# Bluetooth connection from Arduino to Android phone wont connect

**URL:** <https://discourse.processing.org/t/bluetooth-connection-from-arduino-to-android-phone-wont-connect/36378>\
**Category:** Electronics (Arduino, etc.)\
**Created:** [April 16, 2022, 12:21pm UTC](https://discourse.processing.org/t/bluetooth-connection-from-arduino-to-android-phone-wont-connect/36378 "2022-04-16T12:21:26Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![jafal](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/jafal/32/19112_2.png) [@jafal](https://discourse.processing.org/u/jafal)\
**Post date:** [April 17, 2022, 3:35pm UTC](https://discourse.processing.org/t/bluetooth-connection-from-arduino-to-android-phone-wont-connect/36378/3 "2022-04-17T15:35:06Z")

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Try this

> [@Android Bluetooth to Arduino and vice versa](https://discourse.processing.org/t/android-bluetooth-to-arduino-and-vice-versa/26578/112):
>
> 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](https://github.com/Calsign/APDE/releases/tag/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…

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