themanagement,enhance the safety.Its usable,he function is plete,the
technologicaladvance,causes the people to believe that this is the
advance in technology achievement.It lets the humanity understand
that Digital Age's development will change humanity's life,will speed
up the science and technology the development.Automatic control
system is the heart of the design,and the measure of the important
indexes,the manufacture level. Also, it gradually toward
large-scale,plicated and intelligent direction.
This design mainly 8052 takes the control core using the
monolithic integrated circuit,direct current system which the electrical
machinery, the pyroelectric infrared sensor,the potentiometer
unify.Has displayed monolithic integrated circuit's performance
fully.Its merit hardware circuit is simple,the software function is
perfect,the control system is reliable,the performance-to-price ratio
highercharacteristic,has certain use and the reference value.
Keyword：automatic door;SCM;control;PIRS
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