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1-Wire® Grid-EYE® Sensor w/Arduino-Compatible PCB - Review

Scoring

Product Performed to Expectations: 7
Specifications were sufficient to design with: 8
Demo Software was of good quality: 9
Demo was easy to use: 8
Support materials were available: 8
The price to performance ratio was good: 7
TotalScore: 47 / 60
  • RoadTest: 1-Wire® Grid-EYE® Sensor w/Arduino-Compatible PCB
  • Buy Now
  • Evaluation Type: Evaluation Boards
  • Application you used the part in: Home automation Controller
  • Was everything in the box required?: No - Arduino/MBED Platform is required
  • Comparable Products/Other parts you considered: null
  • What were the biggest problems encountered?: null

  • Detailed Review:

        Unboxing  of the Kit

     

    20170614_185003.jpg

     

    Kit Contents

     

    20170614_185134.jpg

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    MAXREFDES130 Top View

    20170614_185212.jpg

    MAXREFDES130 Bottom View

    20170614_185801.jpg

    I am using arduino-uno board for evaluation.

    when inserting it to the header pins, the USB connector  is touching the PCB Tracks & Points. So to avoid short I covered the connector with Plastic-tape

    20170614_185704.jpg

    All the components required for testing are arranged on work table

    20170614_185748.jpg

    After that arduino is connected to the MAXREFDES130 shield

    20170614_191015.jpg

    24 Vdc is applied to the MAXREFDES130 via DC adopter & arduino is Connected to PC via USB cable. MAXREFDES130 Grid Eye is connected to MAXREFDES130 via RJ11 cable on board & Power is applied.

    20170614_190042.jpg

      LEDs indicate the Proper power presence in MAXREFDES130 and MAXREFDES131

    20170614_190210.jpg

    20170614_190216.jpg

    OWGridEye_SingleDevice Firm-ware is uploaded to arduino  and Serial monitor shows following output

    7.PNG

    66.PNG

     

    after that MAXREFDES131_GUI_Firmware is uploaded to arduino and Demo app is executed to obtain following results

    8.PNG

    select the correct COM port in drop down menu

    1.PNG

    After correct COM port selection, Click " Enumerate Sensors" to find and display sensors on One-Wire bus

    2.PNG

    After proper sensor enumeration press the Receive data button

    3.PNG

    Thus the intensity values of 8*8 sensor array is depicted graphically  on GUI

    4.PNG

    Movements of hand above sensor can be clearly seen in the  images

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    6.PNG

    After that MAXREFDES130 firmware is uploaded to arduino to obtain following Output on serial monitor

    10.PNG

    0-10V analog output generation capability is tested by selecting option 10.

    5v.PNG

    A multimeter is connected in DC voltage mode between channel 0 & GND using crocodile-style clips with hook up wires and is tested for various voltages as shown in the figure

    20170614_193109.jpg

    20170614_193120.jpg

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    Channel 0 is providing 5V DC

    20170614_193418.jpg

    Channel 0 is providing  9.5 V DC

    20170614_193531.jpg

    The analog outputs has pretty good accuracy.

     

     

    All  files including arduino codes, libraries, Demo GUI & schematics are included in the attachment as .zip files


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