Taking the single chip processor AT89C51 as the run controlunit, the device can automatically monitor the whole course of the sit up.
它以at89c 51单片机作为整机的运行控制部件，达到对仰卧起坐全过程的自动化处理。
2
As the controlunit of radio transmitter, micro-controller take charge of monitor machine state, dispose malfunction, and turn on or shut off the machine on schedule.
System's analog variable, switch variable collect unit and switch variable output unit can monitor and control some equipment, such as air-condition, ventilator and fire alarm equipment.