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RoadTest Forum Seeking Your Interest in RoadTesting an IR light angle sensor board
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Forum Thread Details
  • Replies 14 replies
  • Subscribers 2557 subscribers
  • Views 2265 views
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  • roadtester poll
Related

Seeking Your Interest in RoadTesting an IR light angle sensor board

rscasny
rscasny over 1 year ago

imageI have had a conversation with a supplier interesting in having the element14 community roadtest its IR light angle sensor board. I don't recall us previously roadtesting this type of sensor (or at least recently within the past year), so let me give you a few facts about it.

If you have the time to explore the device, I'd appreciate you voting in my poll below. Of course, you are free to leave a comment. Many thinks.

Randall
element14 Community Team

Here's a few facts about the board:

EVAL-ADPD2140Z is an evaluation kit to evaluate the ADPD2140 IR light angle sensor, collect data from the ADPD2140, and evaluate gesture recognition and triangulation capabilities. The evaluation kit requires the EVAL-ADPDM3Z evaluation board and the Applications Wavetool, a graphical user interface (GUI) that provides users with low level and high level configurability, real-time data analysis, and user datagram protocol (UDP) transfer capability, which allows the EVAL-ADPDM3Z evaluation board to interface to a PC. The USB port of the PC powers the EVAL-ADPDM3Z evaluation board and provides power to the EVAL-ADPD2140Z evaluation board. On-board voltage regulators provide voltage supplies for the ADPD2140.

Here's some documentation

  • UG-1358: ADPD2140 Evaluation Board User Guide
  • UG-1282: EVAL-ADPDM3Z Evaluation Board User Guide
  • Reference Design CN0569 Infrared Gesture Recognition Module

Here's the poll:

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Top Replies

  • misaz
    misaz over 1 year ago +2
    It seems that theory of operation is similar to MAX25405 which we experimented with in design challenge: Experimenting with Gesture Sensors . But still it would be nice to see how alternative approaches…
  • DAB
    DAB over 1 year ago in reply to obones +2
    True, but you could use a reflective ball on the end of a rod to see just how accurately you could make the position locations respond to a series of preset activities. That and you could use it to test…
  • kmikemoo
    kmikemoo over 1 year ago in reply to obones +2
    obones I agree that the range drives the application. It makes me think of those "foot operated" sensors that are supposed to open passenger vehicle liftgates simply by waving your foot beneath the vehicle…
  • misaz
    misaz over 1 year ago

    It seems that theory of operation is similar to MAX25405 which we experimented with in design challenge:  Experimenting with Gesture Sensors  . But still it would be nice to see how alternative approaches behave.

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  • shabaz
    shabaz over 1 year ago

    Interesting part(s)! It looks like a lot of signal processing is occurring in one of the chips (the sensing and processing are split into two components, and the chip that does the processing can also be used for heartbeat monitoring too).

    Pretty amazing that gesture-sensing is low-cost nowadays. Still feels like magic that people can wave outside store windows etc for touchless interactivity.

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  • embeddedguy
    embeddedguy over 1 year ago

    Interesting sensor and new technology. But still there is not a possibility to use it with microcontroller of  our choice. Also, there is only software that is available to download and "Just evaluate" the sensor as it is. Hence, I voted with No.

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  • DAB
    DAB over 1 year ago

    Very interesting device.

    I will have to think about testing it.

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  • dwinhold
    dwinhold over 1 year ago

    Very interesting hardware, it looks to be limited, since the program is "Evaluation only".  It would be interesting to see what can be done once we have it in hand.

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  • shabaz
    shabaz over 1 year ago in reply to embeddedguy

    The sensor board has I2C and supply connections, to allow it to be connected to other hardware instead of the supplied microcontroller board, to allow users to develop their own code.

    But, it may require a level converter (I believe the voltages levels are 1.8V).

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  • embeddedguy
    embeddedguy over 1 year ago in reply to shabaz

    Oh, Now I see, there is SCL visible on the board in the image above. Thanks

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  • colporteur
    colporteur over 1 year ago

    image

    I'm thinking I got the setup correct in order to Roadtest.

    The hardware descriptive name both being "Evaluation boards" at first glance confused me. I had to a deeper dive to understand.

    I rather enjoy dabbling with IR stuff. Might me interesting. 

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  • rsjawale24
    rsjawale24 over 1 year ago

    Seems interesting. Apart from gesture recognition, I wonder if it can also be used for applications like shaft alignment, counting rotations or other IR applications.

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  • DAB
    DAB over 1 year ago

    I just realized that you could set up two of these boards and do 3D mapping of gestures, that would be a very interesting capability to explore.

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