Tag: automation

Saving Aranet4 data to Raspberry Pi

Recently I was curious about the amount of CO2 present while sleeping and working; I ended up buying an [cached]Aranet4 monitor. It's great to see the reading live, but I would also like to compare trends over time. The Aranet4 itself can only store a maximum of 7 days of data, so for longer term analysis I need to periodically export the data.

This is where a Raspberry Pi comes in handy! First, install the necessary packages:

sudo apt install bluetooth pi-bluetooth bluez blueman

Use bluetoothctl to pair the Aranet4:

sudo bluetoothctl
> scan on …

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