Unitree R1 EDU-U4 Humanoid Robot
- Equipped with two Dex3-1 force-controlled three-finger dexterous hands Including Wrist-Mounted RGB Camera (with tactile sensors)
- Dexterous hands have 7 degrees of freedom per hand (thumb: 3, index finger: 2, middle finger: 2)
- Total degrees of freedom (joint motors) for the entire device: 40 (26 + 7 + 7)
- Leg degrees of freedom: 6; waist degrees of freedom: 2; arm degrees of freedom: 5
- Head degrees of freedom upgraded to 2
- Built-in computing power upgraded to 100Tops expansion dock, enabling development and including AI algorithm support
- Maximum arm load: 2kg
- Supports high- and low-level development, provides robot models and simulation interfaces, and supports simulation environments such as Isaac SIM
- Provides excellent technical support, comprehensive development manuals, and ecosystem support
- Trusted dealerDirect manufacturer partnership
- Pan-India deliveryInsured shipping, all states
- Post-sale supportTraining + service included
What makes it work
Unitree R1 EDU-U4
The tactile-enabled research humanoid — 40 degrees of freedom, dual Dex3-1 three-finger hands with wrist RGB cameras and tactile sensors, 100 TOPS onboard AI computing, binocular camera, and full secondary development support for Isaac SIM and beyond.
Unitree R1 EDU-U4 — Dual Dex3-1 Dexterous Hands with Tactile Sensors, 40 DOF, 100 TOPS AI, Built for Contact-Rich Manipulation Research
The Unitree R1 EDU-U4 is the dexterous manipulation variant of the R1 EDU research and education humanoid series — adding dual Dex3-1 force-controlled three-finger dexterous hands to the full R1 EDU-U4 platform. With a total of 40 degrees of freedom across the complete device — 26 DOF in the body (6 per leg, 5 per arm, 2 waist, 2 head) plus 7 DOF per Dex3-1 hand (thumb: 3, index finger: 2, middle finger: 2) — the R1 EDU-U4 delivers a complete humanoid manipulation platform suited for dexterous task research. Each Dex3-1 hand includes a wrist-mounted RGB camera for close-range visual feedback during manipulation tasks, though tactile sensors are not included in this configuration. A built-in 100 TOPS expansion dock powers AI algorithm development directly on-robot. Full high- and low-level secondary development is supported, including Isaac SIM integration, robot models, and simulation interfaces, with comprehensive development manuals and dedicated technical support. A humanoid binocular camera provides body-level stereo perception. Maximum arm load: 2 kg. 12-month warranty covers the entire device.
Four Principles Behind the R1 EDU
Engineered for Research. Built to Manipulate.
Dual Dex3-1 Dexterous Hands — 7 DOF Each, with Tactile Sensors
The R1 EDU-U4 is equipped with two Dex3-1 force-controlled three-finger dexterous hands with tactile sensors — providing 7 degrees of freedom per hand: 3 DOF in the thumb, 2 DOF in the index finger, and 2 DOF in the middle finger. The Dex3-1 is a force-controlled hand designed for manipulation tasks requiring precision grip, adaptive grasping, and contact-rich interaction. Each hand includes a wrist-mounted RGB camera for close-range visual feedback and tactile sensors that provide contact detection, pressure distribution, and slip sensing data — enabling manipulation pipelines that combine visual and tactile modalities. This makes the R1 EDU-U4 the configuration of choice for contact-rich manipulation research, tactile learning, and tasks where force-aware grasping is essential.
40 Total DOF — 26 Body + 7+7 Dexterous Hands
The R1 EDU-U4 brings the total joint motor count to 40 — combining 26 body degrees of freedom with 14 hand DOF (7 per Dex3-1 hand). The body structure retains the full R1 EDU configuration: 6 DOF per leg for stable bipedal locomotion, 5 DOF per arm for reach and upper-body motion, 2 DOF at the waist (Y±150°, R±30°) for torso rotation, and 2 DOF in the head for directed perception. This complete kinematic structure — locomotion-capable body combined with precision dexterous hands — makes the R1 EDU-U4 a platform for research that spans the full spectrum from whole-body motion to fine object manipulation.
