Page 301 - 2020학년도 MDP과제발표회 자료집 (통신과) (3)

pulse_end = time.time()
if ((pulse_end - pulse_start)*1000000) >= MAX_DURATION_TIMEOUT:
print_distance(0)
fail = True
break

if fail:
continue

pulse_duration = (pulse_end - pulse_start) * 1000000
distance = distanceInCm(pulse_duration)
distance = round(distance, 2)
print_distance(distance)
GPIO.cleanup()

if __name__ == '__main__':
main()
- 미세먼지 센서(DSM501A)

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