Introduction - If you have any usage issues, please Google them yourself
The car speed and distance monitoring and automatic braking system through real-time monitoring of vehicles and the speed between the ultrasonic sensor and the Holzer front obstacle distance with the vehicle, and transmits the data to the LED display, through the microcontroller to get data with the preset speed and safety distance comparison, judging whether the vehicle safety, if the security is controlled by the single chip computer brake actuator.