{"product_id":"ky-037-high-sensitivity-microphone-sound-sensor-module","title":"4 Pack KY‑037 High Sensitivity Microphone Sound Sensor Module","description":"\u003ch1\u003e4 Pack KY‑037 High Sensitivity Microphone Sound Sensor Module\u003c\/h1\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"product-description\"\u003eProduct Description\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThe KY‑037 High Sensitivity Microphone Sensor Module is designed to detect sound levels and sound events in the environment using an electret condenser microphone and adjustable gain amplifier. It outputs both a raw analog signal and a digital trigger signal, making it easy to build projects that respond to claps, knocks, alarms, or other loud noises without designing your own front‑end circuitry.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThe onboard potentiometer lets you set a sensitivity threshold for the digital output, while the analog output gives a continuous voltage proportional to the detected sound level (relative rather than calibrated). This makes the KY‑037 a versatile choice for sound‑activated electronics, basic audio‑reactive effects, and interactive installations where relative sound intensity is more important than precise decibel measurements.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"ideal-uses\"\u003eIdeal Uses\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eSound‑activated lights or relays\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(e.g., clap‑to‑toggle lamps, simple noise‑triggered devices).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eAlarm and event detection\u003c\/strong\u003e, such as reacting to sirens, knocks, or machinery noise.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eInteractive exhibits and installations\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethat respond to audience noise or voice presence.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eBasic sound level monitoring\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein hobby projects (relative loudness, not calibrated SPL).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eEducational projects demonstrating microphones, amplification, comparators, and analog vs digital sensing.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"compatibility\"\u003eCompatibility\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eWorks with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eArduino\u003c\/strong\u003e, ESP32, ESP8266, and similar microcontrollers via:\u003c\/p\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eAO (Analog Output)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto an analog input pin.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eDO (Digital Output)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto a digital input for threshold‑based detection.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eAccepts\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3.3 V to 5 V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esupply, making it suitable for both 5 V Arduino boards and 3.3 V platforms like ESP32.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eCompatible with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRaspberry Pi\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand other SBCs when reading the digital output or using an ADC for the analog output.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eFits into common “37‑in‑1” or KY‑series sensor kits, with many existing code examples and tutorials.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"key-features\"\u003eKey Features\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eElectret condenser microphone\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor capturing environmental sound.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eHigh‑sensitivity amplifier\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith adjustable gain via onboard potentiometer.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eAnalog output (AO)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eproviding a voltage related to sound intensity (relative measurement).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eDigital output (DO)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edriven by a comparator; goes high or low when sound crosses a set threshold.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003ePower indicator LED\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand status LED (for digital trigger) on many variants.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eDesigned for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esound detection\u003c\/strong\u003e, not for high‑fidelity audio recording.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/electropeak.com\/sound-sensor-ky-037\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eCompact PCB with 4‑pin header: VCC, GND, AO, DO.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"technical-specs-typical-ky037\"\u003eTechnical Specs (Typical, KY‑037)\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eExact values vary slightly by manufacturer; check your specific module:\u003c\/p\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eModel:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKY‑037\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ehigh‑sensitivity sound sensor.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eInput Voltage:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3.3 V ~ 5 V\u003c\/strong\u003e.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/electropeak.com\/sound-sensor-ky-037\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eOutputs:\u003c\/p\u003e\n\u003cul class=\"marker:text-quiet list-disc\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eAO – analog output (continuous signal from microphone\/amplifier).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eDO – digital output (threshold‑based, from comparator).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eComponents: electret microphone, op‑amp amplifier, comparator, potentiometer for sensitivity, indicator LEDs.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eTypical Size: ~35 × 15 × 14 mm with mounting hole (3 mm).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/electropeak.com\/sound-sensor-ky-037\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eSensitivity: adjustable via potentiometer for different noise environments.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"whats-included\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e1 × KY‑037 High Sensitivity Microphone Sound Sensor Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"relative font-sans text-base text-foreground selection:bg-super\/50 selection:text-foreground dark:selection:bg-super\/10 dark:selection:text-super\"\u003e\n\u003cdiv class=\"min-w-0 break-words [word-break:break-word]\"\u003e\n\u003cdiv dir=\"auto\" id=\"markdown-content-93\" class=\"gap-y-md after:clear-both after:block after:content-['']\" lang=\"en\"\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"safety-note\"\u003eSafety Note\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"has-inline-images my-2 first:mt-0 [\u0026amp;:has([data-inline-type=image])+\u0026amp;:has([data-inline-type=image])_[data-inline-type=image]]:hidden [\u0026amp;:has(table)_[data-inline-type=image]]:hidden [\u0026amp;_h1:first-of-type]:mt-8 [\u0026amp;_h2:first-of-type]:mt-6\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"prose dark:prose-invert inline leading-relaxed break-words min-w-0 [word-break:break-word] [\u0026amp;_\u0026gt;*:first-child]:mt-0 [\u0026amp;_\u0026gt;*:last-child]:mb-0\"\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThis module is intended for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esound detection\u003c\/strong\u003e, not precise audio measurement or recording; do not rely on it for calibrated sound‑pressure level (SPL) readings.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eAvoid exposing the microphone to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eextreme moisture, dust, or very high sound pressure levels\u003c\/strong\u003e, which can degrade performance over time.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/fabacademy.org\/2024\/labs\/fabc\/students\/charlotte-vandenbulcke\/files\/SEN-17-037-Datasheet.pdf\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eWhen used near high‑voltage or noisy equipment, keep wiring short and consider shielding or filtering to reduce false triggers due to electrical noise.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"flex items-center justify-between\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-md\"\u003e\n\u003cdiv class=\"border-subtlest ring-subtlest divide-subtlest\"\u003e\n\u003cdiv class=\"border-subtlest ring-subtlest divide-subtlest bg-base flex items-center justify-between\"\u003e\n\u003cdiv class=\"flex w-full items-center justify-between mb-md\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"sugar","offers":[{"title":"Default Title","offer_id":44922455425159,"sku":null,"price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7763\/5719\/files\/KY_037HighSensitivityMicrophoneSoundSensorModuletop.jpg?v=1781875651","url":"https:\/\/sugarstore.dev\/products\/ky-037-high-sensitivity-microphone-sound-sensor-module","provider":"sugar","version":"1.0","type":"link"}