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Thunderboard Sense board - VOCs sensor

koudelad

Hello,

 

I know that a few people here own a Thunderboard Sense board from Silicon Labs. This board contains (besides other sensors) a CCS811 VOCs gas sensor.

I downloaded the original application for iOS and connected the board to a phone via Bluetooth LE. When I tap on "Environment" menu in the app, I can see values measured by all sensors (temperature, humidity, ambient light, UV index, air pressure and sound level), except the values from the VOCs sensor (there are no tiles for the values from it). I can physically see the sensor mounted on the PCB, but I haven't tried connecting it to an I2C analyzer yet.

 

The manual doesn't say anything special about this sensor, for example how to activate it etc.

 

Am I missing something?

 

Thank you,

David

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  • 0

    Thank You for you time.

    I finally solved it. I had to install the Simplicity studio, add the board to supported devices, install all the necessary software (board support package, toolchains, ...) to start development and then opening and uploading the application firmware to the board.

    I have the newest HW revision of the board, however, there was some old firmware.

     

    I also bought a Sensor puck, so I will perform the same procedure to make sure I have the latest firmware.

     

    David

  • 0 in reply to koudelad

    And the story continues...

    The firmware version might be the newest, but the board doesn't show the VOC / "CO2" concentration measurement and doesn't allow to control the four RGB LEDs until powered from a USB port.

     

    I searched through the user guide and found only this vague sentence: More demanding applications, such as enabling the RGB LEDs at high intensities, might need a higher capacity external battery or USB power.

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  • 0 in reply to koudelad

    And the story continues...

    The firmware version might be the newest, but the board doesn't show the VOC / "CO2" concentration measurement and doesn't allow to control the four RGB LEDs until powered from a USB port.

     

    I searched through the user guide and found only this vague sentence: More demanding applications, such as enabling the RGB LEDs at high intensities, might need a higher capacity external battery or USB power.

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