Having fun with a ESP-32 - Add this ESP-32 Ascii Art Pinout into your source code as a reference - Add your own pin definition infomation to it.
ascii code 129 ü (letter "u" with umlaut or diaeresis ; "u-umlaut") ascii code 130 é (letter "e" with acute accent or "e-acute") ascii code 131 â (letter "a" with circumflex accent or "a-circumflex") ...