I have been working on a arduino project based on firebase real time database. My task is to monitor change in values of KEYS . I am able to read KEYS from arduino but to do this I am reading KEYS in a loop but this increases my data traffic, which I dont want to do( Google gives 10 GB of free data for RTDB). I want this process in such a way that whenever there will be change in KEY'S value firebase should inform my controller that values have been changed . By doing this I can avoid reading KEY again and again and this way I can save Data traffic. Please help me if there is any efficient way to get to know change in KEYs values.
I wants that firebase RTDB should send value of key whenever there will be change in values
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1 Answers
Since you use the Firebase-ESP8266 library, you need to use the technique described in the "Server Data Changes Listener with Server-Sent Events or HTTP Streaming" section of the documentation.
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