What is this?Ultrasonic module, This high-sensitivity microphone sensor module is suitable for voice recognition systems and can capture and transmit sound signals. It can be used for voice-controlled switch applications such as voice-controlled lights and voice-controlled electronic devices. In addition, in environmental monitoring, it can be used to detect noise levels or sound frequencies.What will I get?The Microphone Sound Sensor, we provide here, is in size of:Working Voltage: DC 3.3-5.5 VOutput Form: Digital and Analog OutputModel: KY-037Number of Pins:4Pin Length: 7 mm / 0.28inchJumper Wire Length: 116 mm / 4.57inchJumper Wire Pin Length: 5.5 mm / 0.
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