Download Data from Graph

MIT App Inventor Help
1

bluetoothbrain_test.aia (211.1 KB)

Hello,

I’m making a graph for angle versus time and want to add a button so users can download the data. I've seen tutorials using TinyDB and CSV, but I’m not sure how to do it. Can someone explain how to set this up?.

I am using an Arduino nano 33 IOT to send data via bluetooth to my phone, and then a graph is generated.

Thanks!

2

Also post your Arduino sketch, so we can compare data types on both ends.

3

Here are changes to accumulate angles over time, timestamped as they arrive with Clock1.Systemtime.

The Sharing component is the easiest to use, skipping files entirely and feeding whatever other app you have that accept text.

blocks (1)
blocks (1)884×52 10.3 KB

blocks (2)
blocks (2)1370×180 26.8 KB

blocks
blocks1484×1514 360 KB

bluetoothbrain_test (1).aia (211.5 KB)

I left off niceties like emptying out that new list, and rounding the angles, which can be left for the import function wherever you receive the share.

4

Thank you, that's exactly what I needed

5

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