Use your Raspberry Pi as a Home Theater Server.
The top dogs in the media server space now face some competition from Jellyfin, a relatively young project that impresses with a number of innovations.
Learn the Julia Programming Language on a Raspberry Pi
Create GUIs and a web app that connects to sensors.
A Real-Time Operating System for Microcontrollers
Exploit the full power of your microcontroller with the FreeRTOS multitasking operating system.