Arduino Projects by R

Hey everyone Sorry I have not posted in a while. Today, I am back with an interesting project which is the Arduino Calculator. In this blog post, you will learn about the hardware components that are required for this project, the schematic and the explanation of the codes as well as a demonstration of this Arduino project. Hardware components used in this project Arduino Uno  LCD display module with IIC interface - 16x2 Matrix Keypad - 4x4 Male-to-Female Jumper wires (x12) Software required Arduino IDE - latest version (preferred) Schematic Matrix Keypad R1 - D9 R2 - D8 R3 - D7 R4 - D6 C1 - D5 C2 - D4 C3 - D3 C4 - D2 LCD Display module with IIC interface GND (-) - Ground VCC (+) - 5V SDA - A4 SCL - A5 Coding For this project, you will be needing the following libraries: Wire (inbuilt) Keypad   LiquidCrystal_I2C If you do not have the last two libraries installed, you can follow the hyperlink to read their documentation and access their repository. You can install the libraries from th