#trying to write sensor data to a csv file

1 messages · Page 1 of 1 (latest)

tough bluff Apr 12, 2026, 12:42 AM

Largely like it says on the tin. I have a free fridge pantry in range of my HA, and I want to log when the door is opened and closed, just the timestamps so that if something happens I have an idea of what times to go back and review the camera footage for. The idea would be (using HA Container) to have the data write to pantry_logs/pantry_door_log.csv (from the /config mount point) , but I can't figure out how to write to a file. I do have NodeRed set up in case it helps, but I'm honestly not very familiar with it

fading sundial Apr 12, 2026, 3:13 PM

https://community.home-assistant.io/t/export-sensor-data-to-text-file/46804/3?u=sir_goodenough

Home Assistant Community

Export sensor data to text file

You can use the file notification for this. All you have to do is build the message like you want. eg: notify: - platform: file name: filenotify filename: /your/path/to/file.csv #timestamp: true automation: - alias: sensor_values_to_file initial_state: 'on' trigger: - platform: time at: '23:59:55' ac...