WITHROBOT oCam-1MGN-U User manual

oCam-1MGN-U USER MANUAL Verion 1.0
Oct. 2017
www.withrobot.com Page 0
WITHROBOT Inc.
USER MANUAL
oCam-1MGN-U
Version 1.0
July 2017
www.withrobot.com
Copyright(c) 2017 WITHROBOT Inc. All rights reserved.

oCam-1MGN-U USER MANUAL Verion 1.0
Oct. 2017
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Document version history
Date
Document version
Description
Oct. 2017
1.0
Initial release

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TABLE OF CONTENTS
DOCUMENT VERSION HISTORY..........................................................................................................................1
1. INTRODUCTION..............................................................................................................................................4
1.1. Specifications..................................................................................................................................................................4
1.2. Applications.....................................................................................................................................................................4
1.3. Technical resource........................................................................................................................................................5
2. SPECIFICATIONS .............................................................................................................................................6
2.1. PCB dimensions.............................................................................................................................................................6
2.2. External look...................................................................................................................................................................6
2.3. Electrical specifications...............................................................................................................................................7
2.4. Camera specifications.................................................................................................................................................7
3. HOW TO CONNECT OCAM-1MGN-U TO WINDOWS HOST.................................................................8
3.1. Connection of oCam-1MGN-U to host computer.........................................................................................8
3.2. oCam-Viewer installation ..........................................................................................................................................8
3.3. Run the oCam-Viewer................................................................................................................................................9
4. HOW TO CONNECT OCAM-1MGN-U TO LINUX HOST ...................................................................... 12
4.1. oCam-Viewer download & build........................................................................................................................ 12
4.2. Connection of oCam-1MGN-U to host computer...................................................................................... 12
4.3. Run the oCam-Viewer............................................................................................................................................. 13
5. FIRMWARE UPDATE.................................................................................................................................... 15
6. RECOMMENDATIONS................................................................................................................................. 16
7. FAQS............................................................................................................................................................... 17
7.1. Guvcview ....................................................................................................................................................................... 17
7.2. DIY Fixture .................................................................................................................................................................... 17
7.3. Technical support...................................................................................................................................................... 17

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APPENDIX.............................................................................................................................................................. 18
1. DEFAULT M12 LENS SPECIFICATIONS .................................................................................................... 18
2. M12 LENS HOLDER DIMENSIONS ........................................................................................................... 20
3. TRIPOD MOUNT: OCAM-TM .................................................................................................................... 21

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1. Introduction
The oCam-1MGN-U is a Global Shutter, 1 Mega pixel, Mono, UVC compliant, USB3.0 SuperSpeed
camera from WITHROBOT Inc. It uses AR0134 of On Semiconductor as the image sensor and
provides the image through USB3.0 interface to be easily connected to hosts with USB3.0 ports.
The camera is backward compatible with USB2.0 interface, so for the hosts with USB2.0 ports, the
connection is automatically adjusted to High Speed interface.
As the camera supports UVC1.0 specifications, the images of various resolutions of 1280 x
960(45FPS), 1280 x 720(60FPS), 640 x 480(80FPS), 320 x 240(160FPS) are readily available to
hosts of Linux or Windows operating systems without any special drivers. The electronic global
shutter mechanism of the camera provides clear images with less blur. The oCam-1MGN-U with
M12 lens holder allows various M12 lenses to be interchangeably used on the camera to suit to
various applications.
1.1. Specifications
Sensor: OnSemi AR0134 CMOS image sensor
Sensor Size: 1/3 inch
Interface: USB 3.0 SuperSpeed
Power: USB bus power
Operating temperature: 0°C~70°C
Rating: DC5V/180mA
Shutter: electric global shutter
Field of View (FOV): 65°
Camera Control: Exposure, Brightness, Auto-Exposure
Weight: 33.5 g
PCB Size: 39 x 39 mm
Case Size: 42 x 42 x 17 mm
Lens: M12 type lens
1.2. Applications
Computer vision
Web cam
Embedded camera
Visual servo for face tracking

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Smart camera
1.3. Technical resource
Latest updates of the related firmware and software are available at
https://github.com/withrobot/oCam/tree/master/Products/oCam-1MGN-U.
Figure 1. Online technical resource repository.

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2. Specifications
2.1. PCB dimensions
Figure 2. PCB dimensions (in mm)
2.2. External look
Figure 3. External look (42 x 42 x 17mm)

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2.3. Electrical specifications
Item
Min
Max
Unit
Source Voltage, VDD
5.0
V
Current
180
mA
Operating Temperature
-40
85
℃
Table 1. Electrical specifications
2.4. Camera specifications
Item
Specification
Notes
Image type
Monochrome
Image resolutions
Horizontal x Vertical (FPS)
1280 x 960(45fps)
1280 x 720(60fps)
640 x 480(80fps)
320 x 240(160fps)
Shutter
Global Shutter
Camera control
Brightness
Exposure (Absolute)
Auto Exposure
Supported
Auto White Balance
Not supported
External Trigger
Not supported
Lens Correction
Not supported
White Balance Auto Setup
Not supported
Table 2. Camera specifications

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3. How to connect oCam-1MGN-U to Windows host
3.1. Connection of oCam-1MGN-U to host computer
Insert USB3.0 cable to oCam-1MGN-U.
Connect USB3.0 cable to USB3.0 port of the host computer.
Wait about 1 minute until the message window appears.
The oCam-1MGN-U should appear on the device list in the Device Manager
Figure 4 . Connection success messsage window
3.2. oCam-Viewer installation
Open the site https://github.com/withrobot/oCam/tree/master/Software/oCam-viewer_Win/bin.
Download the oCam-Viewer:
For 64bit system, download “libCamCap-amd64.dll”and “oCam-Viewer-amd64.exe”.
For 32bit system, download “libCamCap.dll”and “oCam-Viewer.exe”.

