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【高先さんの電子工作】第18回:可変抵抗器を使ってLEDを調光する

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可変抵抗器(ポテンショメーター)を使ってLEDを調光するプログラムです。

main.py
from machine import ADC, Pin, PWM
import utime

potentiometer = ADC(28)
led = PWM(Pin(15))
led.freq(1000)

while True:
    value = potentiometer.read_u16()
    print(value)
    led.duty_u16(value)
    utime.sleep_ms(200)

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