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DFU over BLE - nrf52840 dongle without nrf52dk or nrfconnect mobile.

Kara

I already flash the ble_blinky example to the nrf52840-dongle using nrfconnect desktop. The question is it is possible to do DFU OTA via Bluetooth without nrf52dk or nrfconnect mobile? Or is there any other method to DFU OTA via Bluetooth?

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  • +1

    Hi,

    I am not sure exactly what you want to do, so perhaps this does not answer your question. If not, please ask again and elaborate.

    The nRF52840 dongle is a bit special in that it comes with a USB bootloader, which cannot be replaced whiteout using an external debugger (which is usually not recommended). So that is not a good platform to upgrade via BLE DFU. Other development HW we provide can be flashed with a example BLE bootloader. This is then the target device that can be updated OTA. To do so, you either need a Android or iOS device, for instance programmed with the nRF Connect for mobile app, which can act as a DFU master. Alternatively you can use a PC with nRF Connect Bluetooth, which can also act as DFU master. In this case you need a nRF52840 dongle or other DK connecte to the PC though. We do not provide any DFU master implementations that can use the native Bluetooth hardware in desktop computers.

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  • +1

    Hi,

    I am not sure exactly what you want to do, so perhaps this does not answer your question. If not, please ask again and elaborate.

    The nRF52840 dongle is a bit special in that it comes with a USB bootloader, which cannot be replaced whiteout using an external debugger (which is usually not recommended). So that is not a good platform to upgrade via BLE DFU. Other development HW we provide can be flashed with a example BLE bootloader. This is then the target device that can be updated OTA. To do so, you either need a Android or iOS device, for instance programmed with the nRF Connect for mobile app, which can act as a DFU master. Alternatively you can use a PC with nRF Connect Bluetooth, which can also act as DFU master. In this case you need a nRF52840 dongle or other DK connecte to the PC though. We do not provide any DFU master implementations that can use the native Bluetooth hardware in desktop computers.

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