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CC2541DK-MINI: Connect keyfob with mobile Bluetooth

Jibran Shahid
Prodigy 10 points
Part Number: CC2541DK-MINI

I want to connect my CC2541DK-MINI keyfob with bluetooth of smartphone to get data of accelerometer sensor from to keyfob to my mobile application. Is it possible to connect keyfob to mobile blutooth and get raw data in mobile application rather than connecting it to usb dongle (BLE)? Kindly provide a best working solution.

  • 0
    TI__Intellectual 1975 points

    Hello Jibran,

    If you configure your keyfob application to support notifications and or indications of this accelerometer  sensor data then via a phone app you could connect to and enable the notifications from the phone. Then the phone app could log the data as it is being notified or indicated. For more information on this process please look at the BLE Fundamentals SLA.

    Notifications are a asynchronous message that will await an ack from the central device.

    Indications are the same except it will keep spitting the messages out without the requirement of an ack from the central. You can use the Indication to mindlessly send the data to the central(phone) where it can log it.

    There are phone apps such as LightBlue or BLE Scanner which you can enable/disable notifications/indications. Though, I don't believe they support logging the data for you. You may need to find a different app or create one that fits your requirements.

    Best,

    Kris