Aim
The goal of this activity is to make a calculator using a 4×4 keypad.
Materials Required
- Arduino UNO R3 – 1
- USB Cable – 1
- Breadboard – 1
- 4*4 Keypad
- LCD 1602 Display
- Several Jumper Wires
- I2C Display Module
- Several Jumper Wires
Wiring Diagram
Desired Outcome
You can do any basic calculation using a 4×4 keypad. Use A for addition, B for subtraction, C for multiplication and D for division. # for result
