Use the Arduino Mouse Library for automating simple tasks
Interfacing an optical mouse sensor to your Arduino
Arduino-Based (ATmega32U4) Mouse and Keyboard Controller - Share Project - PCBWay
Arduino Projects - Connect USB Mouse to Arduino
Acorn Arduino PS/2 mouse adapter | ezContents blog
Computer mouse - HomoFaciens
DIY Gesture Controlled Arduino Based Air Mouse using Accelerometer
Turn your ProMicro into a USB Keyboard/Mouse - SparkFun Electronics
microcontroller - Hacking a mouse with an Arduino - Electrical Engineering Stack Exchange
DIY: Convertir un mouse óptico en una Arduino Webcam
Interface USB Mouse to your Arduino using CH375B
DIY ARDUINO MOUSE JOYSTICK - YouTube
Use a PS/2 Mouse to Detect Motion With an Arduino - Hackster.io
How To Control Device Using Mouse Connected With Arduino- (Part 36/49)
Arduino and PS2 mouse example - YouTube
Keyboard and Mouse Control | Arduino Documentation
Modern mice for old computers (part one) | The Oddbloke Geek Blog
Hack a Mouse With Arduino. 2500 Ft Wireless. PS/2 : 5 Steps - Instructables
Connect a USB Mouse to Your Arduino : 6 Steps - Instructables
Arduino Leonardo as Mouse - YouTube
Button Mouse Control | Arduino Documentation
Usb mouse and keyboard on Arduino, CH559 cheap usb host chip - YouTube
