皆さん、お久しぶりです! もう2月最後の日ですね! 寒い日がそろそろ終わり、温かい3月になることが待ち遠しいですね。 今日のnoteでは簡単な電子工作をご紹介します。 題名の通りArduino+DFPlayer Miniの制作です! ネット上ではこの内容が少なくはありませ ...
Using a DFPlayer mini purchased on Amazon - Lacking functionality, could not get it to read file counts in the folder and it would just return -1. In folders numbered 01 – 99. File names with 3 digit ...
The idea behind our project was to create mini piano using Arduino. Since we wanted each button to play one note and have many keys, we decided to use multiplexer for the inputs instead of connecting ...