Uploaded June 2023 | Updated September 2026, 3 weeks ago

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Overview:
This project combines an Android chat app with an ESP32-based LoRa module to enable the wireless transmission of short messages. The Android app provides a user-friendly interface for sending and receiving messages, while the LoRa module facilitates long-range communication between the app and physical devices.

Workflow:
1. Android app establishes USB-Serial connection with ESP32 module.
2. Messages are sent from the app to the ESP32 module via USB-Serial.
3. ESP32 module transmits the messages wirelessly using LoRa.
4. Received messages are forwarded from the ESP32 module to the recipient's app via USB-Serial.
5. Messages are displayed to the recipient.

Benefits:
- Long-range communication capability
- Low power consumption for extended device operation
- Internet-independent communication

This project enables wireless short message transmission by integrating an Android chat app with an ESP32-based LoRa module, offering users a convenient way to communicate over long distances without relying on internet connectivity.

[Google Play - LoRa Chat App ]
play.google.com/store/apps/details?id=com.thatproject.lora_chat

[ESP32+LoRa(915Mhz)]
amzn.to/3NcxCIP

[ESP32-LoRa(SX1262) Source Code]
github.com/0015/ThatProject/tree/master/ESP32-LoRa/Chat_APP_SX1262

#Transceiver #ESP32 #LoRa #Android #ChatApp #UART #ThatProject