Precharge
formulaslug·fs-2-schematics·Precharge/Precharge.kicad_pcb
About the Precharge PCB
Precharge is an open source PCB design by formulaslug, published on GitHub. It is a 2-layer board measuring 63.5 × 53.3 mm, with 8 components from 6 distinct parts.
By type, the board carries 3 connectors, 2 relays, 2 diodes and 1 resistor.
From the project
Electrical design repository for the FS-2 racecar
1) First, download KiCAD for your specific OS
2) Next, make sure you have Git installed.
GitHub Desktop If you are not tech savvy Git If you are tech savvy 😎
If you installed GitHub desktop, create an account and close the repository. I recommend cloning the repository into your documents folder.
How to clone repositories on GitHub desktop
The repository url is: https://github.com/formulaslug/fs-2-schematics

Precharge bill of materials (BOM)
8 components, 6 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 1053091202 | MOLEX_1053091202 | J1, J3 |
| 1 | 1053091203 | MOLEX_1053091203 | J2 |
| 1 | Relay_SPST-NO | G5PZ-1A-X DC12 | K1 |
| 1 | Relay_SPST-NO | V23076A3001C132 | K2 |
| 2 | 1N4001 | D_DO-41_SOD81_P10.16mm_Horizontal | D3, D4 |
| 1 | 120 | THS15120RJ | R1 |
Precharge design files
The KiCad project lives in the formulaslug/fs-2-schematics repository on GitHub; these links point at the commit this page was built from.
- LayoutPrecharge/Precharge.kicad_pcb
- SchematicPrecharge/Precharge.kicad_sch
Precharge: common questions
How big is the Precharge PCB?
The Precharge measures 63.5 × 53.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Precharge?
8 components, from 6 distinct parts. The full bill of materials is listed on this page.
Where can I download the Precharge design files?
From the formulaslug/fs-2-schematics repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Precharge design in my own project?
The repository has no license, so all rights stay with formulaslug. Use it as a reference, and ask the author before reusing the design.
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