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BLE Sensor Tag Demo Module for Android/iOS - Review

Scoring

Product Performed to Expectations: 8
Specifications were sufficient to design with: 10
Demo Software was of good quality: 4
Product was easy to use: 10
Support materials were available: 7
The price to performance ratio was good: 8
TotalScore: 47 / 60
  • RoadTest: BLE Sensor Tag Demo Module for Android/iOS
  • Buy Now
  • Evaluation Type: Test Equipment
  • Was everything in the box required?: Yes
  • What were the biggest problems encountered?: connecting sensor to demo software on android phone.

  • Detailed Review:

    I am sorry first of all, for writing late.  In this review i am gonna focus more on technical perspective.

    • About Product :

    Product i received was not with battery. i needed to buy it separately.

    headers were not available to read current consumption.

    Product is easy to use. Simple ON- OFF button is easy to operate.

    LED blinking pattern is good way to know state of product. (When product is available to connect, it keeps blinking. When it connects, it stops blinking.)

       

    • About Sensor :

    Temperature Sensor is bit accurate, with +- 1°C. If you want more accuracy in your application, i won't recommend it.

    Humidity sensor is also not that much accurate. variable is more than +-3%.

    Haven't check for pressure sensor, but i guess it also won't be much reliable for precise measurements.

    But if you ok with this much deviation, or your system not need accurate readings, i guess it's the best thing you can go with.

     

    • About Demo Software :

    I am android user, and tested demo software on Nokia 6.1 plus model.

    App is good but have areas for improvement.

    It would be good if user is able see battery percentage in app.

    Sensor Connected easily with app for 1st time, But 2nd time onward it was having difficulty to find sensor. (Bluetooth of mobile and of sensor was turned on)

    but once found, it's not difficult to take readings.

    Graphical representation is good. very easy to understand and grasp.

    as other reviewer have added screenshots, i won't be uploading again.

    can find detail review about Demo software by thamizharasan on link BLE Sensor Tag Demo Module for Android/iOS - Review .

     

    • About Battery Life

    They promised 1 year long battery life  (coin cell ) for BLE. i guess that must be theoretical value.

    in real life, i guess 2-3 month is avg battery life for this product, which is actually bit disappointing, but hey, that's coin cell for 2 month. so not too bad.

     

    • Writing your own code to read value through sensor :

    One should have at least protocol level knowledge of BLE to write code for BLE sensors. for total newbie in BLE, i recommend to learn protocol first.

    I had windows 10 IoT Core installed on raspberry pi 3 model, and tested sensor on same.

    Microsoft has provided sample code and is available on this link.

    You need to make few changes but, to read from customized service and characteristic. this is not much hard as service and characteristic details for BLE and formula's to calculate temperature, humidity, pressure and battery are easily available in datasheet.

     

    • DEMO VIDEO

    I have read temperature and humidity from HDC1010 sensor and from TESS WIRELESS SENSOR TAG at same time, and compared both.

    Having BLE protocol level knowledge will ease to understand video briefly.

    and apologies in advance for video quality, I am not good with camera.
    https://youtu.be/DocUpIPHPL4

    i was not able to add video on this page due to some error, hence YouTube link.


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