Application Scenarios
🤖Humanoid Robots
🦾Robotic Arms
🦿Exoskeletons
🐕Quadruped Robots
🚗AGV Vehicles
🔧ARU Robots
Open Source Integration
▶ OpenArm
OpenArm is a fully open-source humanoid robot arm designed for physical AI research and deployment in contact-rich environments.
Technical Specifications
| Parameter | DM-J4340-2EC (24V) | DM-J4340-2EC (48V) |
|---|---|---|
| Model | DM-J4340-2EC (24V) | DM-J4340-2EC (48V) |
| Nominal Voltage | 24V | 48V |
| Nominal Current | 2.5A | 2.5A |
| Peak Current | 8A | 8A |
| Nominal Torque | 9 N·m | 9 N·m |
| Peak Torque | 27 N·m | 27 N·m |
| Nominal Speed | 36 RPM | 36 RPM |
| Max. No-load Speed | 52 RPM | 100 RPM |
| Reduction Ratio | 40:1 | 40:1 |
| Pole Pairs | 14 | 14 |
| Phase Inductance | 317 μH | 317 μH |
| Phase Inductance | 0.55 mH | 0.55 mH |
| Phase Resistance | 760 mΩ | 760 mΩ |
| Outer Diameter | 57 mm | 57 mm |
| Height | 53.3 mm | 53.3 mm |
| Motor Weight | 362 g | 362 g |
| Encoder Resolution | 14 Bit | 14 Bit |
| Encoder Quantity | 2 | 2 |
| Encoder Type | Single-Turn Magnetic Encoder | Single-Turn Magnetic Encoder |
| Control Interface | CAN @ 1 Mbps | CAN @ 1 Mbps |
| Configuration Interface | UART @ 921600 bps | UART @ 921600 bps |
