The "PlotBot" app is a Bluetooth-enabled control interface for the PlotBot Pro laser cutting and engraving machine. It allows users to send commands from a mobile device to a Raspberry Pi 4, controlling various aspects of the PlotBot Pros operation. Key features include:Bluetooth Connectivity: Establishes a secure Bluetooth connection between the mobile device and Raspberry Pi 4 for seamless data transmission.Control of Axes: Enables precise control of the X, Y, and Z axes for positioning the laser cutting and engraving head.Auxiliary Functions Control: Allows users to toggle the compressor, exhaust, and lamp on/off for managing auxiliary functions.Focus Adjustment: Provides tools for setting and checking the focus of the laser head using corner/center/cross-axis alignments.Speed Control: Allows users to adjust the cutting and engraving speed of the PlotBot Pro for different materials and project requirements.User Interface: Features an intuitive interface with visual elements like sliders and buttons for easy control and feedback.Customization and Settings: Offers customization options for Bluetooth connections, default settings, and user preferences.Error Handling: Includes robust error handling mechanisms and notifications to ensure smooth operation and prompt issue resolution.Real-time Status Updates: Stay informed about the status of your cutting and engraving tasks with real-time updates from the PlotBot Pro machine. Monitor progress, receive notifications, and ensure that each job is executed precisely according to your specifications.