单片机数字式心率检测仪的程序。四个按键分别可以实现选择选择档位、初始化、测量、显示档位范围功能。同时具有声光报警、掉电存储、上传pc机等功能。-Microcontroller digital heart rate detector program. Four buttons are selected gear selection can be achieved, initialization, measurement, display stalls range capabilities. Bot