基于raspberry的温湿度传感器

Import RPI.GPIO as GPIO 
Import time

Channel =4 
Data = []
J = 0

GPIO.setmode(GPIO.BCM)

Time.sleep(1)

GPIO.setup(channel, GPIO.OUT)
GPIO.output(channel, GPIO.LOW)
Time.sleep(0.02)
GPIO.output(channel, GPIO.HIGH)
GPIO.setup(channel, GPIO.IN)

While GPIO.input(channel) == GPIO.LOW:
  Continue
While GPIO.input(channel) == GPIO.HIGH:
  Continue

While j <40:
  K = 0
  While GPIO.input(channel) == GPIO.LOW:
Continue
  While GPIO.input(channel) == GPIO.HIGH:
K += 1
If k > 100:
      Break
  If k <8:
Data.append(0)
  Else:
Data.append(1)

  J += 1

Print “sensor is working.”
Print data

Humidity_bit = data[0:8]
Humidity_point_bit = data[8:16]
Temperature_bit = data[16:24]
Temperature_point_bit = data[24:32]
Check_bit = data[32:40]

Humidity = 0
Humidity_point = 0
Temperature = 0
Temperature_point = 0
Check = 0

For I in range(8):
  Humidity += humidity_bit[i] * 2 ** (7-i)
  Humidity_point += humidity_point_bit[i] * 2 ** (7-i)
  Temperature += temperature_bit[i] * 2 ** (7-i)
  Temperature_point += temperature_point_bit[i] * 2 ** (7-i)
  Check += check_bit[i] * 2 ** (7-i)

Tmp = humidity + humidity_point + temperature + temperature_point

If check == tmp:
  Print “temperature :”, temperature, “*C, humidity :”, humidity, “%”
Else:
  Print “wrong”
  Print “temperature :”, temperature, “*C, humidity :”, humidity, “% check :”, check, “, tmp :”, tmp

GPIO.cleanup()