RE: How to communicate two nrf52820s with radio?

tesc — Thu, 24 Jul 2025 15:38:36 GMT

Hi,

[quote user=""]

I'm trying to determine:

Which radio protocol is most suitable for this setup (e.g., ESB, BLE, or custom nRF Radio),

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Both ESB and BLE can be good options if you control both ends of the connection. What is best depends on your particular use case and perhaps also on your experience level.

[quote user=""]

What configuration settings are required in the prj.conf file,
And how to properly set up the board definitions for both the nRF52820 and the nRF21540 modules.

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Please see as a starting point our courses on DevAcademy (https://academy.nordicsemi.com/), where nRF Connect SDK Fundamentals provides an intro to our SDK, and where Bluetooth Low Energy gives an introduction to BLE.

For help with choice of technology (both hardware and software solutions), please contact our regional sales representative for your area. You can do so through the "Sales related questions" form on https://www.nordicsemi.com/About-us/Contact-Us, or if you are already in contact then you have the contact details and can ask directly.

Regards,
Terje