Hi Sir,

I am new to Zephyr OS and am trying to setup proof of concept prototype using 
Fanstel's LN60G840 with nRF9160 to handle LTE module and separate nRF52840 for 
BLE and user app. I only manage to find hex/bin files on Fanstel website. I can 
manage to download LTE firmware into nRF9160 but has problem with trying to 
develop user application for the nRF52840 "BT840F". I am using VS code for IDE 
environment.

I see your website below has basic bsp support for fanstel-ev-bt840 under 
hw/bsp sun folder. I have read up on how to create custom board in nRF connect 
SDK documentation but have never try doing this.  I hope you can provide 
sufficient guidance on how to do this.

Please advise.

Best regards
Chee Wai



https://github.com/apache/mynewt-core
[https://opengraph.githubassets.com/98915fb7c86471ee1ada283c15cd44ce4f3aec0cfd0d11a5d6133d9e22225c15/apache/mynewt-core]<https://github.com/apache/mynewt-core>
GitHub - apache/mynewt-core: An OS to build, deploy and securely manage 
billions of devices<https://github.com/apache/mynewt-core>
Overview. Apache Mynewt is an open-source operating system for tiny embedded 
devices. Its goal is to make it easy to develop applications for 
microcontroller environments where power and cost are driving factors.
github.com

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