How to Build a LoRa Transmitter & Receiver using ESP32 & RYLR998 Module
Learn how to set up long-range wireless communication using the Reyax RYLR998 LoRa module and ESP32. In this tutorial, I'll show you how to connect the RYLR998 via UART, send AT commands, and transmit data between two ESP32 boards using the Arduino IDE.
Unlike standard SPI LoRa modules (like the SX1278) that require complex wiring, the RYLR998 is incredibly easy to use with just 4 wires! We will test the RSSI (Signal Strength) to see how well it performs for Point-to-Point (P2P) projects.
💡 *Key Concepts Covered:*
LoRa UART Communication
ESP32 HardwareSerial (Serial2)
AT Commands for RYLR998
Point-to-Point Wireless Communication
🛠 Components List:
ESP32 Development Board (x2)
https://amzn.to/493Wv5A | https://s.click.aliexpress.com/e/_c2I...
Reyax RYLR998 LoRa Module (x2)
Amazon: https://amzn.to/4dh9LWU
Digikey: https://www.digikey.com/en/products/d...
ebay: https://www.ebay.com/itm/185968668254
Jumper Wires & Breadboard
⚡ *Video Chapters:*
00:00 Introduction to RYLR998 LoRa Module
00:37 RYLR998 Specs & Pinout (3.3V Logic)
01:20 Wiring ESP32 to LoRa (Circuit Connection)
02:36 Explaining the Transmitter Code
03:12 Addressing Logic: Local vs. Destination Address
04:35 Setting up AT Commands
05:58 Uploading Code to Transmitter
06:43 Setting up the Receiver Unit
07:55 Live Test: Sending Wireless Data
08:39 Range Test Plans & Outro
📂 Download Code & Schematics: 🔗 GitHub Repository: [https://github.com/ittipu/ESP32-RYLR9...]
Website - https://iotbhai.io/
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GitHub - https://github.com/ittipu
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