Eagle is a low-cost PCB design software package.

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Orphan polygon not filling

I'm trying to have an area of my PCB with the same geometry on the top and bottom copper layers, but I'm having trouble with the polygon on the top layer. I placed vias on the bottom contacts (which ...
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33 views

EAGLE: Delete internal layers

I'm doing a Layout and I have some problems deleting an internal layer. As you can see in the pictures below I have 4 layers (1, 2, 15, 16). But somehow I also have a layer called Route 3 (3). I get ...
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20 views

EAGLE footprint not sizing correctly

So I had trouble in kicad printing a gerber file with a correctly sized footprint for a generic .1'' 2x20 pinheader. On advice, I switched to EAGLE but this time before I modified any of the parts, I ...
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78 views

How to test Eagle schematic design?

I am doing a project where I have to design a PCB. I am new in this field. I am using EAGLE PCB software. About my project: I am working on a project where I have to measure the environments ...
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27 views

Make a pad connect to two nets with different names in Eagle

I have a part that is an SMT 'jumper', it is unpopulated and you use it by bridging the pads with solder. I want to put a track from the pin pad to GND. But the pad pin needs to also go to an address ...
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32 views

Cutout a polygon from another in any layer in Eagle CAD part creation

I am trying to create a part with a bespoke pad. How do I cut one polygon (for where the hole will be) from the original pad polygon. I don't just want to make a dimension layer and let the PCB house ...
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156 views

Eagle: use device in schematic, but hide it on board

How can I hide a device on a board, but still use it in the schematic? For example, I want to have relays in my schematic which are on an other board, to make the schematic more understandable.
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22 views

Eagle Clearance Error on DS2784

I am using the CAD drawing for the DS2777 from Maxim Integrated. ...
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100 views

Is it possible to move names and parts separately in board edit mode in Eagle?

Most factory-created PCBs I have seen has part names aligned very accurate, without any overlap, without placing under the SMD devices, and so on. My question is - can I move part names separately ...
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46 views

CadSoft Eagle polygon won't reach pads in Molex library

I'm using the Molex 5569 library in CadSoft Eagle. When I create a polygon, it won't reach the pads at all. The problem occurs only with components from this library. Have a look at this screenshot ...
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31 views

Hide particular airwires/nets in eagle

Is it possible to hide particular airwires in eagle, without hiding all of them? So if there's a net I am not currently interested in, but it has a lot of connections, confusing where other airwires ...
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63 views

Cadsoft EAGLE Some objects extend outside the allowed board area

I'm trying to Modify an eagle file that I have, it's a relatively simple circuit and I'm using the free version of Cad soft Eagle to do it. One of the components on the board is a 4 pin plug, I'm ...
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40 views

wire bends in eagle

I am trying to do my first pcb design, using the freeware version of eagle 6.5. I will be making a single layer board using toner transfer. I did the routing of all the tracks, but didnt know better ...
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31 views

Package/Device for a component with duplicated pins

I have a L79L05 from ST Microelectronics, which has the following pinout: I have created a symbol and package in Eagle for that component. The symbol has three pins - IN, OUT and GND, while the ...
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1answer
97 views

Spark Core Shield PCB design review

I'm designing a PCB (a shield for Spark Core - microcontroller + wifi board). It is connected to 5 analog sensors (not on board, using 3pin header) and 4 relays (on board). Output(RJ45) and vias on ...
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2answers
38 views

Eagle cad replace command using command line

I am using Eagle Cad and changed my libraries to another folder. I needed quicker access. Now I have to update my components in my schematic and wanted to use the replace command from the command ...
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45 views

Custom package in EagleCAD not aligning to grid

I'm trying to make a custom package in eagle, and somehow the pads of my part got misaligned w.r.t. the grid. Is there any convenient way to correct for this when it happens? I know about the ...
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2answers
60 views

PCB designing: facing problem in connecting pushbutton

I decided to learned PCB designing using EAGLE 7.1.0. So I first of all I go through this video then through this video. Now I started designing a board for ATmega16 microcontroller. For this I ...
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61 views

How to deal with devices connected via a connectors in schematics?

I have a few sensors (potoresistor, temp sensor...) that connect to the board indirectly. The PCB will have a connector such as the molex 4pin fan connector that will in turn connect to the ...
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68 views

Custom Eagle Part has isolation built-in?

I've just created the footprint for a QFN-56 8mmX8mm to be used with the TLC5958. It seems like there is some sort of isolation built in to the center pad and I cannot figure it out. In the image ...
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35 views

Eagle libraries for Automotive Header connectors

I am working on a diagnostic tool for automotive application that will be able to check wire integrity and offer a very quick way for technicians to know if there are any physical wiring faults while ...
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1answer
69 views

How many AVR's on an Arduino Leonardo?

What is going on here? According to the circuit diagram there are two microcontrollers (U1 and U2, with slightly different partnumbers) on the Arduino Leonardo, but when I take a look at the PCB I can ...
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648 views

What are some tips to routing a one sided PCB?

I'm having trouble routing this PCB in Eagle 7.1: I have tried the following: Autorouting - it could not complete Moving components around Manually routing - I always ended up getting stuck ...
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1answer
36 views

Need some help learning to make my own parts in Eagle

I am extremely new to using Eagle (or creating circuits in general). I've been searching around online for tutorials on making your own parts in eagle. However, I still have a few questions and I was ...
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75 views

RJ11 socket in Eagle libraries?

I am trying to add RJ11 (telephone wire) sockets to my PCB on Eagle but am having trouble finding it in the libraries. Is this a standard socket that is included or do I need to install some external ...
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1answer
162 views

Ok, EAGLE eyes… what am I missing here?

