Abnormal delay reminding device for traffic at road intersection
A technology for reminding devices and intersections, applied in traffic control systems of road vehicles, traffic control systems, instruments, etc., can solve problems such as increasing traffic noise
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[0008] like figure 1 As shown, the present invention is composed of HC-SR04 ultrasonic ranging sensor (1) 51C single chip processor (2) LCD1602 display (3) and buzzer (4).
[0009] The ultrasonic sensor (1) is stably fixed in the proper position in front of the vehicle body (near the headlights), and the microcontroller (2), the display (3) and the buzzer (4) are installed in the proper position in the cab. When the device is activated, the ultrasonic sensor (1) can measure the longitudinal distance between the vehicle and the preceding vehicle, and transmit the signal to the single-chip microcomputer 51C (2). After processing and calculation, the result is transmitted to the LCD1602 display (3). If the distance exceeds the limit, the buzzer (4) will sound to remind the driver.
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