{"product_id":"estardyn-ne555-ding-dong-doorbell-diy-soldering-kit","title":"Estardyn NE555 Ding-Dong Doorbell DIY Soldering Kit","description":"\u003ch4\u003e\u003cstrong\u003eDual-Tone Electronic Learning \u0026amp; Soldering Practice Project\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eA compact DIY electronics kit that uses an \u003cstrong\u003eNE555 timer circuit\u003c\/strong\u003e to generate classic two-tone “ding-dong” doorbell sounds while providing hands-on soldering practice.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDual-tone ding-dong sound\u003c\/li\u003e\n\t\u003cli\u003eNE555 timer-based circuit\u003c\/li\u003e\n\t\u003cli\u003eComplete electronic component kit\u003c\/li\u003e\n\t\u003cli\u003ePush-button activation\u003c\/li\u003e\n\t\u003cli\u003eIdeal for soldering and circuit-learning practice\u003c\/li\u003e\n\t\u003cli\u003eCompact PCB design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Estardyn\u003cbr\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e DIY Doorbell Electronics Kit\u003cbr\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e 4–7V DC\u003cbr\u003e\n\u003cstrong\u003eMain IC:\u003c\/strong\u003e NE555\u003cbr\u003e\n\u003cstrong\u003eSpeaker:\u003c\/strong\u003e 8Ω \/ 0.25W\u003cbr\u003e\n\u003cstrong\u003ePCB Size:\u003c\/strong\u003e 28 × 25 mm\u003cbr\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -45°C to 85°C\u003cbr\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 15g\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e NE555 IC \/ Speaker \/ PCB Components \/ Capacitors \/ Resistors \/ Diodes \/ Push Button \/ Connection Wires\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis is a DIY soldering kit and requires assembly before use.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"ElectroniqHub","offers":[{"title":"Default Title","offer_id":52886198419743,"sku":"\u003cnone\u003e","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/0244\/6367\/files\/S657c79f22704460e977c9c2ba0c6267bk.webp?v=1789482642","url":"https:\/\/electroniqhub.com\/products\/estardyn-ne555-ding-dong-doorbell-diy-soldering-kit","provider":"ElectroniqHub","version":"1.0","type":"link"}