gsc-weather

Glenmore Sailing Club Weather Monitor

Providing general weather for sailors, high wind cutoff for GSC co-op boats and live wind conditions for race committee.

Overview

graph LR;
    Anemometer-->Arduino;
    AK09918-->Arduino;
    BMP180-->Arduino;
    ICM20600-->Arduino;
    Arduino-->RFM95W_LoRa_barge;
    RFM95W_LoRa_barge-->RFM95W_LoRa_basestation;
    RFM95W_LoRa_basestation-->Raspberry_pi;
    Raspberry_pi-->WeeWx;

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Arduino

Add to File->Preferences->Additional Boards Manager URLs: https://adafruit.github.io/arduino-board-index/package_adafruit_index.json

Wiring

Atmega32u4 - Adafruit Feather 32u4

• Anemometer - 6P4C (RJ11 phone) connector
  1. black - GND
  2. red - 3V
  3. green - PCINT5 (A9)
  4. yellow - unused
• I2C sensors - VCC, GND, SDA (2), SCL(3)
• Voltage divider - A1

Libraries

Libraries that need to be downloaded using Library Manager (Tools -> Manage Libraries)

• CRC - https://www.arduino.cc/reference/en/libraries/crc/
• LoRa - https://www.arduino.cc/reference/en/libraries/lora/
• EWMA - https://www.arduino.cc/reference/en/libraries/ewma/
• BMP180
  • https://github.com/adafruit/Adafruit_Sensor
  • https://github.com/adafruit/Adafruit_BMP183_Unified_Library
• Grove - IMU 9DOF - https://github.com/Seeed-Studio/Seeed_ICM20600_AK0991
• PCINT library - https://github.com/paulo-raca/YetAnotherArduinoPcIntLibrary
• Low-Power - https://github.com/rocketscream/Low-Power

Raspberry Pi

Wiring

SPI Setup

pi@raspberrypi:~ $ sudo raspi-config
        -> Interfacing Options -> SPI -> yes -> Finish

Python

Install Python Libraries

sudo python3 -m pip install crc adafruit-circuitpython-rfm9x

WeeWx

1. Install weewx (see the user guide: http://weewx.com/docs/setup.htm)

2. Zip the WeeWx-driver directory as GscLoRa.zip

3. Install the driver

   wee_extension --install GscLoRa.zip

4. Configure the driver

   wee_config --reconfigure

Windy driver

https://github.com/matthewwall/weewx-windy

Lighttpd

sudo apt install lighttpd

Add alias.url += ( "/weewx" => "/home/weewx/public_html" ) to file /etc/lighttpd/lighttpd.conf

Credit

Adafruit for great products and tutorials

WeeXx pi weather station, sensors and scripts, WeeWX-BCRobotics