Which Khadas SBC do you use?
VIM3
Which system do you use? Android, Ubuntu, OOWOW or others?
Ubuntu
Which version of system do you use? Khadas official images, self built images, or others?
official ubuntu 20.04 4.19 kernel
Please describe your issue below:
`I cant export pin 13 gpio 506 as gpio getting invalid argument error
pls see attached pics
overlays line has just i2c3 and watchdog in it
Post a console log of your issue below:
**Delete this line and post your log here.**
