You can download Arduino Library from here
More library such as
- Bluetooth Library for Proteus
- DS1307 RTC Library for Proteus
- GPS Library for Proteus
- GSM Library for Proteus
- PIR Sensor Library for Proteus
- Solar Panel Library for Proteus
- Ultrasonic-Sensor-Library-for-Proteus
- XBee Library for Proteus
you can download from https://www.theengineeringprojects.com/