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2 layers116.9 × 75.6 mmTSAL, the printed circuit board in 3D

KiCad projects and PCB designs for UCDFS electronic circuits.

Size
116.9 × 75.6 mm
Copper layers
2
Thickness
1.6 mm
Parts
103
Nets
77
Pads
344
Tracks, vias
613, 23
Pours
1
Routed
Yes
KiCad
KiCad 8.0 (file 20240108)
Created
11 Sep 2025
Updated
12 Oct 2026

Overview

TSAL is an open-source printed circuit board by UCDFS, from the UCDFS/Circuits repository on GitHub. It is a 2-layer board of 116.9 × 75.6 mm with 103 parts on 77 nets, routed with 613 tracks and 23 vias.

It is built around the CD4072BE, LM339N/NOPB and SN74AHC1G32TDBVRQ1, with the SN74AHCT1G08DBVR(AT), SN74AHC1G04DBVRE4 and SN74HC86N among its other parts. Its parts include 41 resistors, 23 capacitors, 15 ICs, 8 connectors and 7 transistors.

Main components

9

README

README.md

UCDFS Circuits Repository

Welcome to the University College Dublin Formula Student (UCDFS) KiCad circuits repository! This is the central location for all our electronic circuit designs, schematics, and PCB layouts.

About

This repository contains KiCad project files for various electronic circuits used in our Formula Student vehicle and projects. All designs are created using KiCad, an open-source electronic design automation (EDA) suite.

Getting Started

  1. Clone this repository:

    bash
    git clone https://github.com/UCDFS/Circuits.git
    cd Circuits
  2. Open a project in KiCad:

    • Launch KiCad
    • Open the .kicad_pro file for the project you want to work on
    • The schematic (.kicad_sch) and PCB layout (.kicad_pcb) will be accessible from the project manager
  3. View/Edit Schematics:

    • Click "Schematic Editor" in KiCad's main window
    • Or directly open the .kicad_sch file
  4. View/Edit PCB Layout:

    • Click "PCB Editor" in KiCad's main window
    • Or directly open the .kicad_pcb file

Repository Structure

text
├── README.md                     # This file
├── .gitignore                    # Git ignore rules for KiCad projects
└── [Project Name]/               # Individual circuit projects
    ├── [Project].kicad_pro       # KiCad project file
    ├── [Project].kicad_sch       # Schematic file
    └── [Project].kicad_pcb       # PCB layout file

Contributing

When contributing new circuits or modifications:

  1. Create a new branch for your work
  2. Organize projects in clearly named directories
  3. Follow naming conventions: Use descriptive names for projects and files
  4. Include all necessary files: Ensure .kicad_pro, .kicad_sch, and .kicad_pcb files are included
  5. Document your work: Add project details to a README in each circuit subfolder

Parts

103
QtyValueFootprintReferences
150.1uFFA14_Capacitor:FA18X7R1H104KNU00C2, C3, C4, C5, C6, C7, C8, C12, C13, C14, C16, C17, C22, C25, C26
125k6Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR15, R16, R17, R18, R19, R20, R21, R22, R29, R30, R31, R32
72N7000Package_TO_SOT_THT:TO-92_InlineQ1, Q2, Q3, Q4, Q5, Q6, Q7
5100Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR7, R25, R36, R43, R44
510kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR8, R23, R26, R39, R46
527kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR2, R10, R11, R13, R14
468kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR9, R12, R41, R42
4B2B-XH-AConnector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_VerticalJ3, J6, J7, J8
31uFFA14_Capacitor:FA18X7R1H104KNU00C1, C11, C28
34.7kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR4, R6, R51
3B4B-XH-AConnector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_VerticalJ1, J4, J5
3CD4072BELM339N:DIP794W53P254L1930H508Q14NIC1, IC4, IC5
3LM339N/NOPBLM339N:DIP794W53P254L1930H508Q14NU3, U4, U5
210nFFA14_Capacitor:FA18X7R1H104KNU00C9, C24
2LMC555CMX/NOPBPackage_SO:SOIC-8_3.9x4.9mm_P1.27mmU2, U6
2SN74AHC1G32TDBVRQ1Package_TO_SOT_SMD:SOT-23-5U1, U7
2SN74AHCT1G08DBVRPackage_TO_SOT_SMD:SOT-23-5U8, U14
1100kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR27
115kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR3
11N4001Diode_THT:D_DO-41_SOD81_P10.16mm_HorizontalD1
11N5821Diode_THT:D_DO-201AD_P15.24mm_HorizontalD3
11kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR40
120kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR5
1220kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR24
1220uFCapacitor_THT:CP_Radial_D6.3mm_P2.50mmC15
122uFCapacitor_THT:C_Disc_D5.5mm_W4mm_P2.50mm_1C23
133uHInductor_SMD:L_10.4x10.4_H4.8L1
147kResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR1
1680uF50ZLJ680M12.5X25:CAPPRD500W60D1275H2700C18
16k8Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR50
1B3B-XH-AConnector_JST:JST_XH_B3B-XH-A_1x03_P2.50mm_VerticalJ2
1G5Q1A4DC12Relay_THT:Relay_SPST_Omron-G5Q-1AK2
1G5RL-K1-E-DC5Relay_THT:Relay-G5RL-K1-EK1
1LM2596SX-5.0/NOPBPackage_TO_SOT_SMD:TO-263-5_TabPin3U26
1SN74AHC1G04DBVRE4Package_TO_SOT_SMD:SOT-23-5U9
1SN74HC86NLM339N:DIP794W53P254L1930H508Q14NIC3

The 99 most common of 103 parts.

Questions

How big is the TSAL PCB?

It measures 116.9 × 75.6 mm and has 2 copper layers, 1.6 mm thick.

What parts does the TSAL use?

103 parts, built around the CD4072BE, LM339N/NOPB, SN74AHC1G32TDBVRQ1 and SN74AHCT1G08DBVR(AT). 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 TSAL KiCad files?

From the UCDFS/Circuits repository on GitHub, at the commit this page was made from: the board is NEW_TSAL_KR/TSAL.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the TSAL design in my own project?

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

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