SunFounder PiCar-4WD - Page 40

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Input the following command.
picar-4wd test grayscale
After you input the command, the monitor will print the readings of three detectors of line-following
module once.
③ Testing the servo and the ultrasonic module.
Start your wire up:
Servo Pin(0)
Brown -> Black
Red -> Red
Orange -> Yellow
Recognize the same