Gemphet8
g200kgさん
の
GemboxSynth
を8つ並べたポリフォニック・デジタルシンセ
https://gyazo.com/99f5eb7944811092dcf45afe0ea12952
https://cdn-ak.f.st-hatena.com/images/fotolife/C/Chuck/20140819/20140819091206_original.jpg
https://os.mbed.com/users/ChuckTimber/code/Gemphet8/