Conversa® - Low Light USB Camera with Microphone

Conversa®, camera for conversation (See3CAM_CU38), is a 3.4 MP low light USB 3.1 Gen1 camera with built-in stereo microphone providing 16bit audio @48KHz. This HD USB camera is the next advanced version of our flagship product See3CAM_CU30, with built-in stereo microphone for crystal clear sound. It is a plug-and-play (UVC and UAC) compliant USB 3.1 Gen1 SuperSpeed camera and is also backward compatible with USB 2.0 host ports. It has S-mount (M12) lens holder which allows customers to choose and use the lens according to their requirement. It has a dedicated, high-performance Image Signal Processor chip (ISP) that performs all the Auto functions (Auto White Balance, Auto Exposure control).

Key Features:

  • Houses e-CAM36_CUMI0330_MOD - 3.4 MP ON Semiconductor AR0330 CMOS Image Sensor
  • Fixed Focus
  • External ISP
  • Output format : Uncompressed UYVY and Compressed MJPEG
  • Frame Rate: Streams Full HD @ 60 fps & 3MP @ 60 fps - Refer pdfDatasheet for complete frame rate details.
  • Supported OS : Windows, Linux, Android * and MAC **
  • Connector/Interface type : USB 3.1 Gen1 device with Type-C reversible interface connector
  • UVC compliant - no additional drivers required. Also backward compatible with USB 2.0 hosts
  • Operating Voltage: 5V +/- 5%
  • Operating Temperature Range: -30°C to 70°C
  • Power requirements
    • Max : 2.55W
    • Min: 1.20W
  • 10 pin GPIO header
  • External Hardware Trigger input
  • Digital Zoom - Upto 8x
  • Size in mm (l x b x h): 30 x 30 x 30.2 mm (without lens & with M12 holder)
  • Weight in Grams:
    • 14 Grams (without lens)
    • 19 Grams (with lens)
  • Compliance
    • FCC
    • RoHS
  • Lightweight, versatile, and portable two-board solution
  • Unique ID for each camera
  • Launched on:launch date
  • * - Customers interested to work on Android would require e-con SDK (Webeecam). The specs mentioned above shall not be the same for Android
  • ** - For MAC OS support, please contact

Camera Module Features:

Sensor:AR0330 from ON Semiconductor

Focus Type:Fixed focus

Sensor Resolution:3.4 MP


Shutter type:Electronic Rolling Shutter

Optical Format:1/3" Optical format

Output Format:Uncompressed UYVY and Compressed MJPEG

Pixel size:2.2μm x 2.2μm pixel

Sensor Active Area:2304(H) x 1536(V)

Responsivity:2.0 V/lux-sec (550 nm)

SNR:39 dB

Dynamic Range:69.5 dB

Array Size:2304 x 1536 pixels

DFOV: 3.4MP – 118°(with the lens provided by e-con)

Microphone Features :

Channels:2 (Stereo)

Bit depth:16 bit

Sampling Frequency:48 KHz

  • Supported OS - Windows 10, Windows 8.1, Windows 7, Linux and MAC *
  • Sample Application:
    • eCAMView - Windows Camera application for Video Preview and Still Capture.
    • QtCAM - Linux Camera application for Video Preview and Still Capture.
  • Still Image Resolutions:
    • 3.4 MP(both MJPEG and BMP)
  • Still Capture:
    • External trigger signal control
    • Software application control
  • Zero Shutter Lag:
    • 3.4 MP still capture with Zero-lag-shutter (*Not for cross resolution still captures)
  • UVC Controls:
    • Brightness
    • Contrast
    • Sharpness
    • Saturation control
    • Gamma control
    • Gain
    • Exposure (Manual and Auto)
    • White Balance (Manual and Auto)
    • Digital Zoom (Upto 8x)
    • Pan-tilt-zoom
  • UAC Controls:
    • Audio properties (supports only 2 Channel (Stereo), 16bit @ 48KHz)
    • Volume
    • Mute
  • Additional Capabilities:
    • Support for external trigger
    • LED Strobe control
    • Document Mode
    • ROI based Exposure
    • Q-Factor control
    • Face Detection
    • Smile Detection
    • Orientation controls
    • Frame Rate control
    • Image capture - burst mode
    • Exposure compensation
    • Average Bit Rate
  • * - For MAC OS support, please contact
  • Customization of firmware and hardware as per customer requirement is possible. Please contact for more details.

Download Conversa® - Technical Documents:

 Bullat Arrow  Datasheet

pdf  Conversa® Datasheet

pdf Conversa® Lens Datasheet

 Bullat Arrow  User Manual

pdf  Conversa® Getting Started Manual

 Bullat Arrow  Linux

pdf  QtCAM - Linux SW Application User Manual

 Bullat Arrow  Windows

pdf  e-CAMView - Windows SW Installation Guide

pdf  e-CAMView - Windows SW Application
              User Manual

pdf  e-CAMView - Windows SW Extension Unit
              API Manual

pdf  Conversa® Face and Smile Detection

pdf  See3CAM_DFU Application User Manual

Download 3MP camera Documents

Ordering Info:

Customers who own platforms that support USB 3.0 and are interested in evaluating the 3.4 MP USB camera module can directly buy the Conversa® from e-con Systems. Customer can order Conversa® with/without lens.

Part No Description Sample Price
(1 Unit)
See3CAM_CU38_CHL_TC 3.4 MP Custom Lens USB 3.1 Gen 1 Camera with
S Mount Holder & Lens
Type-C connector
See3CAM_CU38_CH_TC 3.4 MP USB 3.1 Gen 1 Camera with S-Mount Holder Type-C connector US$139

See3CAM_CU38_CHL_TC-3.4 MP Custom Lens USB 3.1 Gen 1 Camera with S Mount Holder & Lens Type-C connector

Sample Price (1 Unit)-US$169

See3CAM_CU38_CH_TC-3.4 MP USB 3.1 Gen 1 Camera with S-Mount Holder Type-C connector

Sample Price (1 Unit)-US$139

In addition to Conversa®, the evaluation kit comes with e-CAMView (Windows) / QtCAM (Linux) - Sample application for Video Preview and Still Capture along with the UVC Extension features (for Windows 10, Windows 8.1, Windows 7, Linux and MAC *). For more details, please refer the evaluation kit contents below.

For all enquiries please write to

Kit Contents:

  • Hardware:
      • Conversa® - 3.4 MP USB Camera with M12 Lens (S-Mount) Holder
      • USB 3.1 Gen 1 Type-C Cable
      • Lens (Optional)
  • Software: (Customers will have to download the software from e-con Developer Resource)
    • Supported OS: Windows 10, Windows 8.1, Windows 7, Linux and MAC *
    • e-CAMView (Windows) / QtCAM (Linux) - Video Preview and Still Capture Application
  • Documents:
  • * - For MAC OS support, please contact

Conversa® - Customization

  • Do you need a different lens mount (C-mount/CS-Mount) ?
  • Do you need assistance in choosing lens?
  • Do you need lens correction?
  • Do you want a smaller form factor?
  • Do you need LED?
  • Complete customization of firmware and hardware as per customer requirements. Please contact us for any customization and additional features.

Camera Customization



Targeted Applications

»  Ophthalmology

»  Laboratory Equipment

»  Door bell camera

»  In-car security

»  Rescue AGV camera

»  Microscope Camera

»  Video conference

»  Badge camera