Flashback to the 1990s, when this IT pilot fish is helping develop an automated people mover for a very big European airport -- a system with lots of moving parts.

"My subsystem was designed to keep the elevated concrete guideway clear of ice and snow," says fish. "My software had to communicate with a multitude of devices -- PLCs, microcontrollers for the weather sensors, and other embedded/standalone systems.

"The interfaces all relied on different protocols transmitted and received on multiple serial ports. Rather than code modules for each protocol, I designed a generic solution that would work for all of them."

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