Exteral Reference
=================
These are all great websites you can refer to.

**Bare metal tutorials in C**

https://github.com/bztsrc/raspi3-tutorial

**Operating system tutorials in C**

https://github.com/s-matyukevich/raspberry-pi-os

**Operating system tutorials in rust**

https://github.com/rust-embedded/rust-raspi3-OS-tutorials

**Raspberry pi officical github**

https://github.com/raspberrypi/

**Embedded linux wiki page for Raspberry pi**

https://elinux.org/RPi_Hub