Dexterity Hand Revo 2 with Tactile Sensor
• Multi-Dimensional Fingertip Tactile Module: Senses contact force magnitude,
direction, and pressure distribution at each fingertip in real time —
exclusive to the TOUCH variant, providing physical contact data that
position and current feedback alone cannot deliver for delicate or
deformable object handling.
• Tactile Adaptive Control: Automatically modulates grip compliance based on
live fingertip tactile feedback — enabling secure, damage-free handling of
soft, fragile, or geometrically complex objects without requiring explicit
force programming for each object type.
• Human-Scale Dimensions — Same Form Factor: 160 mm hand length, 78.5 mm
maximum palm width, 92 mm thumb length, 38 mm wrist diameter, 13.5 mm
wrist height, 383 g — the tactile module adds no change to external form
factor or mounting geometry.
• RS485 / CAN FD / EtherCAT — All Three on 12–64 V: Full three-interface
connectivity with EtherCAT for high-speed real-time synchronisation
alongside live tactile feedback — essential for complex manipulation in
multi-axis robotic systems on a wide 12–64 V supply.
• SDK with Adaptive Grasping Example + OTA: Python/C SDK for Linux, Windows,
and ROS — includes adaptive grasping example demonstrating the full tactile
control pipeline; OTA firmware upgrades and 4-layer smart protection
(current, stall, high-temperature, anti-collision) included as standard.
- Trusted dealerDirect manufacturer partnership
- Pan-India deliveryInsured shipping, all states
- Post-sale supportTraining + service included
What makes it work
BrainCo Bionic Dexterity Hand Revo 2
with Tactile Sensor
The Revo 2 TOUCH adds a multi-dimensional fingertip tactile module and tactile adaptive control to the full 11 DoF bionic hand platform — enabling reactive, compliance-aware grasping for advanced robotics and research.
Bionic Dexterous Hand with Multi-Dimensional Fingertip Tactile Sensing
The BrainCo Revo 2 TOUCH (XTL/XTR) combines the full biomimetic hand architecture with a multi-dimensional fingertip tactile module and tactile adaptive control. It provides 6 actuated joints and 11 degrees of freedom, with the thumb offering two active DoF — abduction/adduction (0–90°) and flexion/extension (0–59°) — and each remaining finger providing one active DoF (flexion/extension 0–81°). Physical dimensions: 160 mm hand length (palm base to middle fingertip), 78.5 mm maximum palm width, 92 mm thumb length, 38 mm wrist diameter, 13.5 mm wrist height — at 383 g total weight. The hand achieves ≥50 N full-fist grip force, ≥15 N pinch force, and ≥20 kg maximum payload, with ±0.1° repetitive control precision and ≤0.65 s flexion/extension speed. Communication spans RS485, CAN FD, and EtherCAT on a 12–64 V supply. The tactile module enables the TOUCH to sense contact forces at each fingertip in real time and adjust grip compliance automatically.
Four Pillars of the Revo 2 TOUCH
Feel What You Grasp — Tactile Intelligence for Dexterous Hands
11 DoF — 6 Actuated, 5 Unactuated Joints
The Revo 2 TOUCH shares the same 11-DoF joint architecture as the rest of the Revo 2 platform. 6 joints are actively driven by closed-loop servo motors; 5 follow through passive mechanical linkage during movement. The thumb has 2 active DoF — flexion/extension (0–59°) and abduction/adduction (0–90°) — giving it the full lateral sweep range needed for pinch grasps. Each of the four fingers has 1 active DoF (flexion/extension 0–81°) and 1 passive DoF, enabling natural hand conformation around varied object geometries. The maximum thumb-to-index opening distance is 100 mm. On the TOUCH variant, every finger's contact with the grasped object is simultaneously monitored by the fingertip tactile module — adding a sensory layer to the same mechanical architecture.
Human-Scale Dimensions at 383 g
The Revo 2 TOUCH maintains the same physical form factor as the standard Revo 2, designed to match human hand proportions precisely for compatibility with humanoid robot arms, prosthetics mounts, and research platforms. Hand length from palm base to middle fingertip is 160 mm. Maximum palm width is 78.5 mm. Thumb length is 92 mm. The wrist section measures 38 mm in diameter and 13.5 mm in height — a compact mounting interface suited to standard end-effector flanges. Total weight is 383 g, adding minimal inertia to the robot arm's payload budget. The addition of the fingertip tactile module does not alter the external form factor or mounting geometry.
Tactile Adaptive Control — Grip That Responds
The TOUCH adds a dedicated tactile adaptive control layer on top of the position, velocity, and current feedback control available across all Revo 2 variants. This layer uses real-time fingertip tactile data to modulate grip force automatically during grasping and holding — adjusting compliance to match the object's deformation response without requiring explicit force programming. Cascaded control and compliance control are also retained. An adaptive grasping example using this tactile pipeline is provided in the SDK documentation, demonstrating how the control loop responds to contact onset and load changes during object manipulation.
RS485, CAN FD & EtherCAT — Full Suite on 12–64 V
The Revo 2 TOUCH (XTL/XTR) supports all three communication interfaces: RS485 and CAN FD via A1257WV-S-2P-6T connectors, and EtherCAT via an A1257WV-S-5P-6T connector, with power through an XT30UPB-M connector — all located below the wrist. The 12–64 V wide-range supply voltage accommodates diverse power architectures including high-voltage robotics systems. SDK support for Python and C/C++ on Linux, Windows, and ROS is included, with OTA firmware upgrades and hardware-level four-layer smart protection (current, stall, high-temperature, anti-collision) as standard. Default device IDs are 126 (left) and 127 (right), configurable from 1–254.
