ESP32 SSD1306 display
Display a text on the SSD1306 display with ESP32
Purpose of this tutorial:
In this tutorial we will see how to display a text in an SSD1306 display with the ESP32 card:
Necessary components
- ESP32
- SSD1306 display
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Connecting wires
Mounting
To perform the assembly, you must connect:
-
the SDA pin of the SSD1306 display to pin D21 of the ESP32 card
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the SCL pin of the SSD1306 display to the D22 pin of the ESP32 card
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the GND pin of the SSD1306 display to the GND pin of the ESP32 card
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the VCC pin of the SSD1306 display to the 3.3V pin of the ESP32 card
Micropython program
Here is the program that displays a text on the SSD1306 display:
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from machine import Pin, I2C import ssd1306 from time import sleep # ESP32 Pin assignment i2c = I2C(-1, scl=Pin(22), sda=Pin(21)) oled_width = 128 oled_height = 64 oled = ssd1306.SSD1306_I2C(oled_width, oled_height, i2c) oled.text('Carte', 0, 0) #Show both words 'Carte ESP32' oled.text('ESP32', 0, 10) oled.show() |
Note: the following library must be imported: ssd1306
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