{"product_id":"keyestudio-passive-buzzer-alarm-module-for-arduino","title":"Keyestudio Passive Buzzer Alarm Module for Arduino","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eWe can use Arduino to make many interactive works of which the most commonly used is acoustic-optic display. The circuit in this experiment can produce sound. Normally, the experiment is done with a buzzer or a speaker while buzzer is simpler and easier to use. The buzzer we introduced here is a passive buzzer. It cannot be actuated by itself, but by external pulse frequencies. Different frequencies produce different sounds. We can use Arduino to code the melody of a song, which is quite fun and simple.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSKU: KS0019\u003c\/li\u003e\n\u003cli\u003eWorking voltage: 3.3-5v\u003c\/li\u003e\n\u003cli\u003eInterface type: digital\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTutorials\u003c\/h2\u003e\n\u003cp\u003eWiring and sample code are in the Keyestudio Wiki.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/docs.keyestudio.com\/projects\/KS0019\/en\/latest\/\"\u003eKS0019 documentation\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keyestudio","offers":[{"title":"Default Title","offer_id":63209944711249,"sku":"KS0019","price":3.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1087\/1819\/4769\/files\/0c5f74d227.jpg.500x500.jpg?v=1793070440","url":"https:\/\/geekingmall.com\/products\/keyestudio-passive-buzzer-alarm-module-for-arduino","provider":"GeekingMall","version":"1.0","type":"link"}