Code Erklärung - SunFounder Da Vinci Kit Bedienungsanleitung

SunFounder Da Vinci Kit
p = GPIO.PWM(servoPin, 50)
p.start(0)
map(value, inMin, inMax, outMin, outMax):
def
return (outMax
def setAngle(angle):
angle = max(0, min(180, angle))
pulse_width = map(angle, 0, 180, SERVO_MIN_PULSE, SERVO_MAX_PULSE)
pwm = map(pulse_width, 0, 20000, 0, 100)
p.ChangeDutyCycle(pwm)#map the angle to duty cycle and output it
def doorbell():
for i in range(1, len(song)):
Buzz.ChangeFrequency(song[i])
time.sleep(beat[i]
time.sleep(1)
def closedoor():
GPIO.output(ledPin, GPIO.LOW)
for i in range(180, -1, -1):
setAngle(i)
time.sleep(0.001)
time.sleep(1)
def opendoor():
GPIO.output(ledPin, GPIO.LOW)
for i in range(0, 181, 1):
setAngle(i)
time.sleep(0.001)
time.sleep(1)
doorbell()
closedoor()
def loop():
while True:
if GPIO.input(pirPin)==GPIO.HIGH:
opendoor()
def destroy():
GPIO.cleanup()
p.stop()
Buzz.stop()
if __name__ == '__main__':
setup()
try:
loop()
except KeyboardInterrupt:
be executed.
destroy()
Code Erklärung
def setup():
global p
286
# set Frequece to 50Hz
# Duty Cycle = 0
- outMin) (value
*
# make the servo rotate to specific angle (0-180 degrees)
0.25)
*
#make servo rotate from 180 to 0 deg
#make servo rotate from 0 to 180 deg
# Write to servo
# Program start from here
# When 'Ctrl+C' is pressed, the program destroy() will
- inMin) / (inMax -
# Play song 1
# Change the frequency along the song note
# delay a note for beat * 0.25s
# Wait a second for next song.
# Release resource
(Fortsetzung der vorherigen Seite)
inMin) + outMin
(Fortsetzung auf der nächsten Seite)
Kapitel 1. Über das Da Vinci Kit