The hardware is made up of automaticdialing, testing, alarming and playing, which is controlled by AT89C51 single chip microcomputer.
硬件部分以单片机at89c51为控制核心，包括自动拨号、检测、报警和放音等电路。
2
The device of the utility model is used together with the mobile phone and has the advantages of simple structure, automaticdialing alarm and reliable anti-theft effect.
本实用新型所述的装置和手机一起使用，具有结构简单并能自动拨号报警，防盗效果可靠的优点。
3
A new emergency automaticdialing alarm system for abnormal biological signals is introduced here, including hardware circuit, software procedure and integrated debugging.