作者: Lee A. Reich
DOI:
关键词: Light source 、 Motion detection 、 Electrical engineering 、 Sensitivity (electronics) 、 Engineering 、 Motion sensors
摘要: An animal deterrent device includes an infra-red heat and motion sensor which senses in a predesignated area, the having sensitivity adjustments for detection darkness level at is activated; light source aimed area activated by upon sensing area; pretuned radio turned on to emit sound first housing holding sensor; second radio; adjustment adjusting position of adjust aimed; are aimed, devices each ball joint connects housings main housing.