I have a temperature sensor at my room and i want to know the temperature by asking my Amazon Echo. Is this posible in home assistant?
It’s possible but you will need to set up the custom integration “Alexa Media Player” then you can set up a dummy entity to trigger replies based on the routine you set up.
here is a (looooong) thread about it:
Here is the thread about the dummy entity:
Nabu Casa will link simple sensors to Alexa. For more complex interaction have a look at the following