Hello, I have over 20+ years in designing, developing and delivering quality software for Windows, Embedded and Linux platforms and 5+ years in Android and iOS development.
I have vast experience in developing GPS/Bluetooth/IOT applications.
You can check my portfolio to see more projects that involve GPS/Bluetooth/IOT technologies.
https://www.freelancer.com/u/boyaniliev1
Do you have the platform signature files([login to view URL] and [login to view URL]) for this custom board?
I hope that my application will be of interest to you.
Best Regards,
Boyan Iliev