DIGIT Vision-Based Tactile Sensor - Robotic Fingertip Touch (Physical AI)
DIGIT Tactile Sensor ā Vision-Based Robotic Fingertip Touch Sensor
š Give your robot a human-like sense of touch ā the modality vision cannot provide, now available in India exclusively through RoboTechMinds.
ā EXCLUSIVELY AVAILABLE ON ROBOTECHMINDS.COM ā RoboTechMinds is the exclusive Indian source for this research-grade platform, supplied with local support and GST invoicing. It is not stocked or sold by any other electronics retailer in India.
š¬ Overview
DIGIT is a compact, high-resolution vision-based tactile sensor originated as an open-source design by Meta AI Research ā a GelSight-class sensor small enough to fit inside a robotic fingertip. It captures the fine surface deformation, shear and normal forces of contact that cameras and force sensors cannot, giving robots the tactile intelligence required for dexterous, contact-rich manipulation. Tactile sensing is the defining frontier of Physical AI in 2026 ā the shift from robots that see to robots that feel.
ā Why DIGIT
Human-like touch resolution ā resolves contact geometry and force at a fidelity standard cameras and load cells cannot reach.
Fingertip form factor ā compact enough to mount on the fingertips of dexterous hands such as the LEAP Hand (also available on RoboTechMinds).
Open-source & reproducible ā open design files, firmware and ROS driver (digit_interface); ideal for publications and teaching.
Plug-and-play USB ā streams tactile images over USB into your manipulation / imitation-learning pipeline.
š Technical Specifications
Type | Vision-based (optical) tactile sensor ā GelSight class |
Origin | Meta AI Research (open-source design) |
Sensing principle | Elastomer gel + multi-angle LEDs + internal camera ā surface deformation, shear & normal force |
Output | 320 Ć 240 tactile image @ 60 Hz over USB |
Spatial resolution | ~0.03 mm |
Form factor | Compact ā robotic-fingertip sized |
Interface | USB (plug-and-play) |
Software | Open-source firmware + ROS driver (digit_interface); Python |
Integration | Mounts on dexterous-hand fingertips (LEAP Hand compatible); LeRobot / VLA pipelines |
Licensing | Open-source hardware & software |
š§© Detailed Technical Information
Sensing principle. A transparent elastomeric gel coated with a reflective membrane is illuminated by coloured LEDs from multiple angles and imaged by an internal camera. When the gel contacts an object, its deformation is reconstructed into a high-resolution tactile image ā effectively a 3D height-map of the contact plus shear and normal force cues ā at a fidelity optical cameras and force/torque sensors cannot match.
Data & integration. DIGIT streams a 320Ć240 tactile image at 60 Hz over USB, consumed directly by its open-source ROS driver or Python interface. This makes it a drop-in tactile input for Vision-Tactile-Language-Action (VTLA) research and for training contact-rich manipulation policies, where tactile feedback measurably improves performance on insertion, assembly and deformable-object tasks.
šÆ Applications
In-hand & contact-rich manipulation research ā insertion, assembly, deformable objects.
Vision-Tactile-Language-Action (VTLA) and tactile-policy learning.
Dexterous-hand fingertip sensing ā grasp-force modulation and slip detection.
University robotics / AI labs and corporate / defence R&D.
šļø Who It Is For
Research institutions and university robotics / AI labs, funded deep-tech robotics startups, and corporate, defence and aerospace R&D teams building dexterous manipulation and Physical AI systems. Institutional / GeM procurement supported.
š High-Value Intellectual Product
This is a high-value intellectual-property product ā a research-grade platform, not a commodity component. RoboTechMinds sources, prepares, validates and supports each unit with documentation and integration guidance. The value is in the engineering, localisation, assurance and know-how delivered with every unit.
š¦ Made to Order ā Imported on Confirmed Order Only
This product is imported strictly against a confirmed order and is not held in ready stock, ensuring genuine units and full validation. Estimated dispatch: 5ā8 weeks from a confirmed purchase order and advance payment (governed by source and import lead times; exact dispatch confirmed in writing at order).
š§ Request a Quote
Offered on a quotation basis as a made-to-order, high-value platform. For pricing, configuration, bulk and institutional / GeM procurement, contact team@robotechminds.com ā exclusively available on robotechminds.com.

