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Technical Article

How does self-powered sensor work? Where does it get energy to keep functioning?

Time:2019-04-19 15:15:58 Click:

Actually, there are two various self-powered sensors: One is active sensor, the other is passive sensor.


Here is the details where the above two sensors get energy to keep functioning:


Active sensor: An energy transfer naturally that doesn’t need additional power supply;

Passive sensor: It need input power supply(Generally it’s +5V) to output electric signal, such as temperature sensor,etc.




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