Which non-medical industry's technology was first adapted to create the core mechanism used in modern smart medication dispensers?

The healthcare industry has embraced IoT technology to improve medication adherence and patient outcomes. Smart pill dispensers represent a fascinating evolution in medical product design, combining healthcare needs with technological innovation. These devices now include features like automated dispensing, reminder systems, remote monitoring, and integration with healthcare provider systems. But do you know the unexpected industry that first pioneered the technology behind these life-saving devices?

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Banking industry (ATM cash-counting mechanisms)
Vending machine industry (product dispensing systems)
Automotive industry (fuel injection timing systems)
Telecommunications industry (SIM card ejection mechanisms)