The Microphone Sensor is a compact and versatile sound detection board designed for makers, educators and embedded developers. It uses an onboard electret microphone to capture ambient sound and converts it into an analog voltage signal proportional to sound intensity. The module also features a digital trigger output that activates when sound exceeds a user defined threshold. This dual output design makes it ideal for both precise sound level monitoring and simple sound event detection. Whether you're building a clap activated light, a noise monitoring system, or a sound reactive robot, this module offers reliable performance, easy integration, and fast prototyping. Highlights: Real time Analog Output: (AO) for sound level measurement. Adjustable Digital Output: (DO) with threshold trigger. Operating voltage: 3.3-5V. Adjustable sensitivity: Via onboard potentiometer. Built in comparator (LM393). Power and signal indicator LEDs. Specifications: Operating Voltage: 3.3-5V. Output Signals: Analog (AO) & Digital (DO). Microphone Type: Electret condenser microphone. Comparator IC: LM393. Sensitivity Adjustment: Onboard potentiometer. Onboard Indicator Led: Power LED & Digital Output LED. Mounting Holes: Yes, screw hole 3mm. Dimensions: ~37×15×14mm. Interface: 4-pin (VCC, GND, A0, D0). Ideal For: 👏 Clap detection projects. 🤖 Robotics sound response systems. 🔊 Sound activated lighting & automation. 📊 Noise level monitoring projects. 🎓 Arduino & STEM education projects. Note: Product appearance may vary slightly from the images shown. Text or markings on the sensor may differ depending on the batch.
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