Bluetooth connection from Arduino to Android phone wont connect

[jafal]

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Android Bluetooth to Arduino and vice versa

Today I have spent some time trying to plot some lines to the canvas like I’ve done before with the Ketai lib, but I found out that I can’t plot any data on my Android 10 phone. It connects and I can read the data in the console with the println() function but that’s it. So I installed the APDE version v0.4.1 Alpha which I used the last time for plotting and installed it on my Lollipop phone, Which worked again. But for me working with a library that can’ even transmit data to the draw() loop ma…