Meat curing chamber

Raspberry Pi meat curing chamber and mini IoT framework

Packages

csv_writer (Python) - Writes humidity and temperature data to CSV file
dht (Python) - Publishes humidity and temperature data from Adafruit DHT series sensors
metrics (Python) - Exposes metrics with Prometheus
monitor_flutter (Dart/Flutter) - Flutter (tested with Android) app that displays humidity and temperature
monitor-web (JS) - Web app that displays humidity and temperature
rf433-cpp (C++) - Operates 433hz devices, used to turn on/off humidifier and fridge
rf433_py (Python) - Operates 433hz devices, used to turn on/off humidifier and fridge
slack (Python) - Posts messages to slack channel

Build

Clone repo

git clone https://github.com/mattcontinisio/meat-curing-chamber.git

Python

Python packages can be built individually.

mkvirtualenv -p python3 meat-curing-chamber

cd packages/dht/
pip install .

C++

Install dependencies

See scripts/install_* scripts for how to install dependencies.

Build with CMake

mkdir build
cd build
cmake ..
make

There is also a build script for convenience.

# Creates _build_release_gcc_make folder
./scripts/build_cpp.sh release gcc make

monitor_flutter

monitor_flutter is a Flutter app that displays the current humidity and temperature data.

cd packages/monitor_flutter

# Run app
flutter run

monitor-web

monitor-web is a React web app that displays the current humidity and temperature data.

cd packages/monitor-web

# Run app in development mode
yarn start

# Build app for produciton
yarn build

See the Readme for more info.

Bazel

work in progress

bazel build //...

Usage

Run MQTT message broker such as Mosquitto
Set up Raspberry Pi hardware
Configure and run services

Basic humidifier controller

Create configuration. See config/bedroom.ini for example.

Run DHT service

# Use config.ini
./packages/dht/scripts/dht.sh

# Specify config file to use
./packages/dht/scripts/dht.sh -c config/bedroom.ini

Run humidity controller

# Use config.ini
./packages/rf433-cpp/scripts/humidity_controller.sh

# Specifiy config file to use
./packages/rf433-cpp/scripts/humidity_controller.sh -c config/bedroom.ini

Other services can optionally be run for monitoring, logging, etc.