Create a sensor with 'old' values

[PeteRage]

This post talks about how to insert data with historical timestamps using an automation.

This may also work using future timestamps.

Batch receive time series data

Hi guys, I am working on DIY sleep/breath monitor and figured out that I don’t need to send data from ESP32 in realtime, and decided to implement a batch sync in the morning. Thus, I faced this issue too. And looks like I just found a method to attach a timestamp to a value It looks quite simple - you just have to send a bunch of events like this, with your entity id (which should be already created in system), state value, and last_updated timestamp. event_type: state_changed event_data:…