{"product_id":"ky-012-active-buzzer-module","title":"KY-012 Active Buzzer Module","description":"\u003cp\u003e\u003cstrong\u003eKY-012 Active Buzzer Module\u003c\/strong\u003e is a compact audio signaling solution designed for straightforward integration into electronic projects. It provides reliable, clear tones with low power consumption and simple digital control, making it suitable for both hobbyist and professional applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating voltage:\u003c\/strong\u003e 3.0–5.0V for broad microcontroller compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound frequency:\u003c\/strong\u003e approximately 2,300 Hz for a clear alert tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 20 mm × 16 mm for easy installation in confined spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent consumption:\u003c\/strong\u003e around 30 mA to conserve battery life in portable builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e simple digital signal activation using a single GPIO pin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module incorporates a built-in oscillation circuit so it generates sound independently when powered, removing the need for external oscillators or additional tone-generation circuitry. This reduces component count and simplifies circuit layouts, compared with passive buzzer options that require external driving signals.\u003c\/p\u003e\n\u003cp\u003eDesigned for efficient continuous operation, the KY-012 delivers steady and uniform sound output with minimal interference and optimized power usage. Its small footprint and straightforward interface make it easy to add audible alerts to alarms, timers, user interfaces, and various embedded systems without complicating your design.\u003c\/p\u003e","brand":"Electronic Service Center","offers":[{"title":"Default Title","offer_id":42557119168695,"sku":"20","price":4.0,"currency_code":"LYD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0639\/4010\/0279\/files\/IMG-6607.png?v=1784926703","url":"https:\/\/esclibya.com\/products\/ky-012-active-buzzer-module","provider":"Electronic Service Center","version":"1.0","type":"link"}