Adafruit SoftServo 
This is the Adafruit SoftServo Arduino Library for Arduino, an ultra simple software servo driver. For best results, use with a timer0 interrupt to refresh() all your servos once every 20 milliseconds!
Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!
Contributing
Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.
Documentation and doxygen
Documentation is produced by doxygen. Contributions should include documentation for any new code added.
Some examples of how to use doxygen can be found in these guide pages:
https://learn.adafruit.com/the-well-automated-arduino-library/doxygen
https://learn.adafruit.com/the-well-automated-arduino-library/doxygen-tips
Written by Written by Limor Fried for Adafruit Industries.
BSD license, check license.txt for more information All text above must be included in any redistribution
To install, use the Arduino Library Manager and search for "Adafruit SoftServo" and install the library.