Built-In 100 TOPS Expansion Dock — AI Algorithms On-Robot
The R1 EDU-U4 includes a built-in expansion dock delivering 100 TOPS of onboard AI computing power — purpose-built for secondary development and AI algorithm support. This high-capacity compute layer runs directly on-robot alongside the 8-core base processor, enabling deployment of perception models, reinforcement learning policies, and manipulation AI pipelines without dependency on external compute. For the most demanding inference workloads, optional high-power computing modules including Orin-class processors are also available. The 100 TOPS dock is particularly well-suited to vision-based manipulation pipelines that combine binocular body perception with wrist-camera visual feedback from the Dex3-1 hands.
Full Secondary Development — High- and Low-Level Interfaces
The R1 EDU-U4 supports full high- and low-level secondary development — giving research teams direct access to joint control, sensor data streams, motion planning hooks, and SDK integration across all 40 degrees of freedom including the Dex3-1 hands. Robot models and simulation interfaces are provided as part of the development package, enabling algorithm design and verification in simulation before hardware deployment. The platform is compatible with Isaac SIM and other standard robotics simulation environments, supporting the sim-to-real workflows critical for modern data-driven manipulation and locomotion research. ROS 2 integration makes it compatible with the broader open-source robotics toolchain used by universities and research institutions globally.
Binocular Camera, 4-Mic Array & Full Perception Stack
The R1 EDU-U4 carries the most complete perception stack in the R1 EDU range: a humanoid binocular camera at body level for stereo depth, wrist-mounted RGB cameras on each Dex3-1 hand for close-range visual feedback, and tactile sensors in each hand for contact detection, pressure distribution, and slip sensing. The 4-microphone array and onboard speaker complete the interaction stack. Together with the 100 TOPS expansion dock, this tri-modal architecture — binocular stereo, wrist vision, and tactile sensing — enables the kind of integrated perception-action pipelines required for contact-rich manipulation research, tactile learning, and dexterous AI development. A 12-month warranty covers the entire device including both dexterous hands and tactile sensors.
R1 Series — Full Kinematic Overview
Six Features That Define the R1 EDU-U4
Unitree R1 EDU — Complete Specification
| Specification | Details |
|---|---|
| Mechanical Dimensions | |
| Height × Width × Thickness (Standing) | 1230 × 357 × 190 mm |
| Weight (With Battery) | About 29 kg |
| Degrees of Freedom | |
| Total Degrees of Freedom (Joint Motors) | 40 (26 body + 7 per hand × 2) |
| Leg Degrees of Freedom (per leg) | 6 |
| Arm Degrees of Freedom (per arm) | 5 |
| Waist Degrees of Freedom | 2 |
| Head Degrees of Freedom | 2 |
| Hand Degrees of Freedom (per hand) | 7 (Thumb: 3, Index: 2, Middle: 2) |
| Dexterous Hand | Dex3-1 × 2 (Included) — Force-Controlled Three-Finger |
| Joint Range of Motion | |
| Waist Joint — Yaw | ±150° |
| Waist Joint — Roll | ±30° |
| Knee Joint | −10° ~ +139° |
| Hip Joint — Yaw | ±157° |
| Hip Joint — Pitch | −168° ~ +146° |
| Hip Joint — Roll | −60° ~ +100° |
| Calf + Thigh Length | 600 mm |
| Forearm + Upper Arm Length | 420 mm |
| Actuation & Sensing | |
| Joint Output Bearing | Crossed Roller Bearings, Double Hook Ball Bearings |
| Joint Motor | Low Inertia High-Speed Internal Rotor PMSM |
| Maximum Arm Load | 2 kg |
| Joint Encoder | Dual + Single Encoder |
| Compute & AI | |
| Built-in Expansion Dock | Yes — 100 TOPS AI Computing Power |
| Tactile Sensors | Yes (Included — per Dex3-1 hand) |
| AI Algorithm Support | Yes (via Expansion Dock) |
| Optional High-Power Computing Module | Multiple brands and models available (e.g., Orin-class) |
| Basic Computing Power | 8-Core High-Performance Processor |
| Perception & Interaction | |
| Camera — Body | Humanoid Binocular Camera |
| Camera — Wrist (per hand) | RGB Camera (Wrist-Mounted, included with Dex3-1) |
