Temperature and Humidity Data Transfer with LoRa Protocol

This repository contains Arduino code for sending temperature and humidity data using the LoRa protocol and receiving and processing them in JSON format via LoRa. The project consists of two parts: a client and a server, allowing you to monitor temperature and humidity using DHT modules and communicate with LoRa modules.

• The client part reads temperature and humidity data from a DHT sensor, packages the data in JSON format, and transmits it to the server using LoRa.

• The server part opens the received data from the client, extracts sensor data from the JSON, and, if the data meets specific conditions (e.g., humidity above 30% and temperature above 32°C), controls a device (e.g., a fan).

This project provides the flexibility for further customization to meet your specific needs and offers the capability to monitor and control temperature and humidity data. LoRa is used as an efficient communication protocol for data transmission.

Table of Contents

• Client
• Server
• Hardware Requirements
• How it Works
• Getting Started

Client Part

How it Works

The client reads temperature and humidity data from the DHT sensor, packages it in JSON format, and sends it via LoRa to the server. The data is periodically sent in 5-second intervals.

Hardware Requirements

• ESP-WROOM-32
• LoRa module (Ra-02)
• DHT sensor (DHT11)

Server Part

How it Works

The server receives LoRa packets, extracts the JSON data, and checks the humidity and temperature values. If they meet the specified conditions, it controls a fan (or other device).

Hardware Requirements

• ESP-WROOM-32
• LoRa module (Ra-02)
• Fan (or any other device to control)

LoRa Module Pin Connections to ESP32

LoRa Pin	ESP32 Pin	Description
ANA	-	Antenna
GND	GND	Ground
3.3V	3.3V	3.3V Power
DIO0	GPIO 2	Digital Input/Output 0
RESET	GPIO 5	Reset
NSS	GPIO 4	Slave Select
SCK	GPIO 18	Serial Clock
MOSI	GPIO 23	Master Out Slave In
MISO	GPIO 19	Master In Slave Out

Please ensure the correct wiring of these connections for your LoRa communication.

Getting Started

1. Clone this repository to your local machine.
2. Set up the client and server components on separate Arduino boards.
3. Ensure the necessary libraries (LoRa, DHT, and ArduinoJson) are installed in the Arduino IDE.
4. Upload the client code to the client board and the server code to the server board.
5. Connect both boards to a power supply.
6. Monitor the serial output of the client to ensure it's sending data.
7. Monitor the serial output of the server to check if it's receiving and processing data.

You can further customize and expand upon this project to suit your needs.

Enjoy working with LoRa and collecting temperature and humidity data!