An intelligent anti-theft lock tracking system which can fix position automatically is designed

MCU STC12C5A60S2 is chosen as main controller

and the system is composed of LCD display module

sound-light alarm module

GSM communication module

GPS module

acceleration module and some other function modules.When vehicle is stolen

system can realize sound light alarm function without human

and lacate the position of vehicle after stolen using GPS module

meanwhile

the location information will be sent to the owner through short message by GSM module. Test results show that system positioning error is less than 5 m and information updating rate is not less than 0. 2 times / min.