Eagle is a low-cost PCB design software package.

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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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39 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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2answers
50 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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32 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 ...
4
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1answer
61 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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581 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
25 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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3answers
37 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
155 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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1answer
25 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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19 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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2answers
40 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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41 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
71 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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0answers
31 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 ...
5
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1answer
85 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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0answers
94 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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1answer
48 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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77 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
97 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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2answers
55 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 ...
2
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1answer
43 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
37 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
97 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
93 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
30 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
46 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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127 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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3answers
423 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 ...
3
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2answers
266 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
84 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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1answer
72 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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1answer
99 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 ...
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28 views

Eagle: IC package variant, different pins bonded out

I'm trying to create an Eagle component for the Altera EP4CE22, which comes in BGA and SMD packages, where different pins are actually available on the outside of the package. Is it possible to reuse ...
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1answer
75 views

Eagle: Pins on FPGA exchangeable, depending on configuration

I'm trying to do the PCB design, using Eagle, for a small board with an FPGA that basically just routes the I/O lines to the outside. So, for the purpose of routing this board, the pins are basically ...
5
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1answer
73 views

Eagle - How to make the router ignore internally connected pins (in a package)

I have made a tactile switch package and as the picture shows pin 1 and 2 are internally connected, same for pin 3 and 4. The package have 4 pads and the symbol only 2. I have connected pads 1+2 ...
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1answer
60 views

Plated hole without circles on layers

I am a beginner on Eagle. I want a make a plated hole on PCB but no any pad on top or bottom layers. Or, a plated hole on PCB but bottom and top layers are electrically isolated. Another variation is ...
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1answer
120 views

EAGLE schematic capture and board layout problems

I’m about to start the manual and then auto routing process of my schematic see the following link for my schematic but before doing this I’ve read quite a lot on different bits of advice on ...
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1answer
171 views

SMT packages library in eagle

I can't find eagle library with "empty" smd/smt packages. I found THT packages in ic-packages.lbr. Where I can find SSOP, TQFP and other smd packages?
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1answer
87 views

How to create tag type of label in Cad Eagle? [duplicate]

I can't get my copy of cad eagle to create tag type of label for a wire or a net. Instead I get simple text type of label. GND label is what I am trying to get. I have tried turning xref on and ...
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1answer
66 views

Problem with massive gerber files from Eagle

I'm trying to export an 8" square design that is mostly copper to a gerber file but the board house is complaining that the front copper layer is crashing their software since its about 14mb. Is ...
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2answers
252 views

whatis the difference between mounting holes and through holes?

I am new to pcb design, and I am using eagle for this purpose. I am confused by mounting holes and through holes. They are all holes, what's the difference? In eagle, layer of drills(layer 44) is ...
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1answer
34 views

CAD Eagle difference headers

I am trying to figure out difference between these two header types. One appears larger than the other with names differing by 'RA' at the end.
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1answer
73 views

Eagle PCB: how to get BOM from a library part?

I am using a library part in my Eagle PCB schematic. I would love to learn more about what's inside / what sub-components the library owner used to make it. Is there any way to do this? For example ...
2
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1answer
150 views

Eagle How to flip a symbol?

Eagle 6.5 Schematic I want to be able to flip a logic or op-amp symbol (that is, mirror it about the X axis), but I can't find any UI button or menu item to do that, and it's not mentioned in the ...
2
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1answer
190 views

Eagle PCB: “No Supply for Power Pin …” error

I am new to Eagle and trying to wire up a schematic. I have an IC and the first basic task I'm doing is connecting ground pins to a GND symbol. Here is what I tried with the error: (Note: I'm ...
2
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2answers
136 views

How to create “wireless” networks in Eagle Cad

In this schematic they've somehow created "wireless" networks, meaning networks that connect two components but don't have an actual wire in the schematics. What are these called, and how can I ...
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2answers
568 views

Acute angle routes in PCB

Following is from a PCB that I am presently working on. That particular path signals are of 100-400kHz signals. Is there any problem in having routes of this kind?
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1answer
57 views

Custom >NAME group for components in EAGLE

I'm designing custom component library for my project and I'd like to create custom naming subset for my custom parts. When ever I create custom part the default naming order is U$1, U$2 etc., when ...
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2answers
100 views

In Eagle, why is the tstop layer larger than the pad itself?

Why is the tstop aperture around a pad larger than the pad itself? I would have imagined that it would be exactly the same size, or slightly smaller, so that the solder stays only on the defined pad. ...