Driving recorder for vehicle
A driving recorder and recorder technology, which is applied in the registration/indication of vehicle operation, instruments, registration/instruction, etc., can solve the problems of limited storage capacity and inability to record vehicle trajectory, and achieve the effect of extending the recording time.
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[0014] Device of the present invention, its circuit principle block diagram is as figure 2 As shown, the single-chip model is the 8-bit single-chip chip AT89C51 produced by Atmel Company, which is used to receive the signal of the GPS receiving board and sample the A / D signal, and store the signal in the flash memory chip; when the driving process is over, the signal can be transferred from Read out from the flash memory and transmit to the desktop computer; the A / D conversion chip model is AD0804, which is a commonly used A / D conversion chip for collecting analog signals of vehicle conditions; the crystal oscillator, with a frequency of 11.0592MHz, is used to provide crystal oscillator signals for the microcontroller ;The FLASH memory chip is a FLASH memory chip produced by INTEL company, the model is 28F020, which is used to store the signal of the GPS receiving board and the sampling A / D signal. It is characterized by a large storage capacity and the information will not be...
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