版权声明:(谢厂节的博客)博主文章绝大部分非原创,转载望留链接。 https://blog.csdn.net/xundh/article/details/82053022
电位器电路图:
接线图:
实体图:
代码:
PCF8591.py
代码同上一节。
potentiometer.py
#!/usr/bin/env python
import PCF8591 as ADC
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
def setup():
ADC.setup(0x48)
def loop():
status = 1
while True:
print 'Value:', ADC.read(0)
time.sleep(0.2)
if __name__ == '__main__':
try:
setup()
loop()
except KeyboardInterrupt:
pass
运行效果: