Show Emotion for the robot with Oled display

What is an OLED display?

OLED displays work without a backlight, so they can display deep black levels. Its size and weight are small compared to liquid crystal displays. OLED displays powered by SSD1306 driver IC. The SSD1306 is a CMOS OLED driver with a controller for a dot matrix graphics display system. Also, due to the use of the SSD1306 driver, the number of required external parts and power consumption has been reduced.

Schematic

To connect the Arduino board and the OLED display, we need the i2c pins in the Arduino, and the A5 and A4 pins are used for this purpose. We will also use the 5v and gnd output of the Arduino board for the power supply.

Robot face design

• To design the desired design, we will first create a file in Photoshop according to the size of the Oled display, which in this project will be 128 x 64. For example, the following image:

• Then we save the design in .bmp format.

• In the next step, using this software, we convert the saved files into understandable codes for the microcontroller.

Upload the codes in Arduino

After converting the images into code, it is time to display them on the screen, and the functions we have provided us with this possibility easily. In this part of the code, with the settings I applied before, the desired image will be displayed easily.

In the “array name” section, the name that is in the eye.h file must be entered as the image code that we defined earlier. For example, in the code below, the name of the array “ImageArray1” was introduced, so this name will be entered in the above function to display the desired image.

Codes of this project for Arduino

The last word with the Cifer

We can use the idea of ​​this project for various projects, from displaying the logo in our project to making animation, if you have an idea for this project, tell me in the comments and we will write the complete tutorial for you.