Questions tagged [kicad]

Kicad EDA is an open source (GPL) software package for the creation of electronic schematic diagrams and printed circuit board artwork.

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1answer
42 views

Connecting an external switch to my circuit

I'm pretty new to electronics and kicad. I would like to understand how to add a physical switch to my circuit using molex connection. I'm adding my initial schema.
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44 views

How to integrate external library into KiCad

I am using KiCad (5.1.5). I got this self-made library from my lab mate he told me to make some changes to his schematic. Inside the folder that he gave consists the following folders and files: ...
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2answers
370 views

CircuitMaker to KiCAD?

I had so many problems with CircuitMaker (Free version of Altium), that I never want to use it anymore. The problems I had so far: Very cumbersome to deselect trace mode in PCB mode (having to get ...
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3answers
60 views

Driving RGB Leds from ESP8266

I want to create a schematic for the following behaviour: I want an ESP-12e (ESP8266) microcontroller similar to an arduino, to be able to control 10 RGB leds , changing their colours from blue to ...
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4answers
118 views

Freerouter doesn't want to route to inside an FPGA

Prefacing this by saying I'm entirely new to designing electronics for a PCB and I've only worked with breadboards before, so if there's more that I'm doing wrong in my project besides just the PCB ...
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1answer
112 views

How to fix a short circuit?

I found two vias that were supposed to connect to two leads of a capacitor were shorted together on a 4-layer PCB. One of the vias is connected to ground. They are not shorted in the KiCAD model (...
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1answer
98 views

Understanding how PCB CAD designs affect the final product [closed]

I'm looking to design my first printed circuit board and having trouble understanding PCB CAD systems conceptually. I've started on schematics with EasyEDA, KiCAD, and Fritzing without finishing, as ...
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1answer
57 views

KiCad: Can I insert a net name into a footprint?

I'm new to KiCad, and using version 5.1.5. I want to make a simple single-pad footprint, with a text label that is the net name to which the corresponding schematic pin is attached. Is there a way to ...
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1answer
200 views

Kicad Eeschema window does not respond when opened in windows 10 (Not working)

I have just started with Kicad. Never used it before. I downloaded and installed kicad, opened it, created a new project. Everything is fine until that point. But when I open Eeschema window for ...
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2answers
103 views

Why won't zones flood into vias or other plated through holes that are part of a footprint in Ki-CAD

I am using KI-CAD. Visible in the picture is a GND_USB plane (yellow) on layer 2, and also the top layer (red). I have a QFN package with an exposed pad in the center. For some reason the ground ...
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2answers
156 views

KiCad net tie on inner layer

I'm making a 4 layer board, with ground on one of the inner layers, as usual. I would like to keep the digital and analog grounds logically separate, although they of course connect on the PCB, and ...
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1answer
147 views

Limit KiCAD track selection to current layer

When I do the track selection in KiCAD and click Select -> Connected Tracks it also selects tracks connected through vias on the back of the board. I only want ...
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66 views

KiCad Simulation VSOURCE Triangle waveform

I want to simulate a second order active low-pass filter in KiCad, using the internal spice-based simulation tool. The input signal must be a triangle waveform of 30kHz and 0,5 V peak to peak, and the ...
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100 views

Create an array of footprints in KiCad

I want to create a 16x16 LED array in KiCad and I would like to minimize any "manual" work. I can easily copy/paste in schema editor but I would like to align the footprints on PCB in a grid. I did ...
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2answers
106 views

What is name of semi-cut headers in KiCAD?

I'm looking for a "semi-cut headers" footprint in KiCAD. Saying "semi-cut header" I mean a footprint which you can use either for soldering traditional pins or solder your board on top of other board....
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380 views

Kicad: How to give nets / wires multiple names

I'm designing a switching power supply using a BD9G101G step-down regulator. The datasheet is here: http://rohmfs.rohm.com/en/products/databook/datasheet/ic/power/switching_regulator/bd9g101g-e.pdf. ...
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3answers
74 views

KiCAD: Triaxial Connector Footprint from Drawing

I am planning to use a PCB-mount triaxial connector, CBBJR79TL, in a design for a laboratory prototype. Making reference to the "recommended mtg hole pattern" section from the CBBJR79TL drawing, I ...
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2answers
93 views

Which footprint to use for LM324 SO-14 in KiCad?

