{"product_id":"passive-buzzer-module","title":"Passive Buzzer Module","description":"\u003cp\u003eProduct Description:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe passive buzzer has no built-in oscillator or power source, so it cannot beep with a DC signal directly. It must be driven by a 2K–5K square wave signal.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe sound frequency is controllable, allowing effects such as “Do-Re-Mi-Fa-So-La-Ti.”\u003c\/p\u003e\n\u003cp\u003eIn some special cases, it can share one control port with an LED.\u003c\/p\u003e\n\u003cp\u003eThe module uses an S8550 transistor driver\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eOperating voltage: 3.3V–5V\u003c\/p\u003e\n\u003cp\u003eFixed mounting screw holes for easy installation\u003c\/p\u003e\n\u003cp\u003ePCB size: 32.2 mm × 13 mm\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eInterface Description:\u003c\/p\u003e\n\u003cp\u003e3-wire interface\u003c\/p\u003e\n\u003cp\u003eVCC → Connect to 3.3V–5V power supply\u003c\/p\u003e\n\u003cp\u003e(Can connect directly to both 5V and 3.3V microcontrollers)\u003c\/p\u003e\n\u003cp\u003eGND → Connect to GND\u003c\/p\u003e\n\u003cp\u003eI\/O → Connect to the microcontroller I\/O pin\u003c\/p\u003e","brand":"Microscale","offers":[{"title":"Default Title","offer_id":54223814033683,"sku":null,"price":650.0,"currency_code":"NGN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/3191\/3491\/files\/tb_image_share_1780090721801.png?v=1780090984","url":"https:\/\/www.microscale.net\/products\/passive-buzzer-module","provider":"Microscale","version":"1.0","type":"link"}