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18.2: Ultrasonic Avoidance Car
(1)Project Description
We've learned the knowledge of obstacle avoidance sensor. In this
project, we will integrate ultrasonic sensor, and car expansion board to
make an ultrasonic avoidance car.
Its principle is to detect the distance between the car and obstacle by
ultrasonic sensor and control the motion of smart car.
(2)Experimental Preparation：
➢ Insert micro:bit board into slot of keyestudio 4WD Mecanum Robot Car
➢ Place batteries into battery holder
➢ Dial power switch to ON end
➢ Connect micro:bit to computer by USB cable
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