ITEM NAME:RobotDyn Microphone Sound (Voice) Detector Module, Sensor, With Digital And A5R7 RobotDyn Microphone Sound (Voice) Detector Module, Sensor, With Digital And A5R7 For Sound Detector has two outputs: AO - analog output, real-time output voltage signal of the microphone DO - when the sound intensity reaches a certain threshold, the output high and low signal The threshold-sensitivity can be adjusted via potentiometer on the sensor Brand Name:RobotDyn Material: plastic + metal Color:black & blue size:3.6*2*1.2CM Package Contents: 1*Voice Detector Module.For Sound Detector has two outputs.
