Title:
jiyuAT89C51dianpianjidaochelieda
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Description: Abstract reversing radar car parking or reversing the safety of assistive devices, and to inform the driver around the obstacle to the sound or a more intuitive display, the lifting of the driver parking, reversing and start the vehicle around to visit troubled, and to help the driver to remove a vision of dead ends and blurred vision defects and improve driving safety. This design uses ATMEL Corporation AT89C51 microcontroller, ultrasonic sensors ranging ultrasonic parking sensor. LED and light-emitting diodes, said that whether there are obstacles within the sensor detection range, when there is an obstacle in the detection range, the LED flashing in a certain frequency, the flicker frequency is set to distance, the closer the higher the frequency. At the same time, the buzzer alarm, detection, and indicate the obstacle distance.
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jiyuAT89C51dianpianjidaocheliedabiyesheji.doc
