Awesome

TTGO-T-Eight-ESP32

Button A GPIO35       --------->  GPIO37

Button B GPIO34       --------->  GPIO38

Button C GPIO39       

SH1106 SDA 5 SCL 4    --------->  SDA:21 SCL:22

SD:CS 13 MOSI 15 MISO 2 SCK:14

lib:https://github.com/nhatuan84/esp32-micro-sdcard