Bridging Legacy Medical Equipment with Modern EHR Systems: An IoT Case Study The client, a healthcare organization, faced challenges in integrating legacy serial port-based medical equipment with an EHR system. An IoT solution was implemented, utilizing Raspberry Pi, MQTT, GoLang, and REST APIs, ensuring data security and HIPAA compliance. This enabled seamless integration, enhanced interoperability, increased efficiency, and secure data transmission, showcasing the transformative potential of technology in streamlining healthcare processes and improving patient care.