This commit is contained in:
Kwabena W Agyeman 2025-09-22 13:40:29 +02:00 committed by GitHub
commit d09c6c303c
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194

View File

@ -1,13 +1,37 @@
# This work is licensed under the MIT license.
# Copyright (c) 2013-2023 OpenMV LLC. All rights reserved.
# Copyright (c) 2013-2024 OpenMV LLC. All rights reserved.
# https://github.com/openmv/openmv/blob/master/LICENSE
#
# This example shows off using the light shield with both the PYB and Machine Module.
import time
from pyb import Pin, Timer
# 50kHz pin6 timer2 channel1
light = Timer(2, freq=50000).channel(1, Timer.PWM, pin=Pin("P6"))
light.pulse_width_percent(100) # adjust light 0~100
while True:
time.sleep_ms(1000)
try:
from pyb import Pin, Timer
# 50kHz pin6 timer2 channel1
light = Timer(2, freq=50000).channel(1, Timer.PWM, pin=Pin("P6"))
while True:
for i in range(101):
light.pulse_width_percent(i)
time.sleep_ms(10)
for i in range(101):
light.pulse_width_percent(100 - i)
time.sleep_ms(10)
except ImportError:
from machine import PWM, Pin
# 50kHz pin6 timer2 channel1
pwm = PWM(Pin("P6"), freq=50000, duty_u16=0)
while True:
for i in range(101):
pwm.duty_u16((i * 65535) // 100)
time.sleep_ms(10)
for i in range(101):
pwm.duty_u16(((100 - i) * 65535) // 100)
time.sleep_ms(10)