基于FPGA的电子琴，可实现手动弹奏和自动播放两个功能，自动播放是梁祝化蝶部分，在弹奏和自动播放的同时也会显示乐谱简码，该电子琴支持14个音阶。-FPGA-based electronic keyboard, you can manually play and auto play of the two functions, auto-play is a part of the Butterfly Lovers Butterfly is also displayed while playing a