I want to use the LM324 quad-amp in my PCB design. KiCad already provides the symbol in the Amplifier_Operational package. However I don't know which footprint to assign. I tried assigning the ...
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1answer
36 views

PcbNew invisible field still showing

I was editing a PCB and KiCAD crashed. When I restarted all fields that were previously invisible are now showing, even though their property is set to invisible. Is this a bug? Or an option I can ...
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1answer
41 views

Why are my net names not corectly exported to a SPICE netlist?

I have a schematic: When I export this with the "Export Netlist" feature... The SPICE netlist has renamed my Hello and World ...
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2answers
148 views

Errors were encountered loading footprints: kicad_plugin.cpp : FootprintEnumerate() : line 1786

I am newbie in working with KiCad So for first time i tried to generate footprint of one negetive voltage source from here and here: And the Sketch is like this : button and i get this error in my ...
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1answer
46 views

ISL85403 buck-boost converter

I have a requirement for a 24V +- 15% rail to power a laser sensor off of a 24V lead acid battery pack. I implemented the reference design provided by renesas for a 12V buck-boost converter(...
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61 views

How to import the CAD file, generated by TI Webench, into KiCad software?

I noticed that the TI Webench online designer tool generates a CAD file of the designed circuit, and I am a KiCad user (recently started using it). So, I am not sure if there is anyway to import the ...
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4answers
157 views

Designing a PCB with variable-sized component alternatives

I'd like to get a little PCB manufactured with a basic circuit that I can populate with components of various sizes. E.g. have a place where any of a range of possible capacitor sizes could go. So I ...
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1answer
58 views

Version control system for KiCAD which can deal with merge requests

When working on a project with a group of people it is often required to merge changes someone else has made into a master version of the project. However my EDA of chocie, KiCAD, does not seem to ...
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2answers
71 views

Unintuitive terminal connection to ground

I'm reading the datasheet of an incremental encoder and seem to miss something. Am I reading it right that Terminal-C is connected to GND, and if so why? I thought I'm supposed to connect Terminal-C ...
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4answers
154 views

PCB routing mismatches the schematic

I have design a board on Kicad and now trying to route the tracks. However there is something I don't understand. Different pins on a microcontroller are connected to 3.3V power source through a ...
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1answer
71 views

BNC to 6.35mm Headphone jack wiring

Right now I am using KiCAD to try make a 6.35mm Headphone jack to BNC converter and am confused as to how to wire rn, tn and sn. What do they do? This is my current KiCAD schematic.
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1answer
180 views

KiCad Saying Pins Not-connected

So I am fairly new to using KiCad, and I have encountered a problem. I recently learned how to make hierarchical pins for bus assignments with the notation. ...
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2answers
249 views

KiCad: “No footprint for automated placement”

I just finished my first PCB with KiCad. Now, I need to produce it and I need the Pick and Place file. When I try to generate footprint position files the software produce the message "No footprint ...
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1answer
112 views

KiCad problem, schematic to PCB layout generates empty PCBnew window

I am using KiCad 5.0.0, after I built my schematic I annotated schematic symbols, assigned PCB footprints to the schematic symbols, then generated the netlist, and finally when I clicked on the tab of ...
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1answer
52 views

Is there a way to prevent switching layers when laying tracks in KiCAD?

When I lay tracks in KiCAD on the back Cu layer (v5.1.0, Windows) I have the front Cu layer toggled invisible in the layer manager. I also have the selector arrow set to the back Cu layer. I have ...
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3answers
192 views

KiCAD parametric component placement

I need to place components in a circle of a certain diameter, with a certain pitch, and angled evenly. Is possible to do it in KiCAD automatically?
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1answer
70 views

How should I use 3.3V + 5V in KiCad without getting an ERC error?

Below are parts of my design. Using KiCad, I have problems using both VCC (5V) and 3.3V power, both from Arduino Mega pins. If on U6 (flash) I connect 3 and 7 I get a similar error, so I guess I did ...
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3answers
271 views

Does a silkscreen text or line over pads/mounting holes give problems?

