
Robotic Hand
BrainCo Revo 3
Brand: BrainCo
BrainCo Revo 3 is a five-finger robotic hand with independently driven joints for research and advanced manipulation.
Specifications
- Configurations / Version codes
- U21 / U21T / U21VT (Family tactile configurations)
- Software control / Motor feedback
- Current, mA
- Software control / Python SDK 2.0
- Python ≥3.10
- Technical specifications / Revo3 U21
- No tactile array
- Technical specifications / Active DOF
- 21 DOF
- Technical specifications / Dimensions
- 216 × 108 × 50 mm
- Technical specifications / Revo3 U21T
- Full-hand piezoresistive tactile
- Technical specifications / Development
- C/C++ / Python; Linux / Windows
- Technical specifications / Revo3 U21VT
- Palm piezoresistive + fingertip visuotactile
- Technical specifications / Hand payload
- 20 kg
- Technical specifications / Communication
- EtherCAT / CAN FD / RS485
- Technical specifications / Repeatability
- 0.1 °
- Technical specifications / Grasp diameter
- 10-150 mm
- Technical specifications / Supply voltage
- 16-85 V
- Technical specifications / Maximum current
- 10 A (At 24 V)
- Construction, supply and control / Ring Abd
- -25…20 ° (U21 physical active-joint range)
- Software control / Visuotactile module data
- Separate transport (U21VT / Ultra VisionTouch)
- Technical specifications / DOF distribution
- 4 × 4 + 5 DOF (Four fingers 4 each, thumb 5)
- Construction, supply and control / Index Abd
- -10…30 ° (U21 physical active-joint range)
- Construction, supply and control / Pinky Abd
- -30…10 ° (U21 physical active-joint range)
- Technical specifications / Active grip force
- ≥100 N
- Technical specifications / Mainboard sensors
- IMU / temperature
- Construction, supply and control / Middle Abd
- -20…25 ° (U21 physical active-joint range)
- Construction, supply and control / Opposition
- Full Kapandji score
- Technical specifications / Communication rate
- 500 Hz
- Construction, supply and control / Calibration
- At power-on (Before normal control)
- Construction, supply and control / Grasp types
- 33 (Feix GRASP taxonomy)
- Construction, supply and control / RS485 cable
- Shielded twisted pair (At 5 Mbaud)
- Technical specifications / Four-finger payload
- 5 kg
- Construction, supply and control / Control modes
- Position / velocity / current / damping / impedance / MIT
- Construction, supply and control / Ring DIP Flex
- -20…90 ° (U21 physical active-joint range)
- Construction, supply and control / Ring MCP Flex
- -5…90 ° (U21 physical active-joint range)
- Construction, supply and control / Ring PIP Flex
- -10…90 ° (U21 physical active-joint range)
- Construction, supply and control / Thumb CMC Abd
- 0…110 ° (U21 physical active-joint range)
- Construction, supply and control / Thumb CMC Rot
- 0…105 ° (U21 physical active-joint range)
- Technical specifications / Fingertip pinch force
- ≥25 N
- Technical specifications / Joint open/close time
- 0.33 s
- Construction, supply and control / Index DIP Flex
- -20…90 ° (U21 physical active-joint range)
- Construction, supply and control / Index MCP Flex
- -5…90 ° (U21 physical active-joint range)
- Construction, supply and control / Index PIP Flex
- -10…90 ° (U21 physical active-joint range)
- Construction, supply and control / Pinky DIP Flex
- -20…90 ° (U21 physical active-joint range)
- Construction, supply and control / Pinky MCP Flex
- -5…90 ° (U21 physical active-joint range)
- Construction, supply and control / Pinky PIP Flex
- -10…90 ° (U21 physical active-joint range)
- Construction, supply and control / Thumb DIP Flex
- -20…90 ° (U21 physical active-joint range)
- Construction, supply and control / Thumb MCP Flex
- 0…75 ° (U21 physical active-joint range)
- Construction, supply and control / Thumb PIP Flex
- -10…90 ° (U21 physical active-joint range)
- Construction, supply and control / Middle DIP Flex
- -20…90 ° (U21 physical active-joint range)
- Construction, supply and control / Middle MCP Flex
- -5…90 ° (U21 physical active-joint range)
- Construction, supply and control / Middle PIP Flex
- -10…90 ° (U21 physical active-joint range)
- Construction, supply and control / Power connector
- XT30UPB-M
- Construction, supply and control / RS485 connector
- A1257WV-S-2P-6T
- Construction, supply and control / CAN FD connector
- A1257WV-S-2P-6T
- Construction, supply and control / EtherCAT connector
- A1257WV-S-5P-6T
- Construction, supply and control / Recommended supply
- 24 V DC; ≥100 W
- Construction, supply and control / Tactile resolution
- 0.01 N (U21T / U21VT)
- Construction, supply and control / Tactile force range
- 0…20 N (U21T / U21VT)
- Construction, supply and control / Tactile expansion connector
- A1257WV-S-10P
Source and import record
Catalog information was imported from the Unibot owner catalog. This source record documents provenance and import time; it is not an independent verification of the component information.
Imported 2026-11-11