OpenArm 1 Specifications
Complete mechanical, electrical, and software specifications for the OpenArm 1 robotic arm
Mechanical Specifications
| Spec | Value |
|---|---|
| Degrees of Freedom | 8 DOF |
| Max Reach | 650 mm |
| Max Payload | 1 kg |
| Arm Weight | ~3 kg |
| Repeatability | ±0.1 mm |
| Joint Type | Rotary (all joints) |
| End Effector Mount | Standard flange (ISO 9283) |
| Materials | Aluminum alloy + carbon fiber |
Electrical Specifications
| Spec | Value |
|---|---|
| Power Supply | 24V DC |
| Max Power Draw | 150W |
| Communication | SocketCAN (CAN 2.0B, 1 Mbps) |
| CAN Connector | DB9 / M12 |
| Motor Type | Brushless DC with planetary gearbox |
| Position Sensing | Magnetic encoders (absolute) |
Software & Control
| Spec | Value |
|---|---|
| Control Modes | MIT: Position / Velocity / Torque |
| Native Software | openarm_can (Python), openarm_ros2 |
| ROS Version | ROS2 Humble / Iron |
| SDK | pip install roboticscenter |
| OS Support | Ubuntu 20.04, 22.04 |
| Latency (control loop) | < 1ms (CAN), ~10ms (ROS2) |
In the Box
- OpenArm 1 unit
- 24V DC power supply
- CAN USB adapter (CANable 2.0 or equivalent)
- Mounting plate + hardware
- Quick-start guide
Dimensions
Approximate physical footprint for workspace planning:
- Base footprint: ~200 mm × 200 mm
- Height (folded): ~400 mm
- Height (extended): ~800 mm
Refer to the CAD files for precise tolerances and mounting hole patterns.