The standard verified Arduino library for Proteus 8.13 does not include servo motor models. Servos require timers and interrupts. Instead, use a MOTOR-PWMSERVO with a PWM source, or upgrade to the "Pro" version of the library (paid).
To successfully implement this procedure, the following software environments are required:
No. The library specific to "Arduino Uno" uses the ATmega328P. You need separate ARDUINOMEGA.LIB and ARDUINONANO.LIB files for those boards. Do not confuse them.
Before we install, you must understand the risk. Most websites claiming to offer an "Arduino library for Proteus" are either:
A verified library means that a real user (or author) has tested the exact .LIB and .IDX files inside Proteus 8.13 (build 30800 or higher) and confirmed the following works:
Before delving into the library itself, one must understand why simulation matters. Writing code for an Arduino UNO and uploading it to a physical board is straightforward. However, designing the surrounding circuitry—sensors, LEDs, motors, and displays—can be error-prone. A single misplaced resistor or a short circuit can damage hardware. Proteus offers a solution: a virtual breadboard where users can design circuits and, crucially, upload actual Arduino hex files to a simulated microcontroller. This is impossible without a properly functioning Arduino UNO model inside Proteus.
Simply delete ArduinoUno.IDX and ArduinoUno.LIB from the LIBRARY folder. Restart Proteus. It will be gone.