Shameless Plug :)
I did an intro to iOS (Swift) talk and uploaded a simple example project for people to play with:
There's also an intro to Arduino project:
For me, I learn best by taking something that works and changing it/breaking it / fixing it. So I wanted to provide something simple for others to play in as well :)
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.