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1.2 KiB
1.2 KiB
SSD1306 OLED 128x64 Display
The ESP32 has two Hardware supported SPI Buses. This project makes use of the VSPI Bus(id = 2) to drive the Adafruit ssd1306 OLED Display.
PIN Outs
| Channel | ESP32 | OLED | Comments |
|---|---|---|---|
| MISO | Master in slave out. Unused | ||
| MOSI | D23 : GPIO23 | Data | Master out slave in. |
| SCK | D18 : GPIO18 | Clk | Clock. |
| DC | D4 : GPIO4 | DC | |
| CS | D5 : GPIO5 | CS | Chip select. |
| RST | D2 : GPIO2 | Rst | Reset. |
| V+ | 3v3 | Vin | |
| GND | GND | Gnd |
Usage
The SSD1306_SPI driver has a simple interface.
To clear the screen:
oled.fill(0)
oled.show()
To invert colors:
oled.invert(True)