Functionality:
Displays text, images, and animations to provide information to the user.
Operation:
The OLED displays are controlled via the I2C protocol. The ESP32 sends commands and data to the displays to specify what should be displayed on the screen.
Control/Communication:
Communicates with the ESP32 via the I2C protocol.
Pin Connections:
VCC: Connected to 3.3V (power supply).
GND: Connected to GND (ground).
SDA: Connected to GPIO 8 (I2C data line)
SCL: Connected to GPIO 9 (I2C clock line)