This project implements a budget management system based on Arduino, allowing users to input and track their expenses. It utilizes an OLED screen (SSD1306) and a matrix keypad for user interaction.
- OLED Display (SSD1306): Displays the budget, the amount spent, and the available balance.
- Matrix Keypad (4x4): Allows data entry for expenses or new budgets.
- Dynamic Calculation: Automatically updates the available balance based on entered expenses.
- Expense Records: Stores the last 5 entered expenses for quick reference.
- Interactive Menu: Includes options to review records and reset the budget.
- Data Storage: Allows addition or subtraction of values to the budget.
- C++
- Arduino nano
- OLED Display (SSD1306)
- 4 x 4 Matrix Array Membrane
- U8g2lib
- Keypad
- RTClib
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