{"product_id":"ne555-ding-dong-doorbell-diy-kit-pcb-soldering-practice-5-12v","title":"NE555 Ding-Dong Doorbell DIY Kit — Electronic PCB Soldering Practice, 5–12V","description":"\u003ch2\u003eNE555 Ding-Dong Doorbell DIY Kit — Electronic PCB Soldering Practice\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003eNE555 doorbell DIY kit\u003c\/strong\u003e is a classic electronics learning project built around the iconic \u003cstrong\u003eNE555 timer IC\u003c\/strong\u003e. When the button is pressed, the circuit generates a two-tone \"ding-dong\" sound through the included speaker, demonstrating astable and monostable NE555 oscillator operation. All components and a pre-drilled PCB are included — just solder and enjoy.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore IC\u003c\/td\u003e\n\u003ctd\u003eNE555 Timer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V – 12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Output\u003c\/td\u003e\n\u003ctd\u003eDing-dong two-tone (via small speaker)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrigger\u003c\/td\u003e\n\u003ctd\u003ePush button (momentary)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB\u003c\/td\u003e\n\u003ctd\u003ePre-drilled, component-labeled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly\u003c\/td\u003e\n\u003ctd\u003eDIY soldering required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat You Learn Building This Kit\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNE555 timer operation\u003c\/strong\u003e — astable and monostable modes in a real circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRC timing circuits\u003c\/strong\u003e — how resistors and capacitors set frequency and duration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrough-hole soldering\u003c\/strong\u003e — resistors, capacitors, IC socket, transistor, speaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuit debugging\u003c\/strong\u003e — identify and fix common soldering issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose This NE555 Kit?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eAll components included\u003c\/strong\u003e — PCB, NE555, resistors, capacitors, transistor, speaker, button\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eLabeled PCB silkscreen\u003c\/strong\u003e — component placement clearly marked, beginner-friendly\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e5–12V supply range\u003c\/strong\u003e — powered by USB 5V, 9V battery, or 12V adapter\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eClassic NE555 circuit\u003c\/strong\u003e — foundational electronics knowledge applicable to many projects\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSatisfying result\u003c\/strong\u003e — working doorbell sound on first power-up\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eElectronics soldering practice for beginners\u003c\/li\u003e\n\u003cli\u003eNE555 timer circuit learning and experimentation\u003c\/li\u003e\n\u003cli\u003eSchool and maker club electronics project\u003c\/li\u003e\n\u003cli\u003eDIY doorbell for workshop or shed\u003c\/li\u003e\n\u003cli\u003eGift for electronics hobbyists and students\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × NE555 Doorbell DIY Kit (PCB + all components)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991433597163,"sku":"\u003cnone\u003e","price":8.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ne555-doorbell-diy-kit-pcb-ding-dong.webp?v=1761881943","url":"https:\/\/keszoox.com\/products\/ne555-ding-dong-doorbell-diy-kit-pcb-soldering-practice-5-12v","provider":"Keszoox","version":"1.0","type":"link"}