Mobile phone switch

 https://www.instructables.com/How-to-Make-Mobile-Phone-Detector/

https://icecreamapps.com/Download-PDF-Editor/

https://microservices.io/patterns/data/database-per-service.html

https://microservices.io/patterns/data/shared-database.html

Linux on Mars

https://nasa.github.io/fprime/

https://github.com/nasa/fprime

https://trs.jpl.nasa.gov/handle/2014/48425

https://www.jpl.nasa.gov/

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