http://www8.plala.or.jp/InHisTime/page026.html https://edycube.blog.fc2.com/blog-entry-733.html?sp
https://www.denshi.club/make/2016/02/arduinolcd1.html
http://219.117.208.26/~saka/ham/LCD2/ http://picworld.jp/2016/04/07/arduino-uno-%E3%81%AB%E6%98%94%E7%A7%8B%E6%9C%88%E9%9B%BB%E5%AD%90%E3%81%A7%E8%B2%B7%E3%81%A3%E3%81%9F-16x2-%E8%A1%8C%E3%81%AE-lcd-%E3%82%92%E6%8E%A5%E7%B6%9A%E3%81%97%E3%81%A6%E3%81%A4%E3%81%84/
