Wiktionary
microsensor
n. Any of several very small sensors that detect small amounts, or changes in a physical variable.
Usage examples of "microsensor".
More microsensors than you can wave a stick at, but no heavy shit for now.
But there are no surprises and the microsensors Intelligence primed the place with say it's clear .
Each was encoded with the biopulse of the owner, including identity, and microsensors, and miniature communicator—Starfleet jargon called these insignia the “minimiracles” of recent science.