5pcs KY-038 Microphone Voice Sound Sensor Module Analog Digital Output Kit, 501 Original

5pcs Smart Electronics KY-038 Microphone Voice Sound Sensor Module Analog Digital Output Sensors BoardFeature:1. Equipped with electret capacitive microphone (ECM) sensor with high sensitivity.2. Power lamp.3. Bulb indicator comparator output.4. AO, Real-time Microphone Voltage Signal Output.5. DO, High/Low Level Signal Output.6. Simulation of Quantity Output.7. Electrical output flip threshold.8. Adjust sensitivity by potentiometer.Specification:Size: 40*15*12mm/1.57*0.59*0.47''Note: Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.5 x Microphone Voice Sound Sensor Modules