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lightFading.py
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lightFading.py
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# main.py -- put your code here!
import pyb
led4 = pyb.LED(4)
led3 = pyb.LED(3)
led2 = pyb.LED(2)
led1 = pyb.LED(1)
sw = pyb.Switch()
intensity4 = 0
intensity3 = 0
intensity2 = 0
intensity1 = 0
led4.on()
led4.intensity(0)
led3.on()
led3.intensity(0)
led2.on()
led2.intensity(0)
led1.on()
led1.intensity(0)
while True:
if sw():
intensity4 = min(255, intensity4 +1)
else:
if intensity3 == 0:
intensity4 = max(0, intensity4 - 1)
if sw():
if intensity4 == 255:
intensity3 = min(255, intensity3 +1)
else:
if intensity2 == 0:
intensity3 = max(0, intensity3 -1)
if sw():
if intensity3 == 255:
intensity2 = min(255, intensity2 +1)
else:
if intensity1 == 0:
intensity2 = max(0, intensity2 -1)
if sw():
if intensity2 == 255:
intensity1 = min(255, intensity1 +1)
else:
intensity1 = max(0, intensity1 -1)
led4.intensity(intensity4)
led3.intensity(intensity3)
led2.intensity(intensity2)
led1.intensity(intensity1)
pyb.delay(20)