Reverse Engineering My Coway Air Purifier to Ditch the Cloud

A user reverse-engineered their Coway Airmega IconS air purifier to eliminate dependence on Coway's unreliable cloud service, which frequently breaks due to server changes and API modifications. By intercepting the device's Wi-Fi communication and creating a local control method, they were able to integrate the air purifier directly with their Home Assistant and Apple Home setup, avoiding the slow and problematic official mobile app and cloud infrastructure.