This document describes in details the way I like to install and configure a Raspberry Pi device running Raspberry Pi OS (Raspbian) and OctoPrint with Supervisor and Nginx. One of the objectives is to be able to run more than one instance of OctoPrint on the same Raspberry Pi device. This way, it is possible to test the latest Stable release, Release Candidates of the maintenance branch, the development branch, etc.
In this document, I will try to describe everything I know about the Wanhao Duplicator i3 Plus 3D Printers, regarding hardware and software. Do not expect a review or guides to do this or that. This document is about technical details, deep details.