Hello,

There is a broken link in the Motherboard Manual on page 28, last paragraph of the page “HERE”:

Now you can get programming! Read are
quick coding guide in for this board. Download some of our example sketches from
HERE or find a tutorial online and follow it.
There are plenty of Youtubers with great tutorials. Lots of written tutorials online as well.
Check out Instructables, the Arduino website
and others.