""" Testing digital IO pin access in MicroPython """
def blink():
import time
import machine
led = machine.Pin(2)
led.init(machine.Pin.OUT)
while True:
led.value(1)
time.sleep_ms(250)
led.value(0)
time.sleep_ms(250)
led.deinit()
def shimmer():
import time
import machine
pwm0 = machine.PWM(machine.Pin(2))
pwm0.freq(1000)
while True:
for x in range (0, 1023):
pwm0.duty(x)
time.sleep_ms(10)
pwm.deinit()
def toggle():
import time
import machine
led = machine.Pin(2)
led.init(machine.Pin.OUT)
ledstate = 0
led.value(ledstate)
but = machine.Pin(0)
but.init(machine.Pin.IN, machine.Pin.PULL_UP)
butstate = but.value()
while True:
if but.value()!=butstate:
butstate = but.value()
time.sleep_ms(10)
if butstate==0:
ledstate = not ledstate
led.value(ledstate)
led.deinit()
def shimmer_efficient():
from time import sleep_ms
from machine import Pin, PWM
pwm0 = PWM(Pin(2))
pwm0.freq(1000)
while True:
for x in range (0, 1023):
pwm0.duty(x)
sleep_ms(10)
pwm.deinit()
"""
copy-paste function(s) into your board
or
copy this example as a file test_io.py and then run
import test_io
test_io.blink()
Ctrl+C
test_io.shimmer()
Ctrl+C
test_io.toggle()
Ctrl+C
test_io.shimmer_efficient()
Ctrl+C
Note: there is no way to re-import the code after the file is changed, the board must be reset
"""