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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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I tried running the simulator, but couldn't get the results I expected. The output voltage was too low, but more importantly, the ripple reduction was very small. Specifically, I'm looking at a TRACO ...
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AGND and DGND Both are full planes taking up the entire space of the board Colored outlines are just where components will connect to their respective gnd's Top left white arrow is pointing to net tie'...
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I’m working on my first prototype board and wanted to make sure there aren’t any major issues with my design before I move on to the layout stage. I believe I’ve got most things right, but I’m a bit ...
msalaz03's user avatar
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I'm messing with KiCAD. With that, I need to understand how to make circuits. Do I need that resistor? if so, before or after the switch? Thanks!
HL491's user avatar
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I am using kicad 9, and it is placing the test for the component type and value on the PCB. I do not want this is it clutters everything up and causes lots of DRC violations. Is there a simple way to ...
Robin's user avatar
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I have 2 pins that are named the same (VOUT), and are both configured as outputs in the symbol. I get the ERC error: ...
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I am currently learning PCB design as a hobby and recently completed my first independent PCB project. I would greatly appreciate it if a professional could review my design to identify any potential ...
Qasim Khokhar's user avatar
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I just updated to KiCad v9 and ran into an issue re. pin numbering with generic symbols. In version 8, I could search for an "NMOS" symbol and pick the one that followed my desired pin ...
Alexander Ohm's user avatar
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I am trying to design a simple charging circuit for my pcb however I am not sure if it is correct or makes sense so I am hoping someone with a bit more experience could help me. So I am using Solar ...
Naffa's user avatar
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I tried the route: main menu ➡️ Preferences ➡️ Preferences ➡️ PCB Editor ➡️ Display options ➡️ Snap to grid ➡️ set to "Always" for no avail. The grid is already configured with 100mils (2....
Paulo Carvalho's user avatar
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I'm having serious trouble in soldering the pins of a TDA7560 to a PCB Aisler made for me based on the design I made by using KiCAD. Typically, all THT holes come with tin rings around them, but for ...
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I’m planning to use the LMZM23601V3SILR to step 12 V down to 3.3 V at up to 1 A (though I’ll only draw ≈500 mA). The ≈3 × 4 mm package makes me worried about heat dissipation—most regulators are not ...
Sam Shabz's user avatar
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I'm trying to simulate an optocoupler circuit in KiCad 8.0 using ngspice, specifically with a PC817 optocoupler, but I ran into several issues because I couldn't find a working ...
Supernova_10's user avatar
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I am working on a 8-bit computer and using KiCAD for the schematics and PCB design. I have a working first version, where I could place everything on a single sheet. I am adding some extra features (...
Bart Friederichs's user avatar
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Say I am buying this - https://www.aliexpress.com/item/1005006141235306.html I see they provided dimensions, but the actual holes for the pins have no dimensions. What do I use? do modules like ...
efaa's user avatar
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I'm currently designing a PCB (2 layers) and in order to be able to route all the wires efficiently I'm using a Ground Fill, so I can save space. I'm getting errors about missing connections between ...
Jason Zhang's user avatar
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I designed my first complex PCB using KiCad with hierarchical sheets. I just received and assembled the board myself. Everything seems to work except the part that handles charging a 3.7V Li-ion ...
Scorpius's user avatar
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This is my third post for the design, I fixed a lot. Reread datasheets, etc. I need: General feedback I was told "Route HO and SW gate traces as a differential pair from the IC to the high-side ...
Brighton Sikarskie's user avatar
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I am using KiCad software. It is my first time. When I use the Electrical Rules Checker, I have this error Input power pin not driven by any Output power. How to ...
Saliha's user avatar
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This is my second post for this design, I had a lot of things that were wrong and redid it based off the datasheet, from my last post: This is my first time making a PCB. I need some feedback and ...
Brighton Sikarskie's user avatar
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This is my first time making a PCB. I need some feedback and guidance. This is a buck converter to go from an 8S4P 18650 Cell pack to a 20V line. Eventually, I will use this in a larger circuit to be ...
Brighton Sikarskie's user avatar
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I am trying to create a panel using the third party pluin kikit. The standard use of this plugin is to create a panel comprising several PCBs of the same design. I'm trying to create a panel ...
mr_js's user avatar
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I need to control 18 servo motors mg996r's. I plan to use two PCA9685s. I have followed reference schematics pretty closely, but wanted to add an enable pin and reverse polarity protection, also I ...
Brighton Sikarskie's user avatar
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I am using a VDC spice simulation power source, and the power is set to dc(24) (24 volts). I want to change this so that I have a list of voltages and timesteps ...
Mitch McMabers's user avatar
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I'm trying to design and simulate a MOSFET load-switch in KiCad. I'm new to that application and I've been tearing my hair out for 4 hours on this simulation. :( The ...
Mitch McMabers's user avatar
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Apologies for the noob question. I added a some key-switch footprints to KiCad 9.0 from a github library - https://github.com/siderakb/key-switches.pretty These seemed to import OK, and I can see them ...
