A look at mobile malware
Analog electronics are electronic systems with continuous, variable signals as opposed to digital signals.Ansæt Analog Engineers
First iteration prototypes of a multi-channel Audio mixer with Bluetooth needs redesign/ improvements for production. Schematics in Orcad and PCB layout in “boardmaker” (DOS). You would be required to redo circuit redesign and relayout. Reduce 3 boards to 2 , improve performance, reduce cost, and include production requirements for volume manufacture and test.