I just finished documenting my Oak project, which allows me to monitor my PC and send keyboard commands via the web.
With the help of a SparkFun Pro Micro (3.3v), you can wake a PC up, enter keystrokes, keep track of CPU/RAM/Disk usage, etc.
The full documentation is here:
https://www.withoutthesarcasm.com/digistump-oak-based-system-monitor/I've also published all the source code, which I tried to comment heavily:
https://github.com/agent86ix/oaksysmonIf you're trying to do I2C with the Oak, or you want to serve a large webpage, etc, hopefully there's something in my code that will be helpful for you!