Ok, so most of my schematic is completed, and I've cleared all the ERC checks but this one. I don't seem to see what the problem is. all the positive powers are connected using the same (copy paste) ...
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39 views

Custom device with multiple gates tied together in Eagle

I'm trying to create a transistor array device in a small library I'm working on in Eagle. The device has five P-Channel MOSFETs. The source of each MOSFET is internally tied together and connected to ...
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23 views

Problems with hole.lbr Eagle

I am simply trying to make two holes in a Eagle schematic using holes.lbr to connect two wires to. It appears as though I cannot connect it to any part, I have tried using the net, wire and junction ...
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44 views

Eagle Freeware - definition of 'signal layers'

According the the Cadsoft website, Eagle Freeware supports '2 signal layers'. Am I right that Cadsoft includes power and ground layers in their definition of 'signal layers'? In other words, am I ...
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48 views

Adding a Logo to the Eagle Board file

There are instructions out there on the web on how to import a Bitmap file into Eagle CAD and it's an option in the "File" menu so it should not be a problem. I'm going through the process and finding ...
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1answer
75 views

How to place a hole at an angle in Eagle

I am trying to create my own package in Eagle 6.6. I have to place holes at specific angle of 36 degrees. I need to place 10 holes on the circle with an angle of 36 degree to each hole. The package ...
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32 views

Scripting via in Eagle library

I am trying to create a custom library part in Eagle and I am having trouble scripting vias. I get an error saying that vias can only be created for boards. However I can manually place them with my ...
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301 views

Stop mask errors in DRC

I'm doing my first board in Eagle (first board at all, actually) and am getting a lot of stop mask errors around parts that I'm using out of the Nordic and Adafruit libraries. Every point of ...
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223 views

How to convert files from Cadence to Eagle CAD?

Is there any free software that can convert Cadence files (.dsn, .opj, .brd) into Eagle CAD files (.brd, .sch)?
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51 views

How do I duplicate a part in eagle?

I just modelled a P-Channel MOSFET in Eagle and now would like to do duplicate the device to make slight changes to both the symbol and the device for a similar N-Channel MOSFET. I've searched and ...
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96 views

Which layer of PCB is used to identify cut-out of individual boards within a panel?

Let's say I'm using a software like EagleCAD to create a panel with a few copies of a design (or even different designs). There is a "Dimension" layer (mapped to an Outline layer, e.g., GKO), but ...
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2answers
186 views

Are there Atmel and PIC libraries for Eagle?

I am using CadSoft's Eagle library with added libraries from Adafruit. However, I still see an overwhelming lack of modern Atmel products in the component list. I'm relatively new to Eagle so I ...
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62 views

Multiple traces for single connection in Eagle

I'm manually routing a power distribution network in Eagle, and am trying to follow the IC vendor's recommendation to attach vias to the power plane both left and right of the bypass capacitor's ...
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1answer
47 views

Can I change the size of a symbol in EagleCAD?

I am new to EagleCAD and I just finished generating a new complementary MOSFET in a TSOP-6 package. Everything was fine until I pulled the new component into my schematic and realized that it was way ...
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1answer
41 views

How to use high and low naming with negation on Eagle

I noticed it's possible to give present a negation value by calling a variable the following: !A However I'm trying to imitate an existing part where A has the header line, and B doesn't and it only ...
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1answer
116 views

High voltage/current design on PCB

I am building a circuit that allows me to control a set of light (more specifically Christmas lights you see in supermarkets) with relays (AQH 2223). My idea is to have the controller input on one ...
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1answer
171 views

Which Eagle part to use for this 2-pin Screw Terminal?

This is my first EAGLE design and I'm looking to add some a number of 2-position screw terminals (3.5mm pitch) PRT-08084. Problem: I can find the EAGLE part for ...
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1answer
35 views

EagleCAD Device Dimension layer

I am creating an Arduino compatible with minimal parts (ie chip, caps crystal) and since it was available from Adafruit's EagleCad library decided to use the Arduinor3-noioref component for the pad ...
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1answer
52 views

How to view Eagle gerber files in ViewMate?

I'm trying to view my gerbers generated from eagle (using SparkFun's CAM file) as I and cannot get the drill file to import correctly for some reason. When I drag the files into ViewMate, I choose ...
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171 views

Eagle library for MCP2551

I need to make a PCB, and the only software I have is EAGLE. All the other parts are listed in my libraries, but where can I find a library that has MCP2551 (CAN transceiver)?
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454 views

Need help finding PCB components on DigiKey

I am looking at the TinyDuino Schmatics (PDF) and Eagle BRD/SCH from Tiny-Circuits (an open source project) to put together Bill Of Materials. I am interested in creating my own version of this ...
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2answers
287 views

Bypass capacitor placement in Eagle

I've just placed a large FPGA in a QFP package with 144 pins in the middle of my board, and would now like to add bypass capacitors on the power supply pins. The power and ground pins are either next ...
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2answers
95 views

How to know which side of the terminal block on pcb drawing

I'm planning to use Seeed's PCBA Prototype, where they request to use their open parts library(if you want them to solder the parts for you). I came across their screw terminal block(part 3470070P1). ...
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95 views

Confused about Eagle libraries (can't add parts I see in control panel to schematic)

I want to add a diode with an SOD80 package to a schematic. In the Eagle control panel under diodes.lbr, I see a part named SOD80C: Question 1: I'm confused at this point. Am I looking at a device ...
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162 views

Searching Eagle library issue

I am new to Eagle (using 6.5.0) and I have huge problems with search in library functionality. If, for example, I want to search for LM358, and I type just 358 in the search field, it doesn't find ...