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2 layers81 × 61 mmBSPD, the printed circuit board in 3D

This repository contains all of the KiCad Schematics for the 2026 TigerRacing Formula SAE's Electronics Subsystem.

Size
81 × 61 mm
Copper layers
2
Thickness
1.6 mm
Parts
37
Nets
30
Pads
117
Tracks, vias
251, 267
Pours
3
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
21 Jun 2025
Updated
21 Oct 2026

Overview

BSPD is an open-source printed circuit board by LSUTigerRacing, from the LSUTigerRacing/Electronics repository on GitHub. It is a 2-layer board of 81 × 61 mm with 37 parts on 30 nets, routed with 251 tracks and 267 vias.

It is built around the R-78E5.0-0.5, SN74LVC1G08DBVR and LM339DR, with the NE555DR and SN74LVC3G14DCUR among its other parts. Its parts include 11 ICs, 9 capacitors, 4 resistors and 2 transistors.

Main components

5

README

README.md
TigerRacing Logo


This repository contains all of the KiCad Schematics for the TigerRacing Formula SAE's Electronics Subsystem.

Prerequisites

Board Templates

When making a new PCB, if the board is to be manufactured by JLCPCB. import the corresponding board constraints from Board Templates/JLC

Getting Started

This section will walk you through downloading the repository to your computer for the first time. You only need to do this once.

1. Generate a GitHub Token

A token is essentially a password that lets Git on your computer talk to GitHub securely.

  1. Log into GitHub
  2. Click your profile picture → Settings
  3. Scroll down and click Developer settings (bottom of the left sidebar)
  4. Click Personal access tokens → Tokens (classic)
  5. Click Generate new token (classic)
  6. Give it a name (e.g. git-access), set an expiration, and check the repo scope
  7. Click Generate token and copy it — you won't be able to see it again!

2. Clone the Repository

"Cloning" means downloading a full copy of the repository to your computer.

Open Git Bash and run the following commands one at a time:

sh
git clone https://github.com/LSUTigerRacing/Electronics.git
cd Electronics

When prompted for a password, paste the token you copied in the previous step.

3. Open the Project in KiCad

In Git Bash, highlight and right-click Electronics to open the folder in File Explorer. From there, open the KiCad project file (.kicad_pro).


Contributing

This section covers the full workflow for making changes and submitting them every time you work on something.

[!IMPORTANT] Never commit directly to main. All changes must go through a pull request.

Step 1 — Make sure you're up to date

Before starting any work, pull the latest changes from the repository so you're not working on an outdated copy.

sh
cd Electronics
git pull origin main

Step 2 — Create a branch

A "branch" is your own isolated workspace. Think of it like making a photocopy of the project — you make your edits on the copy, and only merge it back once everything looks good.

Replace your-branch-name with something descriptive (e.g. fault-latch-rework).

sh
git checkout -b "your-branch-name"

Step 3 — Make your edits

Open the KiCad project and make your changes. Save your work when done.

Step 4 — Stage and commit your changes

"Staging" tells Git which files to include, and "committing" saves a snapshot of those changes with a description.

sh
git add .
git commit -m "Brief description of what you changed"

Step 5 — Push your branch to GitHub

"Pushing" uploads your local branch so others (and GitHub) can see it.

sh
git push -u origin "your-branch-name"

Step 6 — Open a Pull Request

  1. Go to the repository on GitHub
  2. Click the Pull requests tab
  3. Click New pull request
  4. Set the base branch to main and the compare branch to yours
  5. Give it a clear title and description of what you changed
  6. Click Create pull request

A reviewer will look over your changes. Once approved, your branch will be merged into main and can then be deleted.


PCB Gallery

Fault Latch

FaultLatch

Parts

37
QtyValueFootprintReferences
50.1uFCapacitor_SMD:C_0402_1005MetricC101, C103, C106, C107, C109
410K3224W-1-103E:POT_3224WRV101, RV102, RV103, RV104
4641964-1641964-1:641964-1_TYCU101, U102, U110, U111
4MountingHoleMountingHole:MountingHole_2.2mm_M2H101, H102, H103, H104
310KResistor_SMD:R_1206_3216MetricR101, R102, R103
310uFCapacitor_SMD:C_0805_2012MetricC102, C104, C108
3LOGOLOGOG***, G***, G***
2Q_NMOS_GSDPackage_TO_SOT_SMD:SOT-23Q1, Q2
2SN74LVC1G08DBVRSN74LVC1G08DBVR:DBV0005A_LU104, U109
10.01uFCapacitor_SMD:C_0402_1005MetricC105
110kResistor_SMD:R_0805_2012MetricR1
1LM339DRLM339DR:D14U105
1NE555DRNE555DR:D8U106
1R-78E5.0-0.5R_78E5_0_0_5:R-78E-0.5_RCPU103
1SN74AC32DRLM339DR:D14U108
1SN74LVC3G14DCURSN74LVC3G14DCUR:DCU8_TEXU107

Questions

How big is the BSPD PCB?

It measures 81 × 61 mm and has 2 copper layers, 1.6 mm thick.

What parts does the BSPD use?

37 parts, built around the R-78E5.0-0.5, SN74LVC1G08DBVR, LM339DR and NE555DR. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the BSPD KiCad files?

From the LSUTigerRacing/Electronics repository on GitHub, at the commit this page was made from: the board is BSPD/BSPD.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the BSPD design in my own project?

Its repository states no licence, so its author keeps all rights: ask LSUTigerRacing before reusing the design.

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