Manuals+

Orbbec Femto Bolt Datasheet v1.0

Developed with Microsoft

1. Product Brief

Femto Bolt is a compact, high-performance device with multi-mode Depth and RGB cameras and USB-C connection for power and data. Its versatility and price make it attractive for AI-developers for 3D vision applications.

The depth camera uses Microsoft's industry proven ToF technology and has identical operating modes and performance to the Microsoft Azure Kinect and Orbbec Femto Mega.

Product Features

Product Characteristics

Performance and Programmability

Ease of use for AI Developers and Commercial Applications

2. Product Specifications

Parameter Specifications Parameter Specifications
Model F00364-152 IMU 6 DoF; Frequency range: 50-2,000Hz; Data format: float
VID/PID 0x2BC5/0x066B Mirror Mode Supported, non-mirror by default
Technology iToF Processing Host
Shutter Type IR: Global Shutter; Color: Rolling Shutter Data Connection Type-C USB 3.2 Gen 1
Wavelength 850nm Trigger Sync 8 Pin-Connector for multi-device sync
Mode Resolution FoV FPS Range Format Power Mode DC /USB Type-C
WFOV Unbinned 1024 x 1024 H 120° x V 120° 5, 15, 25, 30 0.25m - 2.21m Y16 Power Input DC 12V 2A
Type-C 5V 3A
WFOV Binned 512 x 512 5, 15, 25, 30 0.25m - 2.88m Operating Modes DC Power + USB Type-C Data
Type-C Power + USB Type-C Data*¹
NFOV Unbinned 640 x 576 H 75° x V 65° 5, 15, 25, 30 0.5m - 3.86m Power Consumption 4.35W average
NFOV Binned 320 x 288 5, 15, 25, 30 0.5m - 5.46m Operating Environment 10°C - 25°C, 8%RH~90%RH (non-condensing), Indoor/Semi-Outdoor
RGB 3840 x 2160 16:9 H 80° x V 51° 5, 15, 25, 30 YUY2, MJPG, H.264, H.265 Supported Functions D2C, Multi-Camera Sync
2560 x 1440 5, 15, 25, 30 Dimensions 115mm x 40mm x 65mm
1920 x 1080 5, 15, 25, 30 Weight 335g
1280 x 720 5, 15, 25, 30 Certifications ROHS, Reach, WEEE, CE, FCC, Class 1 Laser Product
1280 x 960 4:3 H 65° x V 51° 5, 15, 25, 30 Installation Bottom: 1 x ½-20unc
Sides: 4 x M2.5

*¹ Depth & IR mode support 640 x 576 and below, Y16 format. Color mode supports 1,920 x 1,080 and below, YUY2 and MJPG format.

Depth typical systematic error (accuracy)* < 11 mm + 0.1% distance

Depth random error std. dev.(precision)* ≤ 17 mm,

Passive-IR mode supported

*15% to 95% reflectivity at 850nm, 2.2 µW/cm²/nm without multi-path interference. Depending on object reflectivity, depth may be provided outside of the operating range indicated above.

3. Product Information

Femto Bolt front view showing components:

RGB Camera

Depth Camera

IR Emitter

Indicator

Femto Bolt rear-view showing interfaces:

Sync Port

USB Type C

DC Power

4. Software Development Kit (SDK)

Orbbec SDK is a flexible and modular platform for easy camera setup that runs on Linux/Windows with a rich set of APIs. It supports camera access; device setup and configuration; data stream reading, processing, and viewing; RGB-D registration; and frame synchronization.

The functions include:

Please check https://www.orbbec.com/developers/orbbec-sdk/ for the latest SDK.

5. Camera Setup and Operation

Packing List

Initialization and Operation

Indicators

The indicator is ON by default while the device is operating and can be manually switched on/off through the SDK.

State of Indicators Meaning Next Steps
Solid White Powered ON and working correctly Use the device
Flashing Amber The device is in a faulty state Unplug the power to reboot the camera

Temperature sensor and recording

The temperature of camera core components - such as the laser temperature, IR sensor temperature, and IMU sensor temperature - can be obtained through API commands.

6. Installation Guide

Use outside of the specified conditions could cause the device to fail and/or function incorrectly. These conditions are applicable for the environment immediately around the device under all operational conditions. When used with an external enclosure, active temperature control and/or other cooling solutions are recommended to ensure that the device is maintained within these ranges.

6.1 Installation Recommendations

  1. When using an external housing around the camera for dust proofing, use foam inserts or rubber gaskets between the front of the camera and the external housing.
  2. Avoid the application of external forces to the camera chassis during the installaton process.
  3. Disassembling the chassis and mounting brackets will void the warranty.

6.2 Heat Dissipation

  1. Avoid any direct heat sources around the camera.
  2. Maximizing the space inside the external housing may help lower the operating temperature.

6.3 Transmittance Requirements

Transmittance requirements for the front cover protection lens of Femto Bolt 3D camera are listed as follows:

  1. RGB transmittance:
    835~865nm Tmin > 85%,
    800~960nm Tave > 88% and
    400~700nm Tave > 85%
  2. RX transmittance:
    420~680nm Tmin > 97%
  3. Flatness of front cover lens material: < 0.005mm.
  4. Glass is recommended.

Any protective glass in front of the camera must meet the above requirements.

6.4 Cable Design Guide

It is recommended to use the included USB Type-C cable. If a longer cable is needed, please select a USB certified cable that supports both power and data (1-1.5m length is recommended).

