High Sensitivity Sound Detection Module KY-037

High sensitivity sound detection unit KY-037 designed to pick up surrounding sounds accurately. Used in projects that interact with sound such as voice-controlled robots, sound alarm systems, or clapping-activated lights. The unit contains a high sensitivity microphone and an operational amplifier for signal processing. Provides an analog output representing sound intensity directly, and a digital output that changes when the sound reaches a certain adjustable level. Technical details: Unit model: KY-037 Operating voltage: 3.3 volts to 5 volts Microphone sensitivity: -42 ±3 dB Output type: digital and analog