This repository contains code for a basic calculator implementation using an ESP32 microcontroller, a keypad for input, and an I2C LCD for displaying the results.
- ESP32 microcontroller
- 4x4 keypad
- I2C LCD display
- Appropriate wiring connections
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Set up your ESP32 development environment and ensure that you have the required libraries installed for the keypad and I2C LCD.
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Connect the components (ESP32, keypad, and I2C LCD) according to your wiring diagram. Make sure to adjust the pin assignments in the code to match your hardware configuration.
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Upload the provided code to your ESP32 using your preferred development environment.
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Open the serial monitor to view the keypad input and LCD display.
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Use the keypad to enter arithmetic operations and numbers. Press the "=" key to calculate the result, which will be displayed on the LCD.
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Enjoy using your simple calculator with ESP32!
Contributions and improvements are welcome! If you have any ideas or suggestions, please open an issue or submit a pull request.
This project is licensed under the MIT License.