Starter Guide

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3. Experimental code
Lesson 33 Ultrasonic control DC motor->code->microbit-Ultrasonic+DC-
motor.hex
Lesson 33 Ultrasonic control DC motor->code->Ultrasonic_control_DC
motor.py
4. Click flashand download the code onto the micro: bit
The closer the obstacle is detected by the ultrasonic, the slower the
rotational speed is.
Effect Picture