Web visualization tool suggestion for andriod?

Hi,

I am new to this forum. First allow me to explain my situation.

In my andriod app, I receive temperature sensor data from my BLE devices every 10 sec. Now my questions are as below.

I want to send my temperature sensor data i received on my andriod to web based visualizations tools and display as graph and refresh automatically every 30 sec. But I know nothing about them. So

Q1. Is there any free web visualization tool that I can use my andriod to send data to?

Q2. I have seen some...

Web visualization tool suggestion for andriod?

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