Nordic "nRF52840 Dongle" Support

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•

k.zabloudil
Hello,

I tried to flash AkosLukacs's hex file from this page to my nrf52840 dongle using nrfutil:
```
nrfutil pkg generate --hw-version 52 --sd-req 0 --application espruino_2v04.160_nrf52840_dongle.hex --application-version-string "2.4.0" dfu.zip
nrfutil dfu usb-serial -pkg dfu.zip -p COM5 -b 115200
```
it says that the device was programmed succesfully, but I can't connect to it (I do not see any BT device nor any COM port I can connect. the only port I see is the one I used for programming showing nRF52 SDFU USB (COM5))

any hint what can be wrong ?

thank your any advice...

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AkosLukacs in reply to @k.zabloudil

I don't think you need to create a DFU package. I just used the nRF Connect application's programmer. AFAIK that just calls nrfjprog.
I think you should try nRF Connect's gui, or just flash the hex with nrfjprog.

•

k.zabloudil in reply to @AkosLukacs

thank you, I was able to flash and connect using nrf connect!

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