Lesson 14 LCD Display
https://www.elegoo.com/pages/arduino-kits-support-files
/r16code/Lesson 14 LCD Display
https://gyazo.com/22afa8068f2ebacacbcd13c616cfa1f3
LiquidCrystal.h
https://gyazo.com/edd3c4d3bff0d35482728217dd93b4c0
hr.icon
ELEGOO Arduino用UNO R3スターターキット