This library reads the signals of the MT8870 chip. If data is available one can read it raw or as text. DTMF = Dual Tones Multiple Frequency. These are the tones you hear when you press buttons on ...
[Colin] wanted a way to reliably control an Arduino via ham radio. One of the easiest methods of automated radio control makes use of Dual-Tone Multi-Frequency signalling. To those who aren’t into ...
以前スマートスピーカーと連携したガジェットをつくりたい！そう思ったものの、サーバーサイドの開発もわからず、どうやって実現したらいいのわかりませんでした。 自分の場合多くの ...
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