Accurately measure environmental noise levels with 50dB sensitivity using this microphone decibel sensing module, featuring both analog output and 3/4pin interface compatibility for projects. Plugandplay design for seamless platform integration, delivering professional accuracy in sound signal processing while simplifying prototyping. Powered by DC 4.5V to 5.5V, the module provides analog signal output and a compact PCB layout that saves space for embedded systems. Aimed at electronics engineers, IoT developers, and enthusiasts building smart devices, sound analysis tools, or environmental solutions that require realtime noise detection. Practical use scenarios: Realtime ambient noise monitoring in smart homes, offices, or classrooms. Prototyping and validating sound sensors within IoT devices or environmental monitoring systems. Noisetriggered controls, alerts, or safety monitoring in embedded or industrial environments.