Ky037 Sound Sensor Module Key benefits Reliable soundtrigger detection: Outputs clear /low signals when ambient sound exceeds the set threshold, making it easy to trigger actions in electronics and control systems. Stable amplification: Builtin fixed gain of 20 dB provides consistent input amplification for predictable performance. Lownoise capture: Small output noise and compact design help deliver smoother, more reliable sound detection in noisy environments. Easy sensitivity control: Onboard potentiometer lets you quickly adjust the detection threshold without extra components. Simple 5V integration: Designed to run on standard 5V systems for easy compatibility with common microcontrollers and development boards. What it does and how it helps Detects sound events and converts them into a digital /low signal, so your project can respond to claps, shouts, or other acoustic triggers without complex signal processing. The fixed 20 dB gain ensures the module amplifies weak sounds enough to be usable while keeping behavior consistent across installs. Low output noise and compact form factor reduce interference and make mounting on small devices straightforward. Compatibility and form factor Model: Ky037 Sound Sensor module. Power: 5V operation for straightforward integration with Arduino, ESP boards, Raspberry Pi interfaces (through appropriate level shifting), and other 5V systems. Size: Compact, smallfootprint module suited for mounting on microphones, robots, and other small equipment. Controls: Onboard potentiometer for threshold/sensitivity adjustment. Practical applications (use scenarios) Robotics: Mount on mobile robots to detect claps or voice cues for simple, noisetriggered behaviors such as stopping, turning, or entering a different mode. Smart devices and automation: Use as a sound trigger for home automation tasks — turn lights on with a clap, activate a recorder, or trigger an alarm when sound exceeds a threshold. Microphone accessories and monitoring: Integrate with small microphone assemblies or monitoring modules to provide a digital alert when sound levels cross a preset threshold. What to expect in integration Connect to a 5V supply and a digital input on your controller; use the potentiometer to set the trigger level appropriate to your environment. Because the module outputs a /low signal at the threshold, it simplifies programming and reduces the need for analog signal processing in many use cases. This module is intended for straightforward soundtrigger applications where compact size, low noise, and adjustable threshold detection are required.