(1) Adafruit_SSD1306 sample sketch
(2) Sample from
- Book: Electronics Projects with the ESP8266 and ESP32
- Chapter : 12 - GPS tracking app with Google Maps
Adafruit_SSD1306 Class Reference
https://adafruit.github.io/Adafruit_SSD1306/html/class_adafruit___s_s_d1306.html
Adafruit_GFX Class Reference
https://adafruit.github.io/Adafruit-GFX-Library/html/class_adafruit___g_f_x.html