2.4GHz signal between 2 nRF52840 Dongle

RE: 2.4GHz signal between 2 nRF52840 Dongle

Auuken — Thu, 25 Oct 2018 00:37:25 GMT

Ah true, however I need to use various 2.4GHz radio signals (different channels) to collect data. I see that nRF52840 supports the following protocols: Bluetooth LE, Thread, Zigbee, 802.15.4, ANT and 2.4GHz. BLE works fine, and I am wondering if I can use various other 2.4GHz radios with the 2 nRF52840 dongles that I have. Testing them at distance of ~3m.

RE: 2.4GHz signal between 2 nRF52840 Dongle

awneil — Wed, 24 Oct 2018 17:03:34 GMT

[quote userid="74683" url="~/f/nordic-q-a/39672/2-4ghz-signal-between-2-nrf52840-dongle/153932"]bluetooth and not 2.4GHz radio[/quote]

Err ... Bluetooth is a 2.4GHz radio!

RE: 2.4GHz signal between 2 nRF52840 Dongle

Auuken — Wed, 24 Oct 2018 15:35:58 GMT

Alright, I'll use BLE. Thank you!

RE: 2.4GHz signal between 2 nRF52840 Dongle

Marjeris Romero — Tue, 23 Oct 2018 09:03:13 GMT

Hi Auuken,

I see, I now understood your question. Unfortunately you cannot use the nRF Connect app for testing propietary protocols. The easiest way to test the 2.4GHz radio would be with the Radio Test Example, but you will need to use a DK connected to your computer as the example is controlled using UART.

You could also modify the example to use USB-CDC instead of UART in you want to use the dongle, you can see this example here as a guideline.

Best Regards,

Marjeris

RE: 2.4GHz signal between 2 nRF52840 Dongle

Auuken — Mon, 22 Oct 2018 22:17:03 GMT

Hi msromero,

Thanks for the reply. I have launched the nRF Connect app and installed all of the apps. I have also used, 'Bluetooth Low Energy' to test RSSI signal strength. However, this is using bluetooth and not (various other) 2.4GHz radios. I would like to connect the two nRF52840's using various 2.4GHz radio protocols and test the signal strength of that. Can this be done with nRF Connect or otherwise with these dongles?

Thanks!

RE: 2.4GHz signal between 2 nRF52840 Dongle

Marjeris Romero — Mon, 22 Oct 2018 13:16:39 GMT

Hi,

I don't know if I understood your question. You can use the nRF Connect app for Desktop with a nRF52840 dongle to read the RSSI value from an application running in another dongle.

Just launch the nRF Connect app and add the "Bluetooth Low Energy" app in the start menu. The user guide for the nRF Connect Bluetooth Low Energy app can be found here.

Best Regards,

Marjeris