LoRaWAN based IoT Network

November 2025

Engineered a point-to-point LoRa link using Heltec ESP32 boards to transmit motion data over LoRaWAN. Integrated MPU6050 sensor for real-time acceleration and gyroscope data via I2C protocol. Implemented ACK/NACK handshaking and CRC validation for data integrity.

Embedded Systems Python IoT

Project Gallery

Project Overview

This project demonstrates a reliable wireless sensor network using LoRaWAN technology. The system captures real-time motion data from an MPU6050 sensor and transmits it wirelessly using two Heltec ESP32 boards configured in a point-to-point LoRa link.

Key Features

Long-Range Communication: Utilizes LoRaWAN for extended wireless range
Real-Time Data Capture: MPU6050 sensor provides acceleration and gyroscope readings
Reliable Transmission: ACK/NACK handshaking ensures data delivery
Data Integrity: CRC validation prevents corrupted data
Visual Feedback: Integrated display shows real-time sensor readings

Technical Implementation

Hardware Components

2x Heltec ESP32 LoRa boards
MPU6050 6-axis motion sensor
Integrated OLED display

Communication Protocol

The system implements a custom protocol featuring:

I2C communication with MPU6050 sensor
LoRa packet transmission with headers
ACK/NACK acknowledgment system
CRC checksum validation

Future Enhancements

Multi-node network support
Cloud data logging
Mobile app integration
Battery optimization