I'm intending to create a PCB and let it manufactured (just a few, for a hobby project). I added some text on the silkscreen layer very close to mounting holes/holes for pins/vias. Also I used lines ...
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1answer
99 views

KiCad where is the priority setting of filled zones?

The documentation shows a dialog for filled zones in which you can set up the priority of the zone. I'm using KiCad 5.1.2 and I can't find this setting anywhere. Here's a screenshot of the filled ...
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1answer
41 views

Adding Raspberry Pi Hat edge-cuts and holes in Kicad (after schematic capture)

I'm looking for a way (in KiCad 5x) to build a Raspberry Pi HAT around a design that has already been completed. That is, I did not start with a Pi Hat TEMPLATE ... I hope to find a way to add it ...
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1answer
245 views

KiCad 5.1: New footprint from existing footprint

Is there a way to duplicate a footprint in one library into another for making changes? Or "create new footprint starting with existing footprint"? I want to make a footprint for Adafruit's Itsy ...
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2answers
77 views

Is the F.Cu upper layer really on top or just the 'upper layer' but protected?

I guess these are two very trivial questions, but I couldn't find any conclusive answer. Below is a part of a PCB I want to create (my first ever), a SOT23 transistor and a 0805 resistor. . My ...
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2answers
665 views

KiCad 5.1: where are the design rules?

I'm following the tutorial series on YouTube at https://www.youtube.com/playlist?list=PLEBQazB0HUyR24ckSZ5u05TZHV9khgA1O, specifically the "An Intro to KiCad" videos. I'm using KiCad 5.1.2 on macOS, ...
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1answer
491 views

Why would I use triangular solder jumper pads?

My PCB layout program of choice - Kicad - has footprints for normal rounded solder jumpers; but also triangular ones. What benefits, if any, do the triangular ones offer? Or is it a purely aesthetic ...
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1answer
70 views

Getting error `object has no attribute LAYER_ID_COUNT' in KiCad PCBNEW trying to add track in Python script

I am trying to programatically add a new track to a KiCad board using the Python API. My code fails when trying to assign the layer to the new track. My code is modeled off this example... https://...
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63 views

KiCAD eeschem library part connecting pins together

I'm building a schematic library part for an Arduino prototype shield. Although it's a schematic part, I want it to look like the board as much as possible. This board has two long lines of through ...
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3answers
264 views

KiCad PCB Layout Editor - Selecting entire component/footprint instead of a particular element

In KiCad PCB Layout Editor, I'm trying to arrange and place the various footprints. But when I click on the component, instead of selecting the entire component/footprint, it selects the closest ...
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182 views

Flickering Neopixels (WS2812B)

I am working on a WordClock. First, I want to give you all the details needed and then I will ask my question. So, for this WordClock I used the Arduino with the FastLED library. I made a PCB (350 x ...
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1answer
155 views

In Kicad 5.1, how do you access the Net Class Editor

In Version 5.0, you accessed from the Setup Menu. However, I cannot seem to find a way to access this at all in version 5.1. The is no Setup menu. Perplexed. -Jim
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70 views

Arch Linux - KiCad Spice netlist generation fails when using a pulsed voltage source

I'm new to KiCad and I'm trying to simulate a simple circuit: This works fine. The simulation tool works, and if I generate the netlist for spice and can see no problem: Works like a charm. But now ...
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2answers
125 views

Moving to hierarchical design

I made a mistake and find my schematic will not fit on a single sheet. Can I change to a hierarchical model without redrawing the whole thing?
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2answers
2k views

KiCad: Some pads to solder wires on

I am working on a PCB for which I need external soldered wires. I made the whole PCB with al the traces on the front layer. Then, with 3 vias, I got to the back layer. Here I need to solder 3 wires to ...
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2answers
272 views

Connector footprint JAMMA

JAMMA connectors are card edge slots that were common in arcade games before cheap SBCs. They are designed for fairly high current (5A) and are robust and cheap in a range of sizes from 8 to 72 pin. ...

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