EntityQ1823535· pop 15· linked from 126 articlesphotoelectric sensorSign in to saveequipment used to discover the distance, absence, or presence of an object by using a light transmitter and a photoelectric receiverConnectionselectronicsEntityopticsEntityinfrared radiationEntityWayback MachineEntityoptical fiberEntityphotoelectric effectEntitysensorEntityremote sensingEntitymodulationEntityphotodiodeEntityelectronic amplifierEntityphotodetectorEntitysmoke detectorEntityproximity sensorEntitydemodulationEntitylist of sensorsEntityelectric eyeEntityCategoriesSensors