Curious to learn more about what kind of sensors can detect people, pets, heat sources or motion? Discover the answer in this episode of Ask the Engineers from Panasonic Sensors. In this fun and informative video, you can learn more about the differences between, and the best applications for, the Panasonic Passive Infrared PIR Sensors and Grid-EYE® Infrared Array Sensor, including which sensor is best for detecting if people are in a room and which is best for detecting motion.