LearnigKit for RaspPiPico Part One

 

#trafficlights.py

#2022/06/14 up

#

import machine 

import utime

led_green=machine.Pin(19,machine.Pin.OUT)

led_yellow=machine.Pin(18,machine.Pin.OUT)

led_red =machine.Pin(17,machine.Pin.OUT)

while True:

    led_green.value(1)

    utime.sleep(1)

    led_green.value(0)

    utime.sleep(1)

    

    led_yellow.value(1)

    utime.sleep(1)

    led_yellow.value(0)

    utime.sleep(1)

    

    led_red.value(1)

    utime.sleep(1)

    led_red.value(0)

    utime.sleep(1)

#threeleds.py

#2022/06/14 up

#

import time

from machine import Pin,PWM

pwm1=PWM(Pin(26))

pwm1.freq(1000)

pwm2=PWM(Pin(27))

pwm2.freq(1000)

pwm3=PWM(Pin(28))

pwm3.freq(1000)

duty=0

direction=10

while True:

    duty +=direction

    if duty >65635:

        duty=65535

        direction=-5

    elif duty <0:

        duty =0

        direction=10

    pwm1.duty_u16(duty)

    time.sleep(0.0001)

    pwm2.duty_u16(duty)

    time.sleep(0.0001)

    pwm3.duty_u16(duty)

    time.sleep(0.0001)   

#rgbled.py

#2022/06/14 up

#

from machine import Pin

import utime

red=Pin(20,Pin.OUT)

blue=Pin(21,Pin.OUT)

green=Pin(22,Pin.OUT)

while True:

    red.value(0)

    blue.value(1)

    green.value(1)

    utime.sleep(1)

    red.value(1)

    blue.value(0)

    green.value(1)

    utime.sleep(1)

    red.value(1)

    blue.value(1)

    green.value(0)

    utime.sleep(1)

    red.value(0)

    blue.value(0)

    green.value(1)

    utime.sleep(1)

    red.value(1)

    blue.value(0)

    green.value(0)

    utime.sleep(1)

    red.value(0)

    blue.value(1)

    green.value(0)

    utime.sleep(1)

    red.value(0)

    blue.value(0)

    green.value(0)

    utime.sleep(1)