# trace\-width\-size\-simple\-test

## Description

USB\-C Digital Compass Module with STM32, HMC5883L, TM1637 Display, and Enhanced Power Protection \(JLCPCB\-Ready\)

## Project Details

- **Owner:** dacre
- **Created:** 4/9/2026
- **Last Updated:** 5/6/2026
- **Visibility:** Public
- **Board Outline Dimensions:** 90\.2mm × 35\.4mm
- **Board Outline Width \(mm\):** 90\.2mm
- **Power Plane Layers:** Layer 2: GND plane; Layer 3: 3\.3V plane
- **Board Outline Height \(mm\):** 35\.4mm
- **Stackup:** Standard 4 Layer
- **System Architecture:** graph LR     subgraph Power Subsystem         USB\_C\[USB\-C Connector\] \-\-\> Input\_Protection\[Input Protection\]         Input\_Protection \-\-\> Regulator\[3\.3V Regulator\]     end     subgraph Core Subsystem         Regulator \-\-\> MCU\[Microcontroller\]         MCU \-\-\> Magnetometer\[I2C Magnetometer\]     end     subgraph Display Subsystem         MCU \-\-\>\|Control Interface\| DisplayDriver\[Display Driver ICs\]         DisplayDriver \-\-\> SevenSeg\[3×7\-Segment Displays\]     end     subgraph UI Subsystem         MCU \-\-\> Potentiometer\[Brightness Pot w/ Switch\]         MCU \-\-\> StatusLED\[Status LED\]         MCU \-\-\> ProgHeader\[Programming Header\]     end     subgraph Mechanical         Board \-\-\> MountHoles\[4× Mounting Holes\]     end 
- **Display Module Width:** 12\.8mm
- **Copies:** 1

*The full schematic, PCB layout, bill of materials, and interactive design are available at [https://flux\.ai/dacre/trace\-width\-size\-simple\-test\~gs](https://flux.ai/dacre/trace-width-size-simple-test~gs).*

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*Generated from [https://flux\.ai/dacre/trace\-width\-size\-simple\-test\~gs](https://flux.ai/dacre/trace-width-size-simple-test~gs)*