Let’s walk through the installation using Proteus 8 Professional (works similarly for versions 7–8.x). For this guide, we assume you have downloaded a verified RC522 Proteus library (sources like The Engineering Projects or GitHub).
| RC522 Pin | Proteus net label / connected to | |-----------|----------------------------------| | SDA (SS) | Arduino Digital 10 | | SCK | Arduino Digital 13 | | MOSI | Arduino Digital 11 | | MISO | Arduino Digital 12 | | IRQ | (optional) – leave unconnected | | GND | Ground | | RST | Arduino Digital 9 | | 3.3V | VCC (3.3V terminal in Proteus) | rc522 proteus library
Functional testing without hardware model Let’s walk through the installation using Proteus 8