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3.3. Run the oCam-Viewer
Start oCam-Viewer.
Once the oCam-1MGN-U is connected successfully, the viewer main window will appear as
follows.
Figure 5. oCam-Viewer main window
Click [Play] to show the image window.
Figure 6. Camera image view window

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Click [Stop] and click the dropdown arrow to open the list of resolutions supported by the
connected camera.
Figure 7. Image resolution list
Click [Stop] and click [Cam Ctrl] to open the camera control window.

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Figure 8. Camera control window
Click [Exit] to terminate the program.

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4. How to connect oCam-1MGN-U to Linux host
4.1. oCam-Viewer download & build
Install the packages using the following commands.
Create a working directory and download the source code into the working directory.
Here, the YOUR_WORKING_DIRECTORY should be set as the directory name that
you choose.
The name of the source code can be different from the shown below as it is updated.
Build the code using the following commands.
Run the viewer using the following command.
4.2. Connection of oCam-1MGN-U to host computer
Insert USB3.0 cable into the oCam-1MGN-U.
Connect USB3.0 cable to USB3.0 port of the host computer.
Run “lsusb”to check the connection status.
“Cypress Semiconductor Corp”should appear as Cypress FX3 is used in the oCam-
1MGN-U.
On successful connection of USB3.0, ID appears as “04b4:00f9”.
If the connection is made as USB2.0, ID appears as “04b4:00f8”.
$ sudo apt-get update
$ sudo apt-get install qt4-default libv4l-dev libudev-dev
$ mkdir YOUR_WORKING_DIRECTORY
$ cd YOUR_WORKING_DIRECTORY
$ svn export
https://github.com/withrobot/oCam/trunk/Software/oCam_viewer_Linu
x_1705
$ cd oCam_viwer_Linux_1705
$ mkdir build
$ cd ./build
$ qmake ..
$ make release
$ ./oCam-viewer

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4.3. Run the oCam-Viewer
If the oCam-1MGN-U is connected successfully, the following window should appear on the
execution of the oCam-Viewer.
The device name and the serial number should appear correctly.
Figure 9. oCam-Viewer window on Linux host
Click [Connect] to open the image window.
Select tabs on the right.
[Formats] shows the image formats.
$ lsusb
Bus 004 Device 026: ID 04b4:00f9 Cypress Semiconductor Corp.

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Figure 10. Image formats
[Controls] shows the control parameters.
Figure 11. Image control parameters.

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5. Firmware update
You can find the latest firmware at https://github.com/withrobot/oCam/tree/master/Firmware .
Correct file for the oCam-1MGN-U should be selected for the firmware update.
You can find the firmware writing program at
https://github.com/withrobot/oCam/tree/master/Firmware .
Uncompress the downloaded “UpdateFW.ZIP”.
Follow the instruction described at
https://github.com/withrobot/oCam/tree/master/Firmware.

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6. Recommendations
The oCam-1MGN-U supports interchangeable M12 lens. Accordingly, the lens can be rotated
under vibration. It is recommended to fix the lens in vibrating environment with glue.
On the resolution of 320 x 240, the image is cropped from the full resolution. Therefore, the
field of view will be reduced accordingly.
The exposure time affects the image rate. With higher exposure, the FPS will drop as the
camera uses longer time for acquiring the image. For higher FPS, the exposure time should
be reduced.
There are differences on the sensitivity of pixels in an image sensor with the global shutter
mechanism. For high gain, the output of those pixels with higher sensitivity will be saturated,
providing noises as a consequence. It is recommended to use low gain for less noisy image.

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7. FAQs
7.1. Guvcview
On Linux host, you can use guvcview to view the image of the oCam-1MGN-U.
Download the guvcview using the following commands.
7.2. DIY Fixture
As a DIY fixture for oCam-1MGN-U, the 3D printable files are available at
https://github.com/withrobot/oCam/tree/master/DIY_Fixture.
7.3. Technical support
E-mail technical support is available at wit[email protected].
$ sudo apt-get install guvcview
$ guvcview -d /dev/video0

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APPENDIX
1. Default M12 lens specifications
Item
Description
Focal Length
3.6mm ±5%
Relative Aperture
2.0
Image Size
1/2.9'', 1/2.7”
Angle Of View
1/2.9'' : 50˚(V) X 92.8˚(H) X 110˚(D)
1/2.7” : 59˚(V) X 103˚(H) X 125˚(D)
Back Focal Length
6.17mm ±5%
Flange Back Length
5.4mm ±0.2mm
Lens Length
15.6mm ±0.3mm
TTL
21.0mm ±0.4mm
MTF on-axis(at 50 lp/mm)
0.7F (at 50 lp/mm)
87.5% 86.2%(R), 78.4%(T)

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Relative Illumination
44.5%(Full image circle)
Flange Type
M12 * P0.5
Head Size
￠15.0
Operating Temperature Range
-20℃~ +70℃, Under RH 90%
Storage Temperature Range
-25℃~ +85℃, Under RH 99%
Lens Construction
4G [All Glass] With IR Cut Filter(650nm)