| Microphone Array | 4-Mic Array |
| Speaker | Yes |
| Electrical Characteristics | |
| Electrical Routing | Hollow + Internal Routing |
| Cooling System | Local Air Cooling |
| Power Supply | Lithium Battery (Quick Release) |
| WiFi | WiFi 6 |
| Bluetooth | Bluetooth 5.2 |
| Development | |
| Secondary Development | Yes — High-Level & Low-Level |
| Robot Models & Simulation Interfaces | Yes (Provided) |
| Simulation Environment Support | Isaac SIM and others |
| Development Manuals | Comprehensive (Provided) |
| Technical Support | Yes — Dedicated Support Services |
| Accessories & Other | |
| Smart Battery (Quick Release) | Yes (Included) |
| Charger | Yes (Included) |
| Manual Controller | Yes (Included) |
| Battery Life | About 1 Hour |
| Upgraded Intelligent OTA | Yes |
| Warranty Period | 12 Months |
Unitree R1 EDU-U4 — See It in Action
Unitree R1 — Full Platform Overview
Unitree R1 — Balance, Agility & Motion Capabilities
Common Questions About the R1 EDU-U4
What is the Unitree R1 EDU-U4 and how does it differ from the R1 EDU-U4?
The R1 EDU is the full research and education tier of the R1 series. It shares the R1 mechanical platform (26 DOF — including 2-DOF waist and 2-DOF head) but adds a built-in expansion dock with 100 TOPS of AI computing power, full high- and low-level secondary development interfaces, robot models, simulation interfaces (including Isaac SIM support), comprehensive development manuals, and dedicated technical support services. Optional dexterous hands are also available for the R1 EDU. The standard R1 and R1 AIR do not support secondary development. The R1 EDU also carries a 12-month warranty versus 8 months for the standard R1.
What do the tactile sensors in the Dex3-1 hands enable?
The tactile sensors in the R1 EDU-U4's Dex3-1 hands provide contact detection, pressure distribution mapping, and slip sensing at the fingertip level. This data stream is essential for manipulation tasks where visual and force feedback alone are insufficient — such as detecting when an object is about to slip, sensing contact across the finger surface during a grasp, or measuring applied pressure during delicate object handling. Combined with the wrist-mounted RGB camera, the Dex3-1 with tactile sensors enables multi-modal manipulation pipelines that integrate visual, tactile, and force data simultaneously — the type of rich sensory architecture required for tactile learning research and contact-rich AI development.
What is the total degree-of-freedom count on the R1 EDU-U4?
The R1 EDU-U4 has 40 total degrees of freedom across the complete device: 26 DOF in the robot body (6 per leg, 5 per arm, 2 at the waist, 2 in the head) plus 7 DOF per Dex3-1 dexterous hand (thumb: 3, index finger: 2, middle finger: 2) — 14 hand DOF total. This gives a combined 40 joint motors across the full platform. The body DOF provide the locomotion and upper-body reach range, while the hand DOF enable fine dexterous manipulation at each end-effector. Both body and hand joints are accessible via secondary development interfaces.
What perception sensors does the R1 EDU-U4 have?
The R1 EDU-U4 has the most complete perception stack in the R1 EDU range: a humanoid binocular camera at body level for stereo depth; wrist-mounted RGB cameras on each Dex3-1 hand for close-range visual feedback during manipulation; and tactile sensors in each hand for contact detection, pressure distribution, and slip sensing. The 4-microphone array provides directional audio and voice command recognition, and the onboard speaker enables audio output. The 2-DOF head directs the binocular camera across the environment.
Does the 12-month warranty cover the dexterous hands?
Yes — the 12-month warranty on the R1 EDU-U4 covers the entire device, including both Dex3-1 dexterous hands and their tactile sensors. Maximum arm load is approximately 2 kg per arm, noting that effective load capacity varies with arm extension posture as indicated by Unitree. For enquiries about the R1 EDU-U4 or other R1 EDU configurations, please contact xBoom.in.
The full sheet
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