Download URL:
https://www.nordicsemi.com/Software-and-tools/Software/nRF5-SDK/Download#infotabs
SOFTWARE
FBV-EVK-CN5210S
SOFTWARE DOWNLOAD
1.Download Nordic nRF5 SDK version14.2
2.Download Segger Embedded Studio
Download URL:
https://www.segger.com/downloads/embedded-studio
* We have confirmed the operation with Version 4.12
* If you have a problem ...
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https://devzone.nordicsemi.com/