Page 377 - MDP2020-1

················································································ 명장양성프로젝트 【MDP】 과제발표회 자료집 Ⅰ | 371

if not EMULATE_HX711:
import RPi.GPIO as GPIO
from hx711 import HX711
else:

from emulated_hx711 import HX711

def cleanAndExit():
print("Cleaning...")

if not EMULATE_HX711:
GPIO.cleanup()

print("Bye!")
sys.exit()

hx = HX711(16, 20) # 사용하는 SCK와 DT 핀 번호 설정

hx.set_reading_format("MSB", "MSB")

hx.set_reference_unit(228) # 무게 센서 영점 조절
#hx.set_reference_unit(referenceUnit)ㅉ

hx.reset()

hx.tare()

print("Tare done! Add weight now...")

while True:
try:
val = hx.get_weight(5)
print(val)

hx.power_down()
hx.power_up()
time.sleep(0.1)

except (KeyboardInterrupt, SystemExit):

cleanAndExit()