GM1356 Sound level monitoring

Set of tools that allows:

• measure sound level
• save it into database
• explore with Grafana

Works with Benetech GM1356 sound level meter.

[more screenshots]

Requirements

• Linux
• Python 3, mysql-connector-python
• Docker
• make
• curl
• netcat
• libhidapi-dev

Build and launch

Execute following commands:

# Clone this repo
git clone https://github.com/Potat0x/GM1356-Sound-level-monitoring.git

cd GM1356-Sound-level-monitoring/

# Build splread
make

# Start Grafana and MySQL
docker-compose up

# Init Grafana datasource and dashboard (use it only for the first launch)
(cd grafana-init; ./init.sh)

# Start server that receives readings on port 2389 and saves it to database
python3 server/server.py

# Run splread in infinite loop and send readings from stdout to server
./splread-runner.sh

Then visit http://localhost:13000/?orgId=1&search=open (use default admin/admin credentials) to watch graphs.

Allow non-root users to access GM1356

For Linux Mint/Ubuntu (works also on Raspberry Pi 4):

cp 1337-gm1356.rules /etc/udev/rules.d/1337-gm1356.rules

and reconnect device.

Launch on Raspberry PI

In docker-compose.yml replace image: mysql with image: hypriot/rpi-mysql.

Credits

Core part of this project (splread) is based on https://github.com/pvachon/gm1356.