With the continuous development of the aging population, safety and health care for the elderly is gradually becoming a topic of concern.In order to carry out the remote and real-time monitoring of position and health status of the elderly, this paper designs a remote monitoring system of the elderly, which is based on GPS technology, GPRS communication technology, sensor technology and the Internet of things technology.The system takes STM32 as the main controller, carries the pulse sensor, uses SIM5320 as...