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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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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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45 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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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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36 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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43 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
49 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
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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2answers
60 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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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
36 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
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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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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40 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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65 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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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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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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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
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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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
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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105 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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106 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
60 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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90 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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37 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
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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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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47 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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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 ...
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1answer
36 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
108 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
37 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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39 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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18 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 ...
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2answers
41 views

connect pad inside component symbol

I'm trying to connect A4 to pin 5 in 6050 in the picture. When I click those with the net tool, it also connects A2, which is not what I need. If I use the delete tool and erase the junction, they ...
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1answer
50 views

DUE schematic doubt Altium

I have the schematic of Arduino DUE for EAGLE software, I found a part I dont know what means for Altium Software. Can somebody tell me what is it "ETH" ? A header?? Arduino Due schematic I found ...
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69 views

What is this symbol in Eagle and equivalent for altium

I only use Altium Designer. Today I found an arduino due schematic for Eagle PCB Design Software and I saw a symbol I don't know. What is it, and what is the equivalent in Altium Designer? Is it a ...
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1answer
55 views

ssd1306 (30 pin) oled display eagle library

I am designing an electronic project in Eagle PCB software. The project having a 30Pin SSD1306 Oled Display. I searched in the internet for the eagle library and i cloud not find a matching one. The ...
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2answers
46 views

Eagle automatically making connections to layers of PCB?

I'm designing a 4 layer PCB, using positive and negative power planes along with a ground plane and a top signal layer. While making the schematic I've notice strange little Xs in some of the through ...
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18 views

EAGLE 9.3.0 - No mapping errors - How to solve them?

I've created a preliminary schematic without any package, because at drawing phase were unknown. So I've used "EXTERNAL" attribute to my devices to allow me to add them to schematics. Now I've added ...
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70 views

It is possible to rotate the PCB view in Eagle?

I do not want to rotate the parts (that is easy by selecting all and click on rotate icon), only the view.
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1answer
65 views

EAGLE 9.4.1 How do I autoroute a range of signals?

I have a board with three 32 input analog multiplexers, along with more components, connected to a 96 way DIN connector. How do I manually tell the autorouter to select only the muxers signals? I ...
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1answer
56 views

Questions about transition holes on the pcb board

Questions: 1) Is it possible to connect tracks of different sizes using a via? Example: on the upper layer 0.8128 on the lower layer 0.6096. The size of the drill is 0.6mm. 2) The larger the size of ...
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85 views

Checking my mpu6050 schematic

I am fairly new to pcb design and I just created a mpu6050 chip that will work with an Arduino microprocessor. I want to make sure the hookup is all correct before I start work on the other parts, as ...