One Cable, Many Screens: A Self-Hosting PoE Raspberry Pi 4 Infotainment System

This is version 2 of my multi-screen Raspberry Pi infotainment project. The first version ( DIY In-Car Infotainment ) required a separate pocket router for DHCP, DNS, and DLNA. This version eliminates that dependency — one prebuilt SD card image works for all terminals, and the system configures itself automatically at boot. Last updated: February 9, 2026 What's New in v2.1 Touch-friendly OSD…