TOPS

About

TOPS (Traverser of Planar Surfaces) or SPOT backward is a 12DOF quadrupedal robot. I have attempted robot dogs in the past, but nothing has come close to having the natural gait of an actual dog. In this project, the goal is to make a more dynamic quadrupedal robot. This project was heavily inspired by James Bruton's openDogV3 robot.

  • 4 Month Build

  • Total Cost: $3,300

  • Total Weight: 29.6lbs (13.43kg)

  • Weight of 3D Printed Parts: 9.98lbs (4.53kg)

  • 12x Custom QDD actuators

    • 3D printed 9: 1 planetary gearbox

    • 90KV brushless motor

    • ODrive S1 FOC Controller

  • Carbon Fiber Frame

  • 30A Silicone Feet

  • 6S 5200mah Lipo Battery

  • Teensy 4.1 Microcontroller

Hackaday (project logs)

GitHub (CAD, Code, BOM, etc…)

Part 0: QDD Actuator

Part 1: Leg Design V1

Part 2: Leg Design V2

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Rubik's Cube Solving Robot 2.0

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OpenQDD Actuator