wemos-lolin-esp32 Board Pinout I2C: Pin 5 is SDA, Pin 4 is SCL Technical details ESP-WROOM-32 Datasheet. https://www.esp32.com The Internet of Things with ESP32 Adafruit's page about ESP-WROOM-32. Code Resources https://github.com/espressif/arduino-esp32 https://github.com/squix78/esp8266-oled-ssd1306 Notes Wemos Forum. Lolin32. Fake Wemos Lolin ESP32 with OLED. D-duino-32(ESP32&0.96OLED display). Tindie.
