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They look like great little devices though, and extremely cheap too.
Well, I guess all the Nordic chips ask for this kind of cheap generic board designs, this one from Nordic themselves, so that will not go away. Still enough market for specific power/battery designs and special form factors as well as sensor/display combos.
Now that the 52s with this chip got USB support, too, I hoped to get Espruino's USB HID support running, though I haven't verified that they will support that via the dongle's USB contact pads...
I'm afraid not. I've been looking into support for the nRF52840DK but realistically to work properly it needs to be running with SDK15, and I haven't managed to get that going at the moment.
They look like great little devices though, and extremely cheap too.