Sound sensor with digital output - universally applicable! It is generally used to detect the sound intensity of the environment. If the ambient sound intensity is less than the set threshold, the output is high (1), otherwise low (0). Features - can detect the sound intensity of the environment - adjustable sensitivity - Operating voltage 3.3 ... 5 V - Output in the form of digital switching outputs (0 = high and 1 = low) - Circuit board size (LxW): 32 x 17 mm NOTE: This sensor is only used to identify the voice of presence or absence (depending on the size or specific frequency of the vibration principle).