Raspberry PI what is it? click here 
This page contains information on the Raspberry Pi: how to use it, getting started, and useful links, on the Raspberry Pi zero, zero W, Pi 2 and Pi3 and Pi 4...
Raspberry PI what is it? click here
Raspberry Pi4: the diodes, it does not start.. click here
How to install the latest version of Ubuntu on a Raspberry Pi : click here
Here a site here, where there are free Roms for several consoles, well supplied. RomHustler.org
- ENI Raspberry Pi 4 book (in french): Exploitez tout le potentiel de votre nano-ordinateur
by Francois Mocq (ENI éditions)
- The magazines (in french) Linux France, Linux pratique
and 01Net .
- What is Linux? What are the possibilities of the OS? click here
