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how to upgrade nrf51822-beacon kit using nrf51-dk

shinho

Hi, I bought the nrf51822-beacon kit and nrf51-dk including TC2030-CTX-NL connector for connecting them each other through the Debug out pin on the nRF51-DK.

I can't find right source code and don't right compile way using the Keil-uV.

I need step by step explanations. I searched serveral days to solve this. No right materials.

Need helps.

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  • 0

    @martinbl Hi Martin, I'm doing exactly what you're saying to program the beacon kit (using the TC2030 connector to connect), but the beacon kit just does not get recognized by the DK, I can only upload to the DK. I measured the voltage on them at it's about 2.8-2.9V. Is there really no way to power the beacon from the DK. Why does that not work and what would you suggest I do to get the beacons recognized?

  • 0 in reply to Sarah

    Hi Sarah. Make sure you try Shinhos suggestions. Also, a common misconception is that the Vtref (also known as Vtg (target voltage)) pin on the J-Link adapter is providing power to the external board. This is not the case however. The sole purpose of the Vtref pin is to detect the voltage on the external board. That is how the J-Link knows an external board is present and what voltage levels to use during programming. Hence you need an additional power supply for your beacon kit. You can, of course, use the Vdd and GND output pins on the nRF51 DK to power the beacon, but this will require some soldering.

    EDIT - got a little confused by names and comments. This comment was meant as an answer for Sarahs question.

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  • 0 in reply to Sarah

    Hi Sarah. Make sure you try Shinhos suggestions. Also, a common misconception is that the Vtref (also known as Vtg (target voltage)) pin on the J-Link adapter is providing power to the external board. This is not the case however. The sole purpose of the Vtref pin is to detect the voltage on the external board. That is how the J-Link knows an external board is present and what voltage levels to use during programming. Hence you need an additional power supply for your beacon kit. You can, of course, use the Vdd and GND output pins on the nRF51 DK to power the beacon, but this will require some soldering.

    EDIT - got a little confused by names and comments. This comment was meant as an answer for Sarahs question.

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