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Bota Systems Rokubi (Rokubimini)

Bota Systems Rokubi (formerly Rokubimini) is a lightweight, compact 6-axis F/T sensor developed by a Swiss ETH Zürich spin-off.

The sensor uses a monolithic strain structure with foil strain gauges plus an integrated temperature filter and 9-DOF IMU. Available EtherCAT (up to 1 kHz) and Serial RS-422 variants.

Measurement range up to ±200 N / ±10 N·m, resolution better than 0.05 N, weight approx. 165 g, diameter 78 mm. Very low thermal drift thanks to firmware compensation. Used in ANYbotics, Swiss-Mile, collaborative arms and teleoperation.

#F/T sensor#Rokubi#Bota Systems#EtherCAT#IMU#humanoid
Market classResearch
Introduction date1 June 2020

Classification

Force Torque Sensor · serves as: Force sensor, Sensing. · compatible with: Humanoid, Quadruped, Legged Robot, Research Robot, Manipulator.

Which group Bota Systems Rokubi (Rokubimini) belongs to and how it is built

3items
Sensing
Hardware domain
Research
Market class

A Force Torque Sensor measures linear forces and rotational torques at a single measurement point. In robotics, it is particularly important in manipulators, robot wrists, grippers, and human–robot collaboration systems. It enables force control, contact detection, load monitoring, and improved safety and manipulation precision. Sensors of this type are widely used in assembly, laboratory, and research applications.

Technical specification

Basic physical properties of Bota Systems Rokubi (Rokubimini) — dimensions, weight and materials

4parameters
Dimensions
Ø 78 × 18mm
Materials
aerospace aluminum
Mounting
bolted flange, custom adapters
Weight
165g

Certifications

CE
CE Marking
European Commission
EU
Safety
RoHS 3
RoHS 3
European Commission
EU
Environmental
Updated: 20 May 2026