Design and implementation of wearable medical monitoring system on the internet of things

Abstract

The purposes are to improve the detection efficiency of medical health data and make full use of the Internet of Things technology for the rapid acquisition of human medical data. The most frequently used Android platform is adopted to design and implement a new wearable medical monitoring system with mobile phone monitoring and alarming functions. ATmega16 is the principal control chip of the system. A hardware system for the real-time monitoring of human body parameters such as pulse and body temperature is built combining pulse acquisition circuit, body temperature acquisition circuit, Bluetooth communication circuit, and power supply circuit. The monitored data are transmitted in real-time via Bluetooth communication to a dedicated Android APP for display, recording, and analysis. If the physical parameters exceed the normal range, an alarm message will be sent to the guardian via the mobile internet network. Results demonstrate that the Android platform-based wearable medical monitoring system can accurately obtain users’ detection information, record the information for later queries, transmit the information to the doctor for remote diagnosis, and provide users with more suggestions. The system has a pulse measurement error within 2BPM, a body temperature measurement error within 0.1 °C, and an alarming accuracy of 97%, which has a high application value. Therefore, the design of a wearable medical monitoring system based on the Android platform of the Internet of Things can help users understand their physical conditions in real-time and assist doctors in completing diagnosis, thereby providing more references for extracting relevant disease characteristics.