| RC522 Pin | Arduino Uno Pin | | :--- | :--- | | SDA (SS) | Digital 10 | | SCK | Digital 13 | | MOSI | Digital 11 | | MISO | Digital 12 | | IRQ | Not connected | | GND | GND | | RST | Digital 9 | | 3.3V | 3.3V (Crucial: Do NOT use 5V) |
The library captures this ID to grant or deny access based on a pre-defined list in your code. rc522 proteus library top
| RC522 Pin | Arduino Pin | | :--- | :--- | | SDA (SS) | Digital 10 | | SCK | Digital 13 | | MOSI | Digital 11 | | MISO | Digital 12 | | RST | Digital 9 | | VCC | +5V | | GND | GND | | RC522 Pin | Arduino Uno Pin |
Copy both the .LIB and .IDX files from your extracted folder and paste them directly into the Proteus LIBRARY directory identified in Step 2. Step 4: Restart Proteus Re-verify your installation path
If Proteus throws an error when opening an existing project file containing the RC522, it means the .IDX and .LIB files are missing from your local directory or were pasted into the wrong version folder. Re-verify your installation path. 2. Virtual Terminal Displays Gibberish