Romi Chassis Kit

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As low as £41.93 £34.94

The versatile Romi chassis is a great starting point for your next mobile robot. This kit includes all the basic mechanical parts to get up and running, including two motors, two wheels, one ball caster, and battery contacts. The wheels and ball are white.

  • Size: 163 x 149 x 70mm
Romi Chassis Kit in red Romi Chassis Kit in black Romi Chassis Kit in yellow Romi Chassis Kit in blue Romi Chassis Kit parts included Romi Chassis Kit colour choices Basic dimension diagram of the Romi Chassis Romi Chassis Assembly Demo of the Robot Arm for Romi from Pololu
Romi Chassis Kit in red

The Romi chassis is a differential-drive mobile robot platform with a diameter of 6.5″ (165 mm) and an integrated battery holder for six AA batteries (not included). The drive wheels are located on a diameter of the circular base plate, allowing for turns or spinning in place. A large, fixed ball caster in the rear provides a smooth third point of contact, and a second ball caster (not included) can optionally be added to the front. The chassis uses 70×8mm Pololu wheels and Mini Plastic Gearmotors with extended backshafts to enable quadrature encoders for position feedback.

The Romi chassis has an abundance of general-purpose mounting holes and slots intended for various sizes of screws (not included) such as #2-56, #4-40, M2, and M3. These holes can be used for mounting your electronics, such as your microcontroller, motor drivers, and sensors.

Kit includes:

  • One Romi chassis base plate
  • Two mini plastic gearmotors (120:1 HP with offset output and extended motor shaft)
  • A pair of Romi chassis motor clips
  • A pair of white 70×8mm Pololu Wheels
  • One Romi chassis ball caster kit
  • One Romi chassis battery contact set

In addition to what comes with the kit, you will need the following:

  • Six AA batteries (we recommend rechargeable AA NiMH cells). See the User’s guide for more details about power options
  • Electronics to control the motors (e.g. the Romi 32U4 Control Board)
Have a look at here for more products...
Image Product Name Description Price Action
Motor Driver and Power Distribution Board for Romi Chassis

This motor driver and power distribution board is designed specifically for the Romi chassis as a convenient way to drive the chassis’s motors and powerView Detail...

£43.31 £36.09
Power Distribution Board for Romi Chassis

This power distribution board is designed specifically for the Romi chassis as a convenient way to access the chassis’s battery power and pass that on the rest of the electronics that make up your robot.

View Detail...
£14.81 £12.34
Romi Encoder Pair Kit, 12 CPR, 3.5-18V

Add quadrature encoders to the mini plastic gearmotors on your Romi chassis with this kit that uses a magnetic disc and Hall effect sensors to provide 12 counts per revolution of the motor shaft. The sensors operate from 3.5 V to 18&nbsView Detail...

£12.32 £10.27
Romi 32U4 Control Board for Romi Chassis

The Romi 32U4 Control Board is designed to be assembled with a Romi chassis to create a capable integrateView Detail...

£86.69 £72.24 As low as £40.55
Romi Battery Contact Set This set of six battery contacts completes the six AA battery holder molded into the Romi chassis base plate. A set is included in each Romi chasiss Kit.View Detail...
£1.92 £1.60
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