Abstract
Anti trailing of ATM system use the digital double differential move probe with infrared ray and microwave detection technology.These system includes digital processing software. The core is microcontroller of AT89C51 to control the pyroelectric infrared module , microwave emission detection module, infrared control module, voice chip modules and LED warning display by the process of burning into. The signal coming from each module is processed by Micro Control Unit to complete the the ATM around environment monitoring of customer to prevent the trailing events.
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