SunFounder Da Vinci Kit Bedienungsanleitung Seite 307

MotorPin2 = 6
MotorEnable = 13
BtnPin = 22
def setup():
p_M1,p_M2
global
ADC0834.setup()
GPIO.setmode(GPIO.BCM)
GPIO.setup(MotorPin1, GPIO.OUT)
GPIO.setup(MotorPin2, GPIO.OUT)
p_M1=GPIO.PWM(MotorPin1,2000)
p_M2=GPIO.PWM(MotorPin2,2000)
p_M1.start(0)
p_M2.start(0)
GPIO.setup(MotorEnable, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(BtnPin, GPIO.IN)
def temperature():
analogVal = ADC0834.getResult()
Vr = 5 float(analogVal)
*
Rt = 10000 Vr
*
temp = 1/(((math.log(Rt
Cel = temp - 273.15
Fah = Cel 1.8
*
return Cel
def motor(level):
if level == 0:
GPIO.output(MotorEnable, GPIO.LOW)
return 0
if level>=4:
level = 4
GPIO.output(MotorEnable, GPIO.HIGH)
p_M1.ChangeDutyCycle(level
return level
def main():
lastState=0
level=0
markTemp = temperature()
while True:
currentState =GPIO.input(BtnPin)
currentTemp=temperature()
if currentState
level=(level+1)%5
markTemp
time.sleep(0.5)
lastState=currentState
if level!=0:
if currentTemp-markTemp
level
markTemp=currentTemp
if currentTemp-markTemp
level
markTemp=currentTemp
1.9. 3 Erweiterung
/ 255
/ (5 - Vr)
/ 10000)) /
+ 32
25)
*
== 1 and lastState
= currentTemp
<=
= level -1
>=
= level +1
3950) + (1 / (273.15+25)))
== 0:
-2:
2:
SunFounder Da Vinci Kit
(Fortsetzung der vorherigen Seite)
(Fortsetzung auf der nächsten Seite)
303