Wondering how the Otis GDA26800KA1 mainboard performs in real elevator systems? In this technical walkthrough, we demonstrate the core control capabilities of this 32-bit ARM processor-based TCBC mainboard. You'll see how it manages elevator operations, processes safety signals, and communicates via CAN bus in compliance with EN 81-20/50 standards. Watch as we explore its input/output configuration and control algorithms that ensure precise speed and acceleration management.