Explore the development of an open-source control system for camping vehicles in this conference talk from Easterhegg 2019. Learn about the challenges of proprietary control systems in recreational vehicles and the potential for a manufacturer-independent solution. Discover the current state of a project aiming to create a central control point for monitoring and managing various vehicle parameters, including heating, air conditioning, and battery sensors. Gain insights into different manufacturer protocols, bus systems like CI-Bus, Ti-Bus, and LIN-Bus, and the use of sensors and components from automotive suppliers. Understand the implementation of a Raspberry Pi-based system with additional boards for DC/DC conversion and bus transceivers. Additionally, receive a brief update on the previous year's talk about security locks in camping vehicles and their hidden master keys.