AbstractCreate a Vibration sensor for detecting device used as a thief who can offer. This doiwongchon consists of shocksensor and HBF4093B cmos 801s doiwongchon to send data to the primary color call micro-circuit by operation of the band. When there is a vibration Shock sensor with the 801s body Shock sensor pulse signal will be sent 801s debuted as a square wave pulse signal, then it is still stable. Afterwards, will send a signal to the microprocessor circuit call icon color. In this section we will define the value of vibration. Afterwards, will be sent to the output when the value reaches the vibration will cause the output work. In the section of the output cycle we Amplifier circuit to cause alarm and, on the other hand, Output is sent to the GSM Module in order to send a message to a mobile phone.
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