For building a DIY two-wheeled robot equipped with an RP LIDAR, the Raspberry Pi 5 is an excellent choice, especially if you plan to run Windows 11. The Raspberry Pi 5 offers a good balance of performance, connectivity, and community support, making it suitable for robotics projects.

Recommended SBCs Under $300

1. Raspberry Pi 5:

   • Pros: Affordable, extensive community support, compatible with a wide range of peripherals.
   • Cons: Limited processing power compared to more expensive SBCs.
   • Price: Around $75-$100.

2. NVIDIA Jetson Nano:

   • Pros: Excellent for AI and machine learning applications, powerful GPU.
   • Cons: Slightly more expensive, higher power consumption.
   • Price: Around $99.

3. Odroid XU4:

   • Pros: High performance, multiple USB ports, good community support.
   • Cons: Slightly higher power consumption.
   • Price: Around $80.

4. ASUS Tinker Board:

   • Pros: High performance, good connectivity options.
   • Cons: Less community support compared to Raspberry Pi.
   • Price: Around $60.

Reference Wiring Diagrams

For wiring diagrams and setup instructions, you can refer to the following resources:

1. Synthiam's Getting Started Guide:

   • How to Make a DIY Robot
   • This guide provides a comprehensive overview of building a robot, including wiring diagrams and setup instructions.

2. Raspberry Pi Official Documentation:

   • Raspberry Pi GPIO Pinout
   • This documentation provides detailed information on the GPIO pins and how to connect various peripherals.

3. RP LIDAR Wiring and Setup:

   • RPLidar A1 Documentation
   • This documentation includes wiring diagrams and setup instructions for the RP LIDAR A1.

Steps to Build Your Robot

1. Choose Your SBC: Based on your requirements and budget, choose an SBC like the Raspberry Pi 5.
2. Install Windows 11: Follow the instructions to install Windows 11 on your Raspberry Pi 5.
   • Install Windows 11 on Raspberry Pi
3. Set Up ARC: Install Synthiam ARC on your Raspberry Pi.
4. Connect RP LIDAR: Follow the wiring diagram provided in the RP LIDAR documentation to connect it to your Raspberry Pi.
5. Configure Robot Skills: Add and configure the necessary robot skills in ARC, such as MyFplugin, The Better Navigator, and RPLidar(A1).
6. Build the Robot Chassis: Assemble the two-wheeled robot chassis and connect the motors to the Raspberry Pi GPIO pins.
7. Test and Calibrate: Test the robot's movement and sensor readings, and calibrate as necessary.

By following these steps and utilizing the provided resources, you should be able to build a functional two-wheeled robot equipped with an RP LIDAR. If you have any specific questions or run into issues, feel free to ask for further assistance!