ReSpeaker 4 Mic Linear Array Kit for Raspberry Pi HC SR04 Ultrasonic Distance Sensor Module (Pack of 20) The camera works immediately upon The camera works immediately upon connection with standard GStreamer or OpenCV applications without any additional software installation enabling detection of infrared wavelengths from 400nm to 1000nm for night vision and thermal analysis without visible light interference Surveillance and Security Systems: Implement audio triggered event detection for security applications where directional microphone arrays help identify threat source location while reducing false alarms from background noise making it compatible with any application that can access Linux audio interfaces