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KiCad BOM: Don’t Bomb your BOM!

kicad bom introduction

A KiCad BOM is a list of all the parts your design is using. The term BOM, or bill-of-materials, is standard for supply chain management and does not just apply to electronics. KiCad’s eeschema has a BOM export feature. Unfortunately as of Version 4.0, this feature is still somewhat lacking. Given the limitations, here are some tips to take your KiCad BOM from Schematic to Mouser.

Spending a few extra minutes while capturing (drawing) your schematic thinking about your KiCad BOM can save you a ton of time later on. Moreover, as you build up a database of parts, these extra minutes turn into seconds. Here are a couple of ways to describe your parts, especially passive components, better while drawing schematics in KiCad.

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CNC

Getting PCBs from KiCad to X-Carve

KiCad to X-Carve Workflow

The last time I looked at using an X-Carve for Printed Circuit Boards (PCBs), I created a demo board with EAGLE. Since then, I have learned more about using KiCad, the open source electronics CAD suite. While not a step-by-step tutorial, here is my rough KiCad to X-Carve PCB workflow. These are just the high-level steps, the tools necessary, and the settings I’ve discovered for each—so far.

Eventually, I will make this a more detailed KiCad to X-Carve PCB tutorial, so make sure you subscribe to my RSS feed for updates.

Here’s the Basic Steps:

  1. KiCad: Draw Board
  2. KiCad: Plot Gerbers
  3. KiCad: Generate Drills
  4. pcb2gcode: Generate G-code
  5. Text Editor: Clean Up G-code Files
  6. Camotics: Simulate G-code
  7. ChiliPeppr: Send G-code and control X-Carve
  8. X-Carve: Make the boards!
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Electronics Basics

Five ways to make a schematic (quickly)

Quickly Make A Schematic

Engineers make a schematic to explain their circuits.

One time I was looking for a non-tourist pub in Japan. I asked someone for help. She said, “I’m sorry, but I do not speak good English. I will bring my friend, and she will draw you a map.” (Exact quote!) The map her friend drew, gave directions to a bar with a “Neon Yellow Sing.” She meant “sign.”

The map was the method we used to communicate with each other, even though we didn’t both speak English. With this crude but useful map, I could find my next drinking place destination.

Schematics are the same as this map. Even if you don’t speak the same language, you can communicate how a circuit works when you make a schematic.

Use one of these five tools, when you need to a document a circuit or when you need to ask for help.

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