This example shows off using the light shield with the Machine Module.

# This work is licensed under the MIT license.
# Copyright (c) 2013-2026 OpenMV LLC. All rights reserved.
# https://github.com/openmv/openmv/blob/master/LICENSE
#
# This example shows off using the light shield with the Machine Module.

import time
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)