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how to connect NRF52840 with android application (NRF Toolbox) via bleutooth

nikola

Hi ,

I am trying to connect my NRF52840 with the application NRF Toolbox using bleuutooth technology 
when I use this DK 

it works very well and the application detect the device automatically .

but when I am trying with externel debug (connecting with anrduino uno 33 ble) with this device 

It doesn't  work 

Is there  any deference between this two devices and how can I connect this device with the application ?

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  • 0

    Hi, 

    It doesn't  work 

    What doesn't work? What is your intention? 

     

    when I am trying with externel debug (connecting with anrduino uno 33 ble) with this device

     What is the second DK? Is it nRF52832DK? Are you using the DK to program and debug Arduino NANO 33 BLE via Debug output? Do you also provide power to NANO 33? Could J-Link Commander detect the VTref is 3.3v? 


    Is there  any deference between this two devices

     What is the second DK? 

     

    how can I connect this device with the application ?

     See this Debug output doc. Please also check the SWD connection is correct.

    -Amanda H.

  • 0 in reply to Amanda Hsieh
    Amanda Hsieh said:
    What doesn't work? What is your intention? 

    The NRF Toolbox application  poster No device Found , my intention is to send and receive data from NRF52832 using debug out with arduino nano 33 ble 

    Amanda Hsieh said:
     What is the second DK? Is it nRF52832DK? Are you using the DK to program and debug Arduino NANO 33 BLE via Debug output? Do you also provide power to NANO 33? Could J-Link Commander detect the VTref is 3.3v? 

    the second DK is the NRF52832 .
    yes I am using the DK to program and debug Arduino nano 33 ble via debug out .

    the power of arduino nano ble is connected to VTG pin of the NRF52832 (VTref==>VTG) 

     
  • 0 in reply to nikola

    Hi,

    nikola said:
    the power of arduino nano ble is connected to VTG pin of the NRF52832 (VTref==>VTG) 

     Do you connect via Debug out (P19)? The VTG doesn't provide power to the external device. You need to provide power to nano 33 and confirm by the J-Link Commander detect the VTref is 3.3v. If you connect correctly, you could start to debug to see why the application cannot work on nano 33. You might need help from https://forum.arduino.cc regarding how to debug on nano 33.  Also, check out https://wiki.segger.com/Arduino_Nano_33_BLE

    -Amanda H.

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