Packet dumps and interpreter for UART communication between a Fujitsu Airstage ducted indoor unit (AMUH24KUAS) and the official Fujitsu WiFi module (UTY-TFSXJ4). CSV captures were made on a Saleae Logic Pro 8. The rest was vibe coded. Potentially a starting point for a library to directly interface with Fujitsu Airstage air handlers via their UART. - View it on GitHub