We’re making progress on UDOO NEO’s M4 to allow Android + Arduino interaction.
Below you can read the release log of the latest changes on Android image of UDOO NEO.
Download the image from here:
Mirror EU: http://download.udoo.org/files/Neo_img/Android_img/udoo_neo_android-6.0.1_beta2.img.zip
SourceForge= https://sourceforge.net/projects/udooboard/files/UDOO_Neo/Android/udoo_neo_android-6.0.1_beta2.img.zip/download

2016-11-10, v6.0.1 beta2:
– Source code updated to android-6.0.1_r70
– Arduino M4 sketches are loaded at boot time from /data/m4last.fw
– UDOO FOTA Server accepts sketches from Arduino IDE
– Kernel updated to improve the ttyMCC A9/M4 communication
– Added Power Menu to gently shutdown/reboot the board
– Added Minicom application to test the ttyMCC communication
– Security patches updated to October 2016
– Minor bug fixes and improvements