Freenove 4WD Smart Car Board for Raspberry Pi User Manual

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Chapter 3 Module test (necessary)
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Result:
Every 1s, the distance between the obstacle and the ultrasonic module will be printed out, and you can press
"Ctrl + C" to end the program.
The code is as below:
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from Ultrasonic import *
ultrasonic=Ultrasonic()
def test_Ultrasonic():
try:
while True:
data=ultrasonic.get_distance() #Get the value
print ("Obstacle distance is "+str(data)+"CM")
time.sleep(1)
except KeyboardInterrupt:
print "\nEnd of program"
Reference
get_distance()
This function is used to obtain the distance between ultrasonic module and obstacles in front of it, with unit
CM.

Freenove 4WD Smart Car Board for Raspberry Pi Specifications

General

Brand	Freenove
Model	4WD Smart Car Board for Raspberry Pi
Category	Microcontrollers
Language	English