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+# MeshAdventurer-S3
+
+**Project Name:** MeshAdventurer-S3  
+**Author:** Nickie Deuxyeux  
+**Date:** 2026-03-19  
+**License:** Creative Commons (CC BY)  
+
+---
+
+## Description
+The MeshAdventurer-S3 is a universal mesh radio designed for use in LoRA mesh networks such as **Reticulum**, **Meshtastic**, and **MeshCore**.
+It is inspired by [MeshAdventurer](https://github.com/chrismyers2000/MeshAdventurer) project by Chris Myers.
+
+- Based on the widely available ESP32-S3-DevKit-C clone board  
+- LoRA modules: [EByte E22-series](https://www.cdebyte.com/products/E22-900M30S)
+
+Key features:
+- **Fully featured for all popular mesh networks  
+- **Wide input voltage support for convenient mobile usage  
+- **GPIO headers for easy customization and expandability  
+- **Optional DS3231 RTC for timekeeping  
+- **Optional I2C environment sensor support (BME280, BME680, etc)  
+- **Optional ATGM336H GNSS receiver support  
+- **Optional EC11 Rotary Encoder support  
+
+This repository contains the KiCad project files, PCB schematics, board images, Gerbers for fabrication. A case design is also available as a Fusion 360 project and a set of STL files for 3D printing.
+You are welcome to alter the design to fit your requirements.
+---
+
+## Project Structure
+```
+MeshAdventurer-S3/
+├── Case/
+│ ├── STL/                            # Case part files
+│ ├── MeshAdventurer-S3.f3d           # Fusion 360 Project
+├── KiCad/
+│ ├── MeshAdventurer-S3.kicad_pcb     # PCB layout
+│ ├── MeshAdventurer-S3.kicad_prl     # PCB plot file
+│ ├── MeshAdventurer-S3.kicad_pro     # Project file
+│ └── MeshAdventurer-S3.kicad_sch     # Schematic
+├── Images/
+│ ├── MeshAdventurer-S3-Front.png     # Front layer image
+│ ├── MeshAdventurer-S3-Back.png      # Back layer image
+│ └── MeshAdventurer-S3-Schematic.png # Schematic overview
+├── Gerbers/
+│ └── Gerbers-MeshAdventurer-S3.zip   # Exported Gerbers for fabrication
+└── README.md                         # This file
+```
+## Images
+
+<table>
+<tr>
+<td align="center">
+<img src="Images/MeshAdventurer-S3-Front.png" alt="Front View" width="300"/>
+</td>
+<td align="center">
+<img src="Images/MeshAdventurer-S3-Back.png" alt="Back View" width="300"/>
+</td>
+<td align="center">
+<img src="Images/MeshAdventurer-S3-Case.png" alt="Case" width="300"/>
+</td>
+</tr>
+<tr>
+<td align="center">Front View</td>
+<td align="center">Back View</td>
+<td align="center">Case</td>
+</tr>
+</table>
+
+## Pin Assignments
+<table>
+<tr>
+<td align="center">LoRa Module</td>
+<td align="center">GNSS Module</td>
+<td align="center">I2C</td>
+<td align="center">Other</td>
+</tr>
+<tr>
+<td valign="top">
+
+| Signal        | GPIO |
+|---------------|------|
+| CS(NSS)       | 39   |
+| SCLK(SCK)     | 38   |
+| MISO          | 40   |
+| MOSI          | 18   |
+| BUSY          | 7    |
+| RST           | 43   |
+| DIO(IRQ)      | 15   |
+| TXEN          | 9    |
+| RXEN          | 8    |
+</td>
+<td valign="top">
+
+| Signal        | GPIO |
+|---------------|------|
+| RX            | 3    |
+| TX            | 0    |
+| PPS           | 5    |
+</td>
+<td valign="top">
+
+| Signal        | GPIO |
+|---------------|------|
+| SCK           | 42   |
+| SDA           | 41   |
+</td>
+<td valign="top">
+
+| Function      | GPIO |
+|---------------|------|
+| User Button   | 4    |
+| NeoPixel LED  | 48   |
+| Encoder Press | 35   |
+| Encoder Up    | 36   |
+| Encoder Down  | 37   |
+| Voltage Sense | 6    |
+</td>
+</tr>
+</tr>
+</table>
+
+## Schematic
+![Schematic](Images/MeshAdventurer-S3-Schematic.png)  
+
+## License
+This project is licensed under **Creative Commons Attribution (CC BY)**. You may share and adapt the material as long as appropriate credit is given.