7. Product Drawings

Front View

Side View

Bottom View

8. Field of View Illustration

The image below shows the depth and RGB camera field-of-view, or the angles that the sensors "see". This diagram shows the RGB camera in a 4:3 mode.

RGB Camera

Depth WFOV

Depth NFOV

This image demonstrates the camera's field-of-view as seen from the front at a distance of 2000 mm. When depth is in NFOV mode, the RGB camera has better pixel overlap in 4:3 than 16:9 resolutions.

RGB Camera (16:9)

Depth WFOV

Depth NFOV

RGB Camera (4:3)

Depth WFOV

Depth NFOV

9. Multi-Camera Synchronization

Multiple cameras are used to increase camera coverage, fill in occlusions where a single camera might have blind spots or blockage, capture multiple images of the same scene from different viewpoints or angles or increase the effective frame rate. Orbbec's Sync Hubs are available in two versions, the Sync Hub Dev and Sync Hub Pro, and are designed to reduce the complexity and cost of a multi-camera network of compatible Orbbec cameras and external sensors. The trigger voltage is switchable, and the number of secondary devices can be extended using multiple hubs.

The Developer edition, compact and flexible, uses a GPIO interface, perfectly meeting rapid prototyping needs during early-stage development.

The Professional edition, designed for commercial use, employs a reliable RJ45 interface, guaranteeing a more stable and longer-range signal connection using standard CAT5 or better cables.

When using a Star connection, the Primary device delivers the trigger pulse simultaneously to each secondary camera or device in the network. However, each camera with an overlapping Field of View will need to be programmed individually with a delay offset from the trigger to match its sequence in capturing.

To avoid possible interference when pointing at the same direction, the minimum delay recommended is 160us for compatible Orbbec cameras. To achieve the closest exposure between 2 devices, the first pulse of the second camera should fall in the first idle period of the first camera. Though the delay between the first and second cameras can be 125µs (the width of a pulse), the recommended minimum is 160µs. This will allow interleaving the exposure periods of a maximum of 8 cameras.

Synchronization Interfaces of Femto Bolt Camera

Pin Definitions Description
Pin_1 GND Ground
Pin_2 TIME_SYNC_IN Hardware timestamp Reset Signal Input
Pin_3 VSYNC_IN Active high, used for the triggering/sync signal from primary device
Pin_4 RESET_IN Pulse signal, power down and POR
Pin_5 TIME_SYNC_OUT Pulse signal source, reset hardware timestamp of secondary devices
Pin_6 VSYNC_OUT Active high. The high level provides the triggering signal for the secondary devices.
Pin_7 GPIO_OUT Active high. The high-level interval coincides with the IR exposure time.
Pin_8 SYNC_VCC Default Voltage is 1.8V. This voltage is sensed (3.3V or 5V) and used to set/sense the level of all signals.

*The Pin sequence is shown with camera placed in rear view

10. Safety and Handling

10.1 Safety Precautions

  1. Follow the camera operation instructions. Improper operation may cause damage to internal components.
  2. Do not drop or subject the camera to external force.
  3. Do not attempt to modify the camera. Modifications may cause permanent damage or inaccuracies.
  4. The camera temperature may increase during long periods of continuous usage.
  5. Do not touch the lens. Fingerprints on the lens may affect image quality.
  6. Keep the product beyond the reach of children or animals to avoid accidents.
  7. If the camera is not recognized by the computer, check if the cable meets the power/data transfer requirements and reinsert the USB for reconnection.
  8. This product uses a Class 1 laser. Looking at the laser for more than 20s is not recommended.

10.2 Cleaning

To clean the camera body, use a clean, soft cloth to wipe away dust and debris. To remove stains from the lens, use a lens cleaning solution and carefully wipe with a clean, soft, lint-free cloth.

10.3 Storage

When not in use, store the camera in a cool, dry, and well-ventilated indoor location. Avoid leaving the camera outdoors for extended periods to prevent damage from rain, snow, or other harsh conditions.

11. Glossary of Terms

Term Definition
D2C Depth to Color function maps each pixel on a depth map to the corresponding color image according to the intrinsic and extrinsic parameters of depth camera and color camera.
Depth Depth video streams are like color video streams except each pixel has a value representing the distance away from the sensor instead of color information.
Depth Camera Includes the external interface and the depth imaging module, which is generally composed of the infrared projector, the infrared camera, and the depth computing processor.
FOV Field of View (FoV) describes the angular extent of a given scene that is captured by a camera, which can be measured in horizontal, vertical, or diagonal.
I2C I2C bus refers to a kind of simple bidirectional two-wire synchronous serial bus developed by Philips. It can be used for transferring information among devices connected to the bus with two wires.
IR Camera Infrared camera.
IR Flood IR floodlights are used to illuminate the environment.
ISP Image signal processor, which is used for image post-processing.
MIPI Mobile Industry Processor Interface (MIPI) is an open standard and specification formulated by the MIPI Alliance for mobile application processors.
PCBA Circuit board that includes the depth computing processor, memory, and other electronic devices.
Point Cloud A point cloud is a discrete set of data points in space.
SoC System on Chip, an integrated circuit (IC) that integrates all components of a computing system.
TBD To Be Determined. In the context of this document, information will be available in a later revision.
Models: F00364-152, Femto Bolt Multi Mode Depth and RGB Camera, Femto, Bolt Multi Mode Depth and RGB Camera, Mode Depth and RGB Camera, RGB Camera

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ORBBEC Datasheet Femto-Bolt-v1.0

References

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