LEDの抵抗が簡単に決まる！データシートを使った計算方法をやさしく解説【概要欄に補足あり】 【Arduino UNO R4】

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00:00 Opening
00:21 why is resistor needed?
00:50 basics of led
01:37 check the Abs. Max. Ratings
01:57 check the Vf and If
02:30 Calculate
03:37 Be careful of the calculated value
03:53 Ending

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