NRF52840 moduł RF E104-BT5040U

[Firemanpl]

Expected Behavior

This board on aliexpress NRF52840 moduł RF E104-BT5040U

Actual Behavior

Wsl doesn't recognize DFU mode. I was pressed resset and was plug into usb. I trying with VirtualBox with xubuntu ans WSL also and result is the same.

• Platform: DFU

[Firemanpl]

[Firemanpl]

Ok I solved you need to set permission to serial:

sudo chmod 666 /dev/ttyACM0

[Firemanpl]

HEH not respond when plugged into usb after flashing. AWWW. Yes this is it what i expected. I guess that i bricked it. All leds not respond and doesn't see device.

[Firemanpl]

[Firemanpl]

I ordered DAPLINK. Might have something to do with it yet.

[Firemanpl]

[syabyr]

This E104-BT5040U is a pca10059 clone. you can use jlink or other link flash uf2 bootloader first:

JLinkExe -If SWD -Speed 128 -Device NRF52840_XXAA
loadfile pca10059_bootloader-0.8.3_s140_6.1.1.hex

then build a nrf52840_dongle_dfu opensk firmware. It works.