The Xiaomi Mi Robot Vacuum is a popular choice for those looking for an affordable vacuum cleaner robot with Arduino compatibility. It features a powerful brushless motor and a high-precision laser sensor for efficient cleaning. The Mi Robot Vacuum can be controlled using Arduino to set up cleaning schedules, adjust cleaning modes, and monitor the cleaning progress. It also has a large dustbin capacity, allowing it to clean for longer periods without needing to be emptied. With its smart app integration, you can control the robot remotely and receive real-time notifications.