Estun Codroid C05-U vs Open arm-HT
Estun Codroid vs High Torque Technology — specs, price, and data-backed comparison.
QUICK TAKE
- Estun Codroid C05-U offers the higher payload (10 kg vs 5 kg).
- Open arm-HT offers the longer reach (689 mm vs 550 mm).
- Estun Codroid C05-U offers the more degrees of freedom (14 vs 7).
- Open arm-HT offers the lighter build (6 kg vs 32 kg).
SPECIFICATIONS COMPARED
| Estun Codroid C05-U | Open arm-HT | |
|---|---|---|
| Company | Estun Codroid | High Torque Technology |
| Category | Collaborative-Robot | Collaborative-Robot |
| Price: | Not announced | Not announced |
| Weight | 32 kg | 6 kg |
| Payload | 10 kg | 5 kg |
| Reach | 550 mm | 689 mm |
| Degrees of Freedom | 14 | 7 |
| Speed | — | 12.96 km/h |
| Connectivity | EtherCAT and UDP, open EtherCAT slave configuration; 3 x Ethernet, HDMI, 2 x USB 3.0 | CAN FD |
| Software / AI | — | Official openarm_HT Python SDK: left-arm, right-arm and synchronised dual-arm control; position, velocity, torque, position-velocity and MIT five-parameter control modes; Pinocchio forward kinematics, inverse kinematics and Jacobians; gravity, friction, Coriolis, mass-matrix and full dynamics compensation; quintic and septic polynomial interpolation with Cartesian trajectories; QP inverse kinematics under joint position, velocity and acceleration constraints; single- and dual-arm trajectory recording, history selection and MIT playback; keyboard Cartesian control and Meta Quest VR DLS/QP teleoperation; YAML joint-limit and URDF configuration. |
FREQUENTLY ASKED QUESTIONS
What is the difference between the Estun Codroid C05-U and the Open arm-HT?
Estun Codroid C05-U is made by Estun Codroid, while Open arm-HT is made by High Torque Technology. Both are collaborative-robots, so the differences come down to price and specifications.
Which has the higher payload, the Estun Codroid C05-U or the Open arm-HT?
The Estun Codroid C05-U has the higher payload at 10 kg, compared to 5 kg for the Open arm-HT.


