电子秤代码hx711模板
时间: 2024-03-02 10:45:28 浏览: 19
以下是一个使用HX711模块的电子秤代码模板:
```python
import RPi.GPIO as GPIO
import time
# 定义HX711模块的引脚
DT = 5
SCK = 6
def setup():
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.setup(SCK, GPIO.OUT)
GPIO.setup(DT, GPIO.IN)
def get_weight():
# 重置HX711模块
GPIO.output(SCK, GPIO.HIGH)
GPIO.output(SCK, GPIO.LOW)
# 读取重量数据
while GPIO.input(DT) == GPIO.HIGH:
pass
data = 0
for i in range(24):
GPIO.output(SCK, GPIO.HIGH)
data = data << 1
GPIO.output(SCK, GPIO.LOW)
if GPIO.input(DT) == GPIO.HIGH:
data = data + 1
GPIO.output(SCK, GPIO.HIGH)
data = data ^ 0x800000
GPIO.output(SCK, GPIO.LOW)
return data
def main():
setup()
while True:
weight = get_weight()
print("Weight: {}g".format(weight))
time.sleep(1)
if __name__ == '__main__':
main()
```