HCR - Mobile Robot Platform with Sensors and Microcontroller

HCR Mobile Robot Kit is a three‑tier two‑wheel‑drive wheel drive mobile robot platform designed for robotics development, autonomous navigation research, and advanced prototyping. The modular robotics chassis combines a rigid aluminum frame, high‑torque drive motors, and multiple sensor mounting points to create a capable experimental robot base. A configurable three‑level structure supports flexible hardware layouts ranging from compact two‑tier builds to fully expanded configurations. Integrated mounting positions allow installation of controllers, sensors, and computing boards, including mini‑ITX systems, enabling this mobile robotics platform to serve as a powerful foundation for AI robots, service robotics prototypes, and academic robotics projects.

High‑Torque Drive System with Encoder Feedback

This differential‑drive robotics base integrates customized 12V low‑noise DC motors equipped with built‑in encoders, delivering strong torque and stable motion control. Encoder feedback enables precise wheel speed monitoring required for PID speed regulation, odometry, and closed‑loop navigation algorithms. Quiet operation and reliable power transmission make this robotic drive system suitable for indoor service robots, laboratory research platforms, and intelligent automation demonstrations. Combined with large 13 cm wheels and a stable rear omni‑directional caster, the drivetrain supports smooth maneuvering and accurate directional control during autonomous movement experiments.

Multi‑Directional Obstacle Detection

The autonomous robot platform supports extensive environmental perception through multiple distance‑sensing options. A default configuration includes five distance sensors, while the upgraded architecture allows installation of up to six ultrasonic sensors for full directional monitoring. Multi‑sensor placement enables obstacle detection from several angles, improving collision avoidance and navigation awareness. Such sensing capability supports robotics research topics such as SLAM experimentation, reactive navigation, and obstacle‑avoidance algorithms, making the mobile robot base suitable for intelligent service robotics and academic robotics laboratories.

Expandable Robotics Architecture

This modular robotics development platform includes mounting support for controllers such as the Romeo robotic microcontroller while maintaining compatibility with additional robotics electronics and compute modules. Expandable hardware options include motor drivers, sensor arrays, and external computing systems. Structural expansion also supports accessories such as a Microsoft Kinect mounting bracket for vision‑based robotics applications. Such flexibility allows this robotics experimentation chassis to evolve from basic obstacle‑avoidance projects into advanced AI robotics systems integrating computer vision, navigation algorithms, and sensor fusion technologies.

Designed for robotics development, academic experimentation, and intelligent machine prototyping, this multi‑layer mobile robot chassis provides a stable mechanical platform for building autonomous service robots, navigation research platforms, and interactive robotics demonstrations. High‑torque motors, expandable sensing architecture, and modular mounting structures enable flexible robotics integration for developers, research labs, and educational robotics environments.

Mechanical Structure

Drive System

Controller and Sensors