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README.md

Pi Weather Station (PiWS) Project README

PiWeatherStation (PiWS) is an open-source project developed to collect weather, and other sensor related observations, and aggregate them to once-per-minute observations. This project includes firmware for the ATMega328 chip to read data from the sensors, a Python service to run on a Raspberry Pi to read the serial data from the ATMega chip, and a PostgreSQL database to store the raw observations. An optional service to send data to the sensor data API

Ansible is used to setup the Raspberry Pi and install the PiWS services.

Dependencies

  • Ansible
  • Git
  • Arudino Temperature Control Library (Dallas Temperature)
  • DHT library
  • PostgreSQL 9.5 + ( Will bump to 11 when IDENTITY columns introduced)
  • Python
  • PostgreSQL Data Dictionary (pgdd)

Will you support older version of PostgreSQL than 9.5?

No. The data loading code uses ON CONFLICT and requires PostgreSQL 9.5 or later.

Setting Up

  • Summary of set up
  • Configuration

Database Deployment

PiWS uses (Sqitch)[https://github.com/theory/sqitch] to deploy and manage the PostgreSQL database.

Dev Deployment Instructions

To run the PiWS, setup connection to database using environment variables.

source ~/venv/piws/bin/activate

cd ~/git/piws

export DB_HOST=127.0.0.1
export DB_USER=piws
export DB_NAME=piws
export DB_PW=SecurePassword
export APP_LOG_LEVEL=DEBUG

# Options expanded/standard.  Default is expanded
#export PIWS_SCB_CONFIGURATION=expanded

python run_station.py
source ~/venv/piws/bin/activate
export DB_HOST=127.0.0.1
export DB_USER=piws
export DB_NAME=piws
export DB_PW=SecurePassword
export API_HOST=http://127.0.0.1:5000
export TYG_API_KEY=YourAPIKeyHere
export TYG_SENSOR_ID=0

python send_to_api.py

Env Var for Expanded SCB

export PIWS_SCB_CONFIGURATION=expanded

Manual Database deployments

For testing purposes:

PGOPTIONS='-c search_path=piws,public' sqitch deploy db:pg://piws:yourpassword@127.0.0.1:5432/piws

Unit tests w/ Coverage

source ~/venv/piws/bin/activate
cd  /media/sf_git/piws
coverage run -m unittest tests/*.py

Licensing

MIT

Contribution guidelines

Coming soon...

  • Writing tests
  • Code review
  • Other guidelines

Getting Help

If you have questions, feel free to email RustProof Labs at support@rustprooflabs.com or use our contact form.

About

Pi Weather Station (PiWS) provides an open source solution to collecting weather data from sensors.

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