Rob Knight Open source humanoid expert humanoid guide hands

Featuring insights from

Rob Knight

Open source,

humanoid expert

Aero Hand Open

$ 720

TetherIA humanoid guide

Lightweight, five‑finger tendon‑driven robotic hand with 7 active DOF for embodied‑AI research—open‑source, USB‑ready, and built for real‑world manipulation.

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Specifications and details:

Weight 0.4 kg
Dimensions 50 × 50 × 50 cm
Strength [kg]

~2.5 kg per finger; ~30 kg lift, Fingertip force ≈ 10 N (about 1.0 kgf equivalent)

Number of fingers

5

Degrees of freedom, hands

16

Motor tech

7 coreless serial‑bus servos; cable/tendon‑driven; back‑drivable.

Main structural material

Nylon

Manufacturer

TetherIA

Nationality

US

Website https://tetheria.ai/

Description

TetherIA’s Aero Hand Open is a five‑finger, tendon‑driven humanoid hand built for embodied‑AI research. It delivers 7 active DOF across 16 joints in a compact, lightweight package (< 400 g, 198 × 95 × 53.5 mm), giving you human‑like reach and dexterity without the weight penalty. A cable (tendon) transmission and back‑drivable serial‑bus micro‑servos provide smooth, compliant motion that’s forgiving in real‑world tasks—ideal for grasping varied objects and teleoperation experiments.

Rob Knight Open source humanoid expert humanoid guide hands

Featuring insights from

Rob Knight

Open source,

humanoid expert

Humanoid Robot Report 2026 – Single User License

2026 Humanoid Robot Market Report

160 pages of exclusive insight from global robotics experts – uncover funding trends, technology challenges, leading manufacturers, supply chain shifts, and surveys and forecasts on future humanoid applications.

Engineered to be practical and reproducible, the hand ships with open‑source CAD and electronics, documentation, and a Python SDK (noted as “coming soon”), plus a straightforward USB 2.0 interface running on an ESP32‑S3 controller. The fully 3D‑printed nylon structure keeps costs and iteration time low while maintaining robustness. Designed expressly for manipulation, reinforcement learning, and sim‑to‑real studies, Aero Hand Open is an accessible platform for labs, startups, and hobbyists moving from policy to physical skill.

https://tetheria.ai/

Download the Humanoid Robot Market Report here

 

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