This directory contains all hardware-related documentation, 3D models, schematics, and assembly procedures for the LAN IoT project.

Disclosure: As an Amazon Associate I earn from qualifying purchases made with links from the products on this document.

hardware/
├── iotbox-v1/          # IoTBox Version 1 enclosure
├── iotbox-v2/          # IoTBox Version 2 enclosure (latest)
├── soldering-rig/      # Assembly fixture for hardware assembly
├── assembly/           # Assembly procedures and instructions
└── bom.md             # Bill of Materials (Coming Soon)

First generation enclosure design for the ESP32-S3 based LAN IoT device.

• Status: Superseded by V2
• Files: STL for 3D printing, FreeCAD source files
• View Details

Second generation enclosure with improvements based on V1 feedback.

• Status: Current production design
• Files: STL for 3D printing, FreeCAD source files
• View Details

Custom fixture for assembling and soldering LAN IoT hardware.

• Purpose: Ensures consistent assembly quality
• Files: STL for 3D printing, FreeCAD source files
• View Details

A comprehensive list of all components needed to build a LAN IoT device.

• View BOM (Coming Soon)

Step-by-step instructions for assembling the hardware.

• Assembly Guide - Includes PDF procedures and reference photos

All enclosure files are provided in STL format for 3D printing.

• Material: PLA or PETG
• Layer Height: 0.2mm
• Infill: 20%
• Supports: May be required for some parts
• Print Speed: Standard (50-60mm/s)

FreeCAD files (.FCStd) are provided for customization. You can modify dimensions, add mounting holes, or adapt the design for your specific needs.

Software Required: FreeCAD (Free and Open Source)

• Module: Seed Studio XIAO ESP32S3 or compatible
• Flash: 2MB minimum
• PSRAM: 2MB QSPI (recommended)
• GPIO Requirements:
  • GPIO0: Button input (built-in on most dev boards)
  • GPIO18, GPIO19: UART2 (RS-232 interface)

• Perfboard: 47x34mm for component mounting
• RS232 Module: RS232 to TTL Serial Port Module
• Tactile Button: Right angle tactile switch
• Pin Headers: 6 PIN Single Row Female connectors
• Jumper Wires: Connecting cables for breadboard

• Input: 5V DC via USB-C or external power
• Current: 500mA minimum (1A recommended)
• Backup: Optional battery backup capability

Hardware reference photos are available in the images directory, including:

• Assembled devices
• Component placement
• Cable routing
• Installation examples

We welcome hardware contributions! If you have:

• Improved enclosure designs
• Custom mounting solutions
• Alternative form factors
• New assembly fixtures

Please see our Contributing Guidelines for how to submit your designs.

All hardware designs in this repository are licensed under:

• Hardware Files: CERN Open Hardware License v2.0 or Apache 2.0
• Documentation: Apache License 2.0

See LICENSE for details.

• Core Firmware - ESP32-S3 firmware setup
• Quick Start Guide - Get started quickly
• Troubleshooting - Hardware issues

Questions? Contact via GitHub Issues or LinkedIn