads from the EAGLE “testpad”-library printed?

just a quick question. Are EAGLE "testpad"-library printed or seperatly bought and mounted? E.g. "testpad / PTR1" TEST PIN Footprint: B1,27 (Version 1) TEST PAD 3D Package: B1,27 (Version 2) TEST ...
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67 views

How to use this breakout board in eagle (LORA RA-02, breakout board)?

I would like to use this LORA RA-02 breakout board in eagle. I do not find this part in eagle library. This has 8 male pins and the distance between two 8 male headers is about 1 inch (25.4 mm). This ...
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1answer
82 views

Placement of the microcontroller on the back of the board with LEDs

I am designing a board with 9 SK6812 LEDs. On the back of the board I want to place the Atmega328P microcontroller. I have doubts whether the heating of the LED can affect the operation of the ...
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39 views

EAGLE - StopMask DRC Error

I cant understand what this DRC error means. Especially I do not understand this box. Does it mean that the Soldermask will cover part of the pad? How to correct it?
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39 views

Eagle UI: separating hundreds of components that are stacked on top of each other

I finished a complicated schematic in the free version of Eagle, switched over to the board editor and was encountered by this: In case the image doesn't say it all, there are about 100 components ...
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1answer
13 views

Eagle UI: updating silkscreen of library component

I just finished a schematic in the free version of Eagle that contains 20+ 0402 resistors and about a hundred 0805 capacitors. I switched over to the board layout and found that the footprint of all ...
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1answer
581 views

How to disable/overwrite tStop overlap/conflicts detection in eagle's DRC?

please refer to the image below for the overall idea: In eagle, there is a layer called "tStop" and with its counterpart for bottom layer being "bStop". As I manage to gather, it's some sort of mask ...
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60 views

How to prevent voltage regulator board heating up and how thick traces should be?

Im designing a DC-DC voltage step down regulator based off of a switching regulator IC from texas instruments. I have designed the schematic and board accordingly and it should be able to supply 5A at ...
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106 views

Why does SOT89-ECB footprint exist?

Because of an oversight a part that has a footprint SOT89-ECB (PNP-BJT), ended up on my board, but when I tried to find a transistor that actually has compatible pin configuration I came out with ...
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1answer
1k 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: ...
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110 views

Gerber viewer confusion - missing traces

I'm not sure about my gerber files. I guess there is something wrong. In different gerber viewers the PCB looks right. But in online viewers from JLCPCB and PCBway, the bottom view looks wrong. Some ...
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61 views

Eagle Drill vs. Diameter Parameters when making Through Hole Parts

I am working on making footprints in Eagle for a through-hole connector I want to use. I am running into some issues as I try to determine the appropriate diameter and drill size I need for the ...
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95 views

Importing EasyEDA project to EAGLE

I have a problem with uploading my EasyEDA project to EAGLE. Is there a way to open project from EasyEDA in EAGLE, I'm unable to find anything about it. EasyEDA exports files in .json format.
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360 views

CadSoft Eagle - How to select all via based on a specific drill size?

I want to use either ULP or certain menu function to select all vias with certain drill size, how do I do that? I've googled the solution but as what you often get with searching eagle related topics, ...
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208 views

Eagle keyboard shortcuts getting deleted

Every time I open Eagle, all of the keyboard shortcuts that I had previously assigned are lost. A web search on how to fix this, or other people reporting this problem has turned up null. Anyone ...
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1answer
33 views

Connect multiple source pins together to power signal in Eaglesoft

According to PCB shown below, I have a bunch of MOSFETs with HSOF package with 7 pins of source for each and failed to connect EVERY pin to the connector. In other words, when routing the source ...
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1answer
38 views

Through hole via isolation in Eagle CAD 4 layers board

In Eagle CAD, in a 4 layers board (signal-ground-power-signal) how do I avoid that a through hole via from, for example, the top signal layer to the power layer is electrically connected to the layer ...
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2answers
68 views

Charging a capacitor in Eagle SPICE

I'm trying to learn the basics of Eagle SPICE simulation with a simple capacitor charging circuit. My netlist is as follows: ...
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3answers
110 views

How to remove solder mask in Eagle

I want to remove solder mask in particular area for mount a TO220 package. As shown in below image I want to mount the 7805 using a M3 nut and need to remove solder mask only in covering area. (like ...
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31 views

Simulating a specific LED on Eagle through NgSpice

I was trying to simulate a current mirror circuit for a parallel set of LEDs in a project that I am undertaking. However, before actually working with real parts, I wanted to simulate the circuit in ...
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48 views

Eagle Library Missing Micro b Connector?

I'm not sure if this post belongs here or in another community but here we go. I'm working with Eagle cad (pcb) and i'm looking through the libraries and I couldn't find a single MICRO b usb connector....
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270 views

Cleaning up GND/PWR-plane air wire errors in EAGLE + bonus questions

So I've just finished up my first complete PCB board. The layout is 4-layer based, set up as ((1*2)*(15*16)) ---not sure if it should be ((1+2)*(15+16)) or ((1*2)+(15*16)) instead, please advise--- ...
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215 views

Overlap error (PCB design) using Eagle

The picture shows an overlap error. I am unable to resolve this error and need to know if any rules are broken? The component is a flip-flop resistor (0805-THM, AdaFruit). Wherever I used this ...
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35 views

Eagle; Renumber Parts deletes everything in my schematic

I tried to use the renumber parts tool on my schematic (with default settings) and it deleted everything, leaving an empty schematic behind. There are some user defined parts in my schematic, but ...