Design of Health Assistant Bracelet for The Elderly Based on STM32

As the elderly population increases year by year, there are more and more studies on smart bracelets for the elderly. In this paper, the bracelet can monitor the heart rate, record the number of steps, trace the sleep state and realize the one-button rescue function through the APP. STM32F103VET6 is used as the MCU of bracelet.ST188 is used for monitoring heart rate. MPU6050 of InvenSense company is used to record the steps.This system realizes health monitoring and one-button rescue function.It is proved that pressing the help button can call an emergency contact and send the user's location and health information to the emergency contact.It plays an important role in health monitoring and rapid relief of lonely elderly.