In this thread: Re: Intel Edison and Arduino Uno a user shares a code he uses to write a string using UART, however he is using the standard Yocto image. I'd suggest you to take a look at it, it may be helpful for you.
1 of 1 people found this helpful
thanks after a long search i found that those 2 lines are critical to get it going
- import mraa
- uart = mraa.Uart(0)