The calculator can perform basic arithmetic operations like addition, subtraction, multiplication, and division. Features Supports basic arithmetic operations: addition (+), subtraction (-), ...

We will integrate a 4×4 Keypad to send the input and a 16×2 LCD to see the output of our operations. Arduino Based Calculator So, as we now know the basic abstract of our project that what we want to ...

Overall, the combination of Arduino Uno, the 4x4 matrix calculator, the I2C LCD display, and C++ programming facilitated the implementation of the hardware part of our system. The Arduino Uno served ...