Export CSV file

I need help to read 2 real type signals from an esp32, write records every 30 minutes in a table. One column must have date and time, another with the data, for example 30.97.
Can I do an automation so that every day at 24h a table with the data of the day is exported?
Where can I export this data to? Just for an email?
What is the cheapest plan to do this?
Any tutorial to help me?

Hello,

Perhaps this documentation will be useful to you https://docs.blynk.io/en/blynk.console/devices/actions-with-devices#bulk-actions

You can also use Node-RED to send data to a Google Sheet every time the device receives an update of the Virtual Pin value from the server or app. Something like this