Omniwheel Robot

Omniwheel Robot
Omniwheel Robot
Omniwheel Robot

Omniwheel Robot

No matter how fast an R/C car is, there’s no way it can catch something that can instantly go any direction, even sideways. Regular car-style robots can’t drive sideways, but omniwheel robots can!


The Omniwheel robot can move in any direction, making it very useful for getting around tight spaces and for behaviors like chasing or fleeing. If a robot can drive in any direction immediately, it is called holonomic — it has two degrees of freedom on the floor. Cars, where all the wheels line up, can’t move at right angles to their wheels, so they’re not holonomic.


Omniwheels can move at 90 degrees to their axis so you can mount them facing different directions on your vehicle and use a bit of math to still go in a straight line. (That’s where a microcontroller comes in handy.) Like most things in engineering, there are some tradeoffs, which is why we don’t all drive omniwheel cars. They’re slower, sensitive to dust, can take less load — only a few pounds for the wheels we’re using — and they’re less efficient. But in tight spaces they’re the right choice, and a lot of fun!


Note: You will need to provide the Radio Control unit. We like the OrangeRx R615 Spektrum/JR DSM2 receiver unit, for about $6, and a regular R/C transmitter unit, like the Orange DSM2/DSMx.

  • Nanode Zero, an Arduino-Uno clone, pre-programmed with the Omniwheel robot code
  • Motor shield – power 4 DC motors or 2 stepper motors
  • 3 gearhead motors
  • 3 omniwheels
  • Hookup wire
  • Battery pack
  • Plexiglass cutouts for base, wheel mounts and axle connections (10 pieces)
  • Plexiglass enclosure and mounting hardware
  • Screws and add-ons
  • Nanode programming cable
  • Everything you need to construct the Omniwheel Robot.
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