Arduino I2C OLED screen tutorial using U8GlibTslaPosted on February 24, 2019March 2, 20240
About
This tutorial covers how to connect an SSD1306 0.96 inch OLED screen to an Arduino Nano over I2C and display text on it using the U8Glib library.
Hardware Used
#adAmazon LinkArduino Nano
#adAmazon LinkSSD1306 OLED Screen
#adAmazon LinkBreadboard
Hardware Connections
Arduino
OLED
3.3V
Vdd
Gnd
Gnd
Analog 4
SDA
Analog 5
SCK
U8Glib Install
In this tutorial, I will be using the U8Glib graphics library for the screen. In this tutorial, I do the same but using Adafruits SSD1306 graphics library.
Method 1:
Downaload the library: https://github.com/olikraus/U8glib_Arduino/releases/tag/1.19.1
In the Arduino IDE :
sketch > include library > Add .ZIP Library > select the downloaded ZIP
Method 2:
Or go to sketch > include library > manage libraries > type u8glib in the search bar and click on install.
Code
Here is the bare minimum code to make the display work. If you need more info about the library check out the documentation on GitHub. You can find more examples provided in the Arduino IDE: File > Examples > U8glib.//Include the graphics library. #include "U8glib.h" //Initialize display. U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE | U8G_I2C_OPT_DEV_0); void setup(void) { //Set font. u8g.setFont(u8g_font_unifont); } void loop(void) { u8g.firstPage(); do { draw(); } while (u8g.nextPage()); //Delay before repeating the loop. delay(50); } void draw(void) { //Write text. (x, y, text) u8g.drawStr(20, 40, "Hello World."); }
Hello World!
Upload the above-provided code and you should have a Hello World.
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Categories: Arduino Digital Electronics Electronics Embedded Systems MicrocontrollersTags: arduino/ SSD1306/ tutorial/ U8Glib
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