What is a sensor?

transducer/sensor)isadetectiondevicethatcansensetheinformationbeingmeasured,andcantransformthesensedinformationintoelectricalsignalsorotherrequiredformsofinformationoutputinaccordancewithacertainruletomeettheinformationTransmission,processing,storage,display,recordingandcontrolrequirements.Thecharacteristicsofthesensorinclude:miniaturization,digitization,intelligence,multi-unction,systemization,andnetwork.Itistheprimarylinktoachieveautomaticdetectionandautomaticcontrol.Theexistenceanddevelopmentofsensorsallowobjectstohavesensessuchastouch,tasteandsmell,andmakeobjectsslowlycometolife.Generallydividedintotencategoriessuchasthermalsensors,lightsensors,gassensors,forcesensors,magneticsensors,humiditysensors,soundsensors,radiationsensors,colorsensors,andtastesensors.