This Arduino calculator project uses a 4x4 keypad and an Arduino microcontroller to perform basic arithmetic operations. It's a great project for beginners looking to learn about input/output with the Arduino and building simple interactive devices.

Features:

• Utilizes a 4x4 matrix keypad for input.
• Displays results on an LCD screen (details not provided in the excerpt).
• Performs basic arithmetic operations: addition, subtraction, multiplication, and division.
• Arduino-based for flexibility and expandability.

Ideal for:

• Educational purposes in electronics and programming.
• Hobbyists and makers interested in Arduino projects.
• Learning about keypad interfacing and display output.

Package Contents:

• Arduino Calculator Using 4x4 Keypad (exact components not specified)

Note: Specific details about the LCD display, exact circuit diagram, and programming code are not included in this excerpt.