4X4 Keypad Input Display Through OLED
In this tutorial basically we’re going to learn how to take input from keypad and show it on our desired OLED display. For this i would suggest you see my other tutorials as prerequisite Keypad Tutorial and OLED Display Tutorial If you miss these tutorial you might not be able to do this. Step 1: Working With the Oled DIsplay Including Library: Both libraries below needs to be installed before you are able to continue with this instructable. https://github.com/adafruit/Adafruit_SSD1306 (SSD1306 library) https://github.com/adafruit/Adafruit_SSD1306 (GFX library) The connections from the display: VCC to arduino 5v GND to arduino GND SCL to arduino pin A5 SDA to arduino pin A4 Library Correction : For Adafruit_SSD1306 Library: Go to: C:\Program Files (x86)\Arduino\libraries\Adafruit_SSD1306 Open Adafruit_SSD1306.h (in a text editor like Notepad++ for example) Find and comment out the line: #define SSD130...