The Maqueen Plus V3 Educational Robot is a feature-rich, micro:bit-compatible STEM robot designed to transform STEM education and robotics competitions for students aged 10+. Equipped with a matrix laser ranging sensor (±11mm accuracy), high-precision PID motor control, and built-in line-tracking algorithms, it offers unparalleled precision in navigation and obstacle avoidance. With dual light sensors, programmable RGB lights, and detachable metal motors, it bridges the gap between beginner-friendly coding and advanced robotics projects—making it ideal for STEM classrooms, robotics clubs, and competitive arenas. ⚡ Key Features of Maqueen Plus V3 🎯 Precision Navigation Matrix Laser Ranging Sensor: 8×8 resolution, 60° field of view, ±11mm accuracy for real-time obstacle detection and mapping. PID Motor Control: Magnetic encoders enable cm-level accuracy without manual calibration. 🧠 Built-In Intelligence Autonomous Line Tracking: 5-sensor array with 4 junction recognition types. Adjustable Algorithm Speed: 5 levels to match student skill progression. 💡 Interactive Capabilities Dual Light Sensors: Enable light-following or avoidance behaviors. Programmable RGB LEDs: Headlights + ambient lights for creative coding projects. Buzzer & IR Receiver: Sound feedback and remote control support. 🔧 Modular & Durable Design Detachable Metal Motors: Quick-replace N20 motors with voltage stabilization. 14x GPIO Pins: Expand with sensors, servos, or wireless modules. 18650 Battery Powered: 3.5V–4.2V input with reverse-polarity protection. Figure: Maqueen Plus V3 Built-in Line-tracking Algorithms 📊 Technical Specifications Parameter Specification Laser Sensor 8×8 matrix, 20mm–4m range, ±11mm accuracy Line Tracking 5 sensors, 4 junction types Motors 2× N20 metal motors with encoders Expansion 14x GPIO, I2C/UART/USB interfaces Programming micro:bit, Arduino, Python, UIFlow Battery 18650 Li-ion (included) Dimensions Compact chassis with M3 mounting points Figure: Motor Encoders & PID Control makes Maqueen Plus V3 More Accurate 🚀 Applications 🏫 STEM Classes: Teach coding, robotics, and sensor integration. 🤖 Competitions: Line-tracing, maze-solving, and innovation challenges. 🔬 Research Projects: Autonomous navigation and laser mapping prototypes. Figure: Maqueen Plus with Dual Light Intensity Sensors 📦 What’s Included Maqueen Plus V3 Baseboard Matrix Laser Sensor ×1 Metal Motors ×2 Line-Tracking Map ×1 Tools & Mounting Kit