Technovation, a maker, constructed a low-cost quadruped robot using 12 servos, 3D-printed and laser-cut components, and a micro-controller. This DIY robot is not only a budget-friendly project but also a fun and educational experience.
Materials and Construction:
The materials required for Spot are readily available, making it an accessible project. The 3D-printed parts can be found online or created using a 3D printer. The laser-cut components are available at maker spaces or online stores. Technovation’s write-up provides detailed instructions and part lists.
Design and Movement:
Each leg of Spot features two in-line servos and one 90-degree offset serv, providing diverse movements. The robot can walk forward, scoot sideways, and twist in various directions. Inverse kinematics is employed to calculate joint movements, ensuring smooth and coordinated motion.
Control System:
An economical and reliable microcontroller, the ArduUno, serves as the brain of Spot. It receives sensor data and processes instructions to control the robot’s movements. A sensor shield is used to connect the servos and other electronic components to the microcontroller.
Functionality and Applications:
The robot’s movements are controlled through a custom sketch, which integrates inverse kinematics calculations. This allows for precise control over Spot’s movements. The robot can be seen in action in a video, showcasing its walking, scooting, and twisting abilities.
Conclusion:
Technovation’s quadruped robot is a remarkable feat of engineering. It’s a low-cost, customizable, and educational project that can be enjoyed by individuals of all skill levels. The robot’s diverse movements and potential applications make it an exciting addition to the maker community.
Fun Fact: The name “SPOT” stands for “Simple Platform for Open Technology.” It reflects the robot’s open-source nature and its potential for further development and exploration.
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