In an age dominated by Wi-Fi 6, Bluetooth 5.3, and NFC, it is easy to forget that for nearly two decades, Infrared Data Association (IrDA) ports were the gold standard for short-range wireless data transfer. From early PDAs and feature phones to industrial equipment and medical devices, the humble IrDA port was ubiquitous. However, as modern laptops and desktops shed legacy ports, a critical problem emerged: how do you interface vintage or specialized IrDA equipment with a contemporary computer?