Questions tagged [eagle]

EAGLE is a low-cost PCB design software package.

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2answers
39 views

Where is the correct place for a body pad of a TO220 linear regulator in Eagle

In my two-layer pcb design I have an LM317 with a TO220 package. I took the generic TO220 package from the default "linear" Eagle library which does not have a polygon copper pad under the body of the ...
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1answer
132 views

Ground planes in Eagle PCB

I have designed a PCB in Eagle. I have doubt regarding creating the ground planes. I have created a ground plane on the top layer only But I even have connections in the bottom layer too which are ...
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1answer
35 views

How to delete graphics from PCB board view in Eagle?

I am making my first PCB, and I have a numpad and a 16x2 LCD in the schematic. When I go to make the board, it also brings in the graphics along with the pins, but I will not be soldering them ...
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2answers
128 views

Is there any PCB design software/extension that can do automatic components placement?

I made a lot of home made PCBs, but I have a great problem concerned about the design, I am just an electronic hobbyist at school so I don't have that mind of electrical engineer to place components ...
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1answer
21 views

How to change the highlight color in Eagle when using the show command?

I want to use "show GND" and have everything highlighted show up purple. How do I achieve this?
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1answer
53 views

Is there a rule of thumb for choosing polygon width?

I am currently using the same width as the smallest wire inside the polygon, is this too small?
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1answer
45 views

Hidden airwires in Eagle …?

I have designed a PCB using Autodesk Eagle. After I routing the PC and check for errors from Tools -> Errors, there are lot of airwires (31) like below. But, I couldn't find any airwire. How to ...
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3answers
231 views

What are the common footprint naming conventions

This question is ultra verbose, but I'm doing this in an effort to help other newbies (like me at the moment) as they first get into a CAD program like eagle. In the past when I've been new to a field ...
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1answer
79 views

Altium PCB design [duplicate]

I designed a schematic diagram to design a PCB. But when I want to update the PCB from the schematic, there are several errors. I can't determine the problem.
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20 views

Molex USB Micro AB Eagle Package

I am creating a package for Molex's MicroAB USB 47590-0001 component because I could not find one for Eagle. My question is will this work to create the custom slots as seen in the datasheet? I've not ...
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25 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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1answer
84 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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48 views

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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34 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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2answers
38 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
48 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
54 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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1answer
70 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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0answers
25 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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0answers
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
37 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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2answers
93 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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1answer
21 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
59 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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2answers
48 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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2answers
254 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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0answers
37 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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1answer
50 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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134 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
113 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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1answer
83 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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1answer
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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1answer
14 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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3answers
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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3answers
62 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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0answers
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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0answers
155 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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2answers
106 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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0answers
195 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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1answer
48 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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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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2answers
83 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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0answers
45 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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1answer
109 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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0answers
37 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 ...
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1answer
41 views

Eagle create board from schematic is missing some parts but ERC says they are consistent

I have capacitors C1 through C6 on my schematic, and if I type MOVE C2 into the command line it grabs that capacitor. But on the board created from my schematic, it is missing C2 and C3 and no other ...
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3answers
165 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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1answer
39 views

Create new component based on existing one in Eagle 9

How can I create a new component in Eagle 9 based on an already existing one? It used to be a relatively straightforward endeavor in all the previous versions prior to v9.0 but the process seems to ...
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40 views

Eagle right angle bending wire

How do I make sure wires go over the grid when drawing a schematic(Not layout) in Eagle? i.e they always bend at a right angle
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20 views

Eagle ULP to merge different connections on pin and pad

Currently I have a board and schematic in Eagle 7.x that are inconsistent due to a block copy. Basically, when I copied the schematic, all the net names stayed the same, but when I copied the brd, the ...