cxzhangqi/MarcoLora

In the offshore ocean, raspberrypi connect Hydrophone to detect underwater noise, after processing the data then using LoRa to transfer data to laptop

Lora Application

In the offshore ocean, raspberrypi connect Hydrophone to detect underwater noise, after processing the datas then using lora to transfer datas to laptop

Flowchart

Hardware

• GPS : L76 GPS HAT by Waveshare
• Lora : LoRa USB dongle gateway by iFrogLab
• Hydrophone : icListen SC2 by ocean sonics

Install

pip install soundfile 

sudo apt-get install libsndfile1

Download folder main\ all files and import

import LoRa.py
import L76X.py

Step of code

1. Download the files which Hydrophone already output then save in raspberrypi.
2. waiting for Hydrophone output tje next data in one minute.
3. Get offical time and position from GPS.
4. Starting detect and download the file.
5. Processing the file, using 1/3 octve filter output dB values in one second.
6. Back up output datas in txt files in raspberrypi.
7. Use lora sent output datas.
8. (recycle 4.-8.)