Project/alexandru.gavrila04

website/versioned_docs/version-acs_cc/project/2026/alexandru.gavrila04/index.md

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+# Smart_Cash_Register
+Automated cash register
+
+:::info 
+
+**Author**: Gavrila Alexandru \
+**GitHub Project Link**: https://github.com/UPB-PMRust-Students/acs-project-2026-Gravityy999
+
+:::
+
+<!-- do not delete the \ after your name -->
+
+## Description
+
+A smart cash register that detects the products using radio frequency identification. Products are stored in a data base and displayed on a small screen.
+
+## Motivation
+
+I believe more stors could benefit from a system like this.
+
+## Architecture 
+
+The Nucleo Board is conected to two RFID sensors and a display.
+![Architecture Diagram](diagrama.svg)
+
+# Bill of Materials (BOM)
+
+| Product | Quantity | Price | Total Price |
+| :--- | :---: | :---: | :---: |
+| [Modul RFID RC522 13.59MHz cu card si tag](https://www.google.com/search?q=Modul+RFID+RC522+13.59MHz+cu+card+si+tag) | 2 | 14,99 RON | 29,98 RON |
+| [Ecran OLED 0.96" cu interfata IIC/I2C](https://www.google.com/search?q=Ecran+OLED+0.96+inch+cu+interfata+IIC/I2C) | 1 | 18,98 RON | 18,98 RON |
+| [Breadboard 830 puncte MB-102](https://www.google.com/search?q=Breadboard+830+puncte+MB-102) | 1 | 13,99 RON | 13,99 RON |
+| [Modul buzzer activ, compatibil Arduino](https://www.google.com/search?q=Modul+buzzer+activ+compatibil+Arduino) | 1 | 3,24 RON | 3,24 RON |
+| [40 x Fire Dupont tata-mama 20cm](https://www.google.com/search?q=40+x+Fire+Dupont+tata-mama+20cm) | 1 | 6,99 RON | 6,99 RON |
+| [40 x Fire Dupont tata-tata 20cm](https://www.google.com/search?q=40+x+Fire+Dupont+tata-tata+20cm) | 1 | 8,99 RON | 8,99 RON |
+| **TOTAL PRODUSE** | | | **82,17 RON** |
+
+## Log
+
+<!-- write your progress here every week -->
+### Week 20 - 26 April
+Got approval and researched the components. 
+Ordered all of the components.
+
+### Week 5 - 11 May
+
+### Week 12 - 18 May
+
+### Week 19 - 25 May
+
+## Software
+Uploaded the software on github classroom.
+
+| Library | Description | Usage |
+|---------|-------------|-------|
+| [embassy-stm32](https://github.com/embassy-rs/embassy) | Hardware Abstraction Layer | Handling I2C, SPI, and PWM peripherals |