Revo 2 TOUCH — Dimensional Reference
| Hand Length (palm base to middle fingertip) | 160 mm |
| Maximum Palm Width | 78.5 mm |
| Thumb Length | 92 mm |
| Wrist Diameter | 38 mm |
| Wrist Height | 13.5 mm |
| Total Weight | 383 g |
Six Features That Define the Revo 2 TOUCH
Revo 2 TOUCH (XTL/XTR) — Complete Specification
| Specification | Details |
|---|---|
| Model | |
| Product Name | BrainCo Bionic Dexterity Hand Revo 2 with Tactile Sensor |
| Version Code | XTL (Left Hand) / XTR (Right Hand) |
| Physical Dimensions | |
| Hand Length (palm base to middle fingertip) | 160 mm |
| Maximum Palm Width | 78.5 mm |
| Thumb Length | 92 mm |
| Wrist Diameter | 38 mm |
| Wrist Height | 13.5 mm |
| Weight | 383 g |
| Main Performance | |
| Degrees of Freedom | 11 (6 actuated, 5 unactuated) |
| Full Fist Grip Force | ≥ 50 N |
| Pinch Force | ≥ 15 N |
| Max Payload | ≥ 20 kg |
| Max Opening Distance (thumb to index) | 100 mm |
| Flexion / Extension Speed | ≤ 0.65 s |
| Repetitive Control Precision | 0.1° |
| Operating Noise (at 50 cm) | ≤ 50 dB |
| Operating Temperature | −10 ~ 40 °C / 90% RH |
| Power | |
| Supply Voltage | 12–64 V |
| Static Current | 115 mA @ 24 V |
| No-Load Average Current (five-finger flex/ext) | 390 mA @ 24 V |
| Maximum Current | 4.65 A @ 24 V |
| Communication | |
| RS485 | ✓ — Connector: A1257WV-S-2P-6T |
| CAN FD | ✓ — Connector: A1257WV-S-2P-6T |
| EtherCAT | ✓ — Connector: A1257WV-S-5P-6T |
| VCC Connector | XT30UPB-M |
| Interface Location | Below the wrist |
| Tactile Sensing | |
| Tactile Module | Multi-dimensional fingertip tactile module |
| Control | |
| Smart Control | Position, velocity, current feedback; cascaded control; compliance control; tactile adaptive control |
| Control Modes | Position + Time, Position + Speed, Speed, Current, PWM |
| Turbo Mode | Supported — stall-based re-engagement at 500 ms intervals |
| Protection | |
| Smart Protection | Current, stall, high-temperature, anti-collision |
| Software & Device | |
| SDK | Python / C — Linux, Windows, ROS |
| Firmware Upgrade | OTA online upgrade supported |
| Default Device ID | Left: 126 / Right: 127 (configurable 1–254) |
| Joint Range of Motion — Active Joints | |
| Thumb Flex (Flexion / Extension) | 0° – 59° |
| Thumb Aux (Adduction / Abduction) | 0° – 90° |
| Index Finger (Flexion / Extension) | 0° – 81° |
| Middle Finger (Flexion / Extension) | 0° – 81° |
| Ring Finger (Flexion / Extension) | 0° – 81° |
| Little Finger (Flexion / Extension) | 0° – 81° |
| Colours | |
| Standard Colours | Space Gray, Silver |
| Custom Colours | Supported for bulk orders |
Common Questions About the Revo 2 TOUCH
What does the fingertip tactile module on the TOUCH variant do?
The multi-dimensional fingertip tactile module senses contact force magnitude, direction, and pressure distribution at each fingertip in real time. This provides physical contact data that position and current feedback alone cannot supply — enabling the control system to detect object compliance, surface texture, and pressure changes during grasping. An adaptive grasping SDK example demonstrating this pipeline is included in the documentation.
What are the physical dimensions of the Revo 2 TOUCH?
Hand length from palm base to middle fingertip is 160 mm. Maximum palm width is 78.5 mm. Thumb length is 92 mm. Wrist diameter is 38 mm and wrist height is 13.5 mm. Total weight is 383 g. The addition of the fingertip tactile module does not alter the external form factor or mounting geometry relative to the standard Revo 2.
How does tactile adaptive control differ from standard control modes?
Standard control modes (position, speed, current, PWM) execute movements based on pre-programmed targets and joint feedback. Tactile adaptive control adds a real-time feedback layer that uses fingertip contact data to automatically modulate grip force during grasping — adjusting compliance based on the object's actual deformation response. This allows the TOUCH to hold soft or delicate objects without crushing them and to maintain grip as load conditions shift, without requiring explicit force programming for each object type.
What communication interfaces does the Revo 2 TOUCH support?
The TOUCH supports RS485 (A1257WV-S-2P-6T connector), CAN FD (A1257WV-S-2P-6T connector), and EtherCAT (A1257WV-S-5P-6T connector). Power is supplied via an XT30UPB-M connector. All interfaces are located below the wrist. Supply voltage range is 12–64 V. Static current is 115 mA at 24 V, no-load average current is 390 mA at 24 V, and maximum current is 4.65 A at 24 V.
When should I choose the TOUCH over the standard Revo 2?
Choose the Revo 2 TOUCH when your application requires reactive, compliance-aware grasping — such as handling deformable or fragile objects, in-hand manipulation research, prosthetics development, or any task where the compliance of objects is variable and cannot be pre-programmed. Applications requiring only position- or speed-controlled grasping of rigid objects with known geometry are equally well served by the standard Revo 2 without the additional tactile module.
The full sheet
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