SunFounder Da Vinci Kit Bedienungsanleitung Seite 123

import RPi.GPIO as
import time
dhtPin = 17
GPIO.setmode(GPIO.BCM)
MAX_UNCHANGE_COUNT
STATE_INIT_PULL_DOWN
STATE_INIT_PULL_UP
STATE_DATA_FIRST_PULL_DOWN
STATE_DATA_PULL_UP
STATE_DATA_PULL_DOWN
def readDht11():
GPIO.setup(dhtPin, GPIO.OUT)
GPIO.output(dhtPin, GPIO.HIGH)
time.sleep(0.05)
GPIO.output(dhtPin, GPIO.LOW)
time.sleep(0.02)
GPIO.setup(dhtPin, GPIO.IN, GPIO.PUD_UP)
unchanged_count
last = -1
data = []
while True:
current = GPIO.input(dhtPin)
data.append(current)
if last !=
unchanged_count
last =
else:
unchanged_count
if unchanged_count
break
state = STATE_INIT_PULL_DOWN
lengths = []
current_length
for current in
current_length
if state ==
if current
state
else:
continue
if state ==
if current
state
else:
continue
if state ==
if current
1.7. 1 Ausgabe
GPIO
= 100
= 1
= 2
= 3
= 4
= 5
= 0
current:
= 0
current
+= 1
> MAX_UNCHANGE_COUNT:
= 0
data:
+= 1
STATE_INIT_PULL_DOWN:
== GPIO.LOW:
= STATE_INIT_PULL_UP
STATE_INIT_PULL_UP:
== GPIO.HIGH:
= STATE_DATA_FIRST_PULL_DOWN
STATE_DATA_FIRST_PULL_DOWN:
== GPIO.LOW:
SunFounder Da Vinci Kit
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119