Kingsley's user avatar
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I am using KiCAD to add tooling holes to a PCB for surface mount assembly using JLCPCB PCB assembly service. The following is the guideline from JLCPCB for tooling hole specs: https://jlcpcb.com/help/...
David777's user avatar
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I'm following up on this previous question, where I received useful feedback from the community. Based on that, I've revised the schematic and would like to ask for help verifying if my updated design ...
mastupristi's user avatar
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I'm working on a small educational project to design a level shifter board that converts RS232 levels to TTL logic, supporting TTL voltages from 1.8V up to 5V. I'm using the LTC2802 RS232 transceiver, ...
mastupristi's user avatar
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I am making a simple voltage regulator that takes 5V as input and makes it 3.3V on output. I am new to PCB design on KiCad and can't understand why the selected zone doesn't fill with copper and fills ...
Thanos Karvouniaris's user avatar
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To make a Raspberry Pi (3.3 V signal level) talk to a VF display (5 V signal level), I'm developing some circuitry in SMD technology. In KiCad's part library I found a suitable level shifter named ...
Neppomuk's user avatar
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I have a design that's effectively a baseboard for a system on module (SOM). As part of the power generation, for the various voltages that are supplied to the SOM, a sense line is fed back through ...
LordTeddy's user avatar
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I’m designing a control board for an Intelligent Reflective Surface (IRS) project, where an FPGA communicates with 10 SPI DACs to output set voltages. I'm encountering some ERC (Electrical Rule Check)...
EEE22's user avatar
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I am designing a simple PCB board based on an STM32F411, using KiCad v7.0. The ERC (Electronic Rule Checker) gives me an error about the VBAT. The detailed error message is: Symbol U2 Pin 6 [VBAT, ...
Alexis Nicole's user avatar
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I have some AD5206 digital potentiometers in a circuit, and I am trying to add the footprint to the kicad model for the schematic. Digikey offers the model, but while the option for kicad v6+ is the ...
Bangor Makerspace's user avatar
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My plan is to build a PCB around the ICE40HX4K My understanding is that I can power it via USBC using this sort of component: ...
K_T's user avatar
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3 answers
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When in 3D viewer for kiCad I can see my silkscreen. Although I want it to be in white so I can see it better. How do I change this?
Jonathan Kleppinger's user avatar
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I developed my own PCB for the GUVA-S12D UV meter, with the recommended circuit below (source: https://www.adrirobot.it/sensore-uv-guva-s12sd-arduino/guva_s12sd-schematic/) I was not able to find ...
Clóvis Fritzen's user avatar
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I have old gerber files for a four layer board that I need to modify. I am new to KiCad, so I hope this is a easy problem to solve. I have laid out the pc board in KiCad schematic and assigned ...
Marke's user avatar
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I wish to use a DPDT switch to simply power on and off a battery-powered device. I am using a SLW-913535 switch but the terminal names are confusing. There isn't any NO contact. Are all DPDT switches ...
Engineer999's user avatar
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I have pcb of a normal-sized mechanical keyboard. My friend has large hands so I decided to create a 125%-sized keyboard for him. How can I increase the spacing by 25% between all components on a grid ...
Lazy Traveller's user avatar
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I used to see the Effective Electrical Length displayed in the status bar when selecting a trace from a differential pair in KiCad 8.0. However, for some reason, this measurement no longer appears. ...
Robert's user avatar
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I am creating my own Numpad while loosely following Robert Ferenacs guide on Youtube. He did everything in EasyEDA whereas I wanted to use KiCad. I honestly do not know what I am doing. After ...
Nathan Whittington's user avatar
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I recently got tasked with designing a power distribution board incorporating the LM2596, a popular DC-DC buck converter/booster. Using a previous design as a reference, I followed a similar approach ...
msalaz03's user avatar
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I am currently designing a circuit for an intelligent reflective surface system where varactors are used to control the resonance of a unit cell through the capacitance they produce which will control ...
EEE22's user avatar
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I am currently designing a DAB converter (work in progress) and I'd like to know if there is an easier method for driving the switching signals than the method I have below using a TC4425AVPA to ...
Jamie Barker's user avatar
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4 votes
3 answers
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I went through this SE post before asking my question: How do you design a bridge rectifier circuit? I have been continuously trying to simulate bridge-rectifier circuit in KiCAD and have kept failing....
gitt's user avatar
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I'm designing a homemade 12V 10A SMPS power supply. This is the third personal project that I'm doing before heading out to college (1st year btw). I created a schematic that's inspired by YouTuber ...
Dodo's user avatar
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Firstly I don't understand why in KiCad there isn't something that can help in the layout of components that are supposed to be at least proximal, instead it just throws everything into one big pile ...
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I’m working on a project involving Texas Instruments’ AM335x ICE Board, and I downloaded their .BRD file for the PCB layout. Unfortunately, this file was saved in Cadence Allegro version 16.3, and I ...
Mohammed Mubarak's user avatar
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