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>MeshPoE-S3
Project Name: MeshPoE-S3
Author: Nickie Deuxyeux
Date: 2026-03-18
License: Creative Commons (CC BY)
Description
The MeshPoE-S3 is a universal mesh node designed for use in LoRA mesh networks such as Reticulum, Meshtastic, and MeshCore.
It is mostly designed for stationary deployment and PoE power.
β’ Based on the WaveShare ESP32-S3 ETH Development Board
β’ LoRA modules: EByte E22-series
Key features:
β’ Compact form factor** suitable for outdoor mesh nodes
β’ Power-over-Ethernet (PoE)** support for convenient outdoor or roof deployment
β’ Ethernet connectivity** for reliable wired networking
β’ GPIO headers** for easy customization and expandability
β’ Optional DS3231MZ+ RTC for timekeeping
β’ Optional I2C environment sensor support (BME280, BME680, etc)
This repository contains the KiCad project files, PCB schematics, board images, Gerbers for fabrication.
You are welcome to alter the design to fit your requirements.
Project Structure
T282828
MeshPoE-S3/
βββ KiCad/
β βββ MeshPoE-S3.kicad_pcb # PCB layout
β βββ MeshPoE-S3.kicad_prl # PCB plot file
β βββ MeshPoE-S3.kicad_pro # Project file
β βββ MeshPoE-S3.kicad_sch # Schematic
βββ Images/
β βββ MeshPoE-S3-Front.png # Front layer image
β βββ MeshPoE-S3-Back.png # Back layer image
β βββ MeshPoE-S3-Schematic.png # Schematic overview
βββ Gerbers/
β βββ Gerbers-MeshPoE-S3.zip # Exported Gerbers for fabrication
βββ README.md # This file
Images
<table>
<tr>
<td align="center">
<img src="Images/MeshPoE-S3-Front.png" alt="Front View" width="300"/>
</td>
<td align="center">
<img src="Images/MeshPoE-S3-Back.png" alt="Back View" width="300"/>
</td>
</tr>
<tr>
<td align="center">Front View</td>
<td align="center">Back View</td>
</tr>
</table>
Pin Assignments
<table>
<tr>
<td align="center">LoRa Module</td>
<td align="center">I2C</td>
<td align="center">Other</td>
</tr>
<tr>
<td valign="top">
βββββββββββββ¬βββββββ
β Signal β GPIO β
βββββββββββββΌβββββββ€
β CS(NSS) β 17 β
β SCLK(SCK) β 16 β
β MISO β 15 β
β MOSI β 18 β
β BUSY β 2 β
β RST β 3 β
β DIO(IRQ) β 1 β
β TXEN β 40 β
β RXEN β 39 β
β DIO2 β 41 β
βββββββββββββ΄βββββββ
</td>
<td valign="top">
ββββββββββ¬βββββββ
β Signal β GPIO β
ββββββββββΌβββββββ€
β SCL β 48 β
β SDA β 47 β
ββββββββββ΄βββββββ
</td>
<td valign="top">
βββββββββββββββ¬βββββββ
β Function β GPIO β
βββββββββββββββΌβββββββ€
β User Button β 42 β
βββββββββββββββ΄βββββββ
</td>
</tr>
</tr>
</table>
Schematic
Bill Of Materials
<table>
<tr>
<td align="center">π³Modules</td>
</tr>
<tr>
<td valign="top">
ββββββββββββββββ¬ββββββ¬βββββββββββββββ¬ββββββββββββββββββββββ¬βββββββββββββββ
β Ref β Qty β Part β Description / Notes β Footprint β
ββββββββββββββββΌββββββΌβββββββββββββββΌββββββββββββββββββββββΌβββββββββββββββ€
β U1 β 1 β ESP32-S3-ETH β MCU module β ESP32-S3-ETH β
β U2 β 1 β E22-900M30S β LoRa module β E22-900M30S β
β U3 β 1 β DS3231MZ+ β RTC β SOIC-8 β
β SSD1306 OLED β 1 β β OLED display β HN1x4 β
ββββββββββββββββ΄ββββββ΄βββββββββββββββ΄ββββββββββββββββββββββ΄βββββββββββββββ
</td>
</tr>
</table>
<hr>
<table>
<tr>
<td align="center">β‘Capacitors</td>
</tr>
<tr>
<td valign="top">
βββββββββββββββββββββ¬ββββββ¬βββββββββββββββββ¬ββββββββββββββββββββββββ¬βββββββββββββββ
β Ref β Qty β Value β Notes β Footprint β
βββββββββββββββββββββΌββββββΌβββββββββββββββββΌββββββββββββββββββββββββΌβββββββββββββββ€
β C1,C2,C4,C5,C6,C9 β 6 β 100nF β Decoupling β 1206 β
β C3 β 1 β 470nF β Bulk β 1206 β
β C7,C8 β 2 β TMCMB1C476MTRF β 47Β΅F tantalum/polymer β EIA B (3528) β
βββββββββββββββββββββ΄ββββββ΄βββββββββββββββββ΄ββββββββββββββββββββββββ΄βββββββββββββββ
</td>
</tr>
</table>
<hr>
<table>
<tr>
<td align="center">π§²Inductors</td>
<td align="center">π©Resistors</td>
</tr>
<tr>
<td valign="top">
βββββββ¬ββββββ¬ββββββββ¬ββββββββββββ
β Ref β Qty β Value β Footprint β
βββββββΌββββββΌββββββββΌββββββββββββ€
β L1 β 1 β 15Β΅H β 1210 β
βββββββ΄ββββββ΄ββββββββ΄ββββββββββββ
</td>
<td valign="top">
βββββββ¬ββββββ¬ββββββββ¬ββββββββββββ
β Ref β Qty β Value β Footprint β
βββββββΌββββββΌββββββββΌββββββββββββ€
β R1 β 1 β 10k β 1206 β
βββββββ΄ββββββ΄ββββββββ΄ββββββββββββ
</td>
</tr>
</table>
<hr>
<table>
<tr>
<td align="center">πSwitches</td>
<td align="center">πConnectors</td>
</tr>
<tr>
<td valign="top">
βββββββ¬ββββββ¬βββββββββββββββββββ¬ββββββββββ¬ββββββββββββ
β Ref β Qty β Part β Notes β Footprint β
βββββββΌββββββΌβββββββββββββββββββΌββββββββββΌββββββββββββ€
β S1 β 1 β SPST Push Button β TL3305A β 4.5x4.5mm β
βββββββ΄ββββββ΄βββββββββββββββββββ΄ββββββββββ΄ββββββββββββ
</td>
<td valign="top">
ββββββββββ¬ββββββ¬ββββββββββββββ¬βββββββββββββββββββββββββ
β Ref β Qty β Part β Description β
ββββββββββΌββββββΌββββββββββββββΌβββββββββββββββββββββββββ€
β J1, J2 β 2 β 61302011821 β 1x20 2.54mm pin header β
ββββββββββ΄ββββββ΄ββββββββββββββ΄βββββββββββββββββββββββββ
</td>
</tr>
</table>
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.
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