Routineerklärung 33-Light-Shield -> Erweiterungsplatine für die Lichtquelle „light.py“.

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) # 控制亮度 0~100

while (True):
    time.sleep_ms(1000)

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