I've correctly wired up an Arduino Nano 33 BLE to a 4-channel AC dimmer from RobotDyn and noticed that the output signal produced by calling digitalWrite(D6, HIGH) is oscillating which results in the ...

It seems like the second argument of digitalWrite is expecting a constant from PinStatus. However this isn't always ideal, and we get an ugly warning like shown below ...

①Arduinoの5VピンとGNDピンをブレッドボードに接続 ② 赤のLED2個と緑のLEDを1個をブレッドボードに差し込む ③ LEDそれぞれの短い方の足に220Ωの抵抗器を接続 ④ 抵抗器の反対側をGNDに接続 ⑤ 緑のLEDの長い方の足をArduinoの3番ピンに接続 ⑥ 赤のLEDの長い方の足 ...

Before I start talking about this really cool thing called Arduino (Italian for "good friend"), let me say a few things about the fascinating subject of physical computing. Physical computing has been ...