Sensor Net

What is Sensor Net?

Sensor Net is a small-scale wireless sensor network you can build with off-the-shelf hardware costing roughly $30 per node. Sensor nodes read temperature and atmospheric pressure from attached sensors, broadcast readings over long-range LoRa radio, and relay each other’s packets through a simple mesh network. A receiver node collects all the data and forwards it to a desktop monitoring application that provides live analytics and visualization.

This project was designed for Innovate ECE: The Ultimate Thread Challenge, demonstrating concepts from the Information Internetworks thread. The system showcases data capture, representation, transformation, transmission, and presentation across a distributed network of devices.

Documentation Sections

Getting Started

Everything you need to know before you begin: what Sensor Net is, the parts you need to buy, and the software to install.

Hardware

Detailed information about the Heltec development board, the TMP102 and BMP280 sensors, and step-by-step wiring instructions.

Firmware

How to set up, configure, build, and flash the firmware that runs on each node. Includes guidance on extending the platform with new sensors.

Monitor Application

Install, run, and use the desktop dashboard application that visualizes your sensor network in real time.

Concepts

In-depth explanations of the technologies behind Sensor Net: LoRa radio, mesh networking, Protocol Buffers, and end-to-end data flow.

Reference

Quick-lookup tables for configuration options, pin assignments, serial formats, firmware modules, and a complete glossary.