Tue. Nov 28th, 2023
    Scorpion-inspired Robot with a Twist

    Roboticists are constantly seeking new ways to mimic nature’s designs. Robots with two driven wheels are quite common for locomotion, but for those who are more adventurous or have an affinity for creepy crawlies, a scorpion-inspired robot might be just the thing.

    This particular robot design deviates slightly from its real-life counterpart. Instead of eight legs, it has only four. This reduction in leg count simplifies control and lowers the number of parts required. However, the distinctive scorpion appearance is maintained through the inclusion of a cute little tail. But this tail is more than just an aesthetic add-on – it actually serves a purpose. Equipped with servos, it can be manipulated to position a camera at different angles, allowing for versatile recording capabilities.

    At the heart of the scorpion robot is a Raspberry Pi Zero W, acting as the brain of the operation. This integration enables wireless control via WiFi or Bluetooth, providing convenience and flexibility in operating the robot.

    While the robot’s design is relatively straightforward, the walking mechanism incorporates some complexity. Ten servos are distributed across the multiple leg and tail linkages, enabling agile movement. The majority of the parts are 3D printed, which makes assembling the robot at home fairly simple once all the necessary components are gathered.

    The scorpion-inspired robot currently exhibits a shuffling gait. However, with the right programming and mechanical modifications, it has the potential to be programmed to walk and climb in various ways, expanding its repertoire of movements.

    For those fascinated by nature-inspired robotics, there have been other remarkable creepy crawly robot creations over the years. Exploring these innovative designs can provide inspiration for future robotic developments.


    1. How many legs does the scorpion-inspired robot have?

    This robot has four legs, distinguishing it from natural scorpions that typically have eight legs.

    2. What is the purpose of the robot’s tail?

    The tail serves as a mounting point for a camera and can be adjusted using servos, allowing for versatile recording angles.

    3. What controls the scorpion robot?

    The Raspberry Pi Zero W functions as the robot’s central processing unit, enabling wireless control through WiFi or Bluetooth.

    4. How is the walking mechanism of the robot achieved?

    The robot’s walking mechanism employs ten servos distributed throughout its legs and tail linkages.

    5. Can the scorpion-inspired robot be built at home?

    Yes, most of the robot’s components can be 3D printed, making it feasible for enthusiasts to assemble the robot at home, given access to the necessary parts.