Pinout:
Vin : 5v
Data : I2C SDA
Clk : I2C SCL
Rst : Reset (GPIO2 ESP8266)
Schematic :
I2C Slave Library:
https://github.com/esp8266/Arduino/issues/1330
https://hackaday.io/project/10034-esp8266-oled-display
SSD1306 Library à importer:
https://simple-circuit.com/pic18f4550-ssd1306-oled-display/
SSD1306 Library pour XC8 (à tester) :
https://github.com/PIC-Nico/SSD1306