{"product_id":"smd-diy-electronics-kit-ne555-cd4017-flowing-led-light-module","title":"SMD DIY Kit NE555 CD4017 Flowing LED Light — Soldering Training","description":"\u003ch2\u003eSMD Soldering Training Kit — NE555 + CD4017 Flowing LED Light\u003c\/h2\u003e\n\u003cp\u003eTake your electronics knowledge to the next level with this hands-on \u003cstrong\u003eSMD Welding Training Kit\u003c\/strong\u003e. Built around the classic \u003cstrong\u003eNE555 timer IC\u003c\/strong\u003e and \u003cstrong\u003eCD4017 decade counter IC\u003c\/strong\u003e, this DIY kit creates a mesmerizing \u003cstrong\u003eflowing water light LED display\u003c\/strong\u003e while teaching you real-world surface-mount soldering skills and fundamental electronic circuit principles.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're a student, hobbyist, or budding engineer, this kit gives you practical, confidence-building experience with SMD components in a fun, visual project you can actually show off when complete.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual IC Design:\u003c\/strong\u003e Uses the NE555 timer and CD4017 decade counter to generate a cascading, flowing LED light effect\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Soldering Practice:\u003c\/strong\u003e Ideal for beginners learning surface-mount device (SMD) soldering techniques in a structured, low-risk environment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLearn Electronic Principles:\u003c\/strong\u003e Understand timing circuits, clock signals, and sequential logic through a visible, working outcome\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Module Output:\u003c\/strong\u003e Produces a vivid, flowing \"water light\" LED sequence — visually engaging and satisfying to complete\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Small PCB form factor makes it easy to display, store, or integrate into larger projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New Components:\u003c\/strong\u003e All parts are new; no high-concern chemicals used in construction\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat You Will Learn\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHow a 555 timer circuit generates clock pulses\u003c\/li\u003e\n  \u003cli\u003eHow the CD4017 decade counter sequences outputs in order\u003c\/li\u003e\n  \u003cli\u003eProper SMD soldering technique and component identification\u003c\/li\u003e\n  \u003cli\u003eReading and following a PCB schematic layout\u003c\/li\u003e\n  \u003cli\u003eBasic troubleshooting of LED driver circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIC Chips\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNE555, CD4017\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD (Surface Mount Device)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlowing \/ Chasing LED Light Effect\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is perfect for \u003cstrong\u003eelectronics students, STEM learners, hobbyists, and makers\u003c\/strong\u003e who want a practical, rewarding introduction to SMD soldering and circuit design. It also makes a great gift for anyone curious about how electronics work.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Do I need prior soldering experience to assemble this SMD DIY electronics kit?\u003c\/h4\u003e\n\u003cp\u003eA: Some basic soldering experience is helpful, but this kit is specifically designed as a \u003cstrong\u003etraining and learning tool\u003c\/strong\u003e. Beginners can use it to practice SMD soldering skills in a guided, low-stakes setting. Take your time, use a fine-tip soldering iron, and follow the PCB silkscreen markings for best results.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply does the NE555 CD4017 flowing LED kit require?\u003c\/h4\u003e\n\u003cp\u003eA: The kit is designed to operate on a standard low-voltage DC power supply typical for NE555-based circuits (commonly 5V–12V DC). Please refer to the included schematic or PCB markings for the exact recommended voltage for your specific kit version.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the LED light effect produced by this kit?\u003c\/h4\u003e\n\u003cp\u003eA: Once assembled, the kit produces a \u003cstrong\u003esequential \"flowing water\" LED light effect\u003c\/strong\u003e — LEDs illuminate one after another in a chasing loop, driven by the NE555 timer generating clock pulses and the CD4017 decade counter stepping through each LED in sequence.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this kit suitable for classroom or STEM education use?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This \u003cstrong\u003eSMD welding training kit\u003c\/strong\u003e is an excellent classroom or workshop tool for teaching electronics fundamentals, soldering technique, and circuit theory in an engaging, hands-on format.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do I need prior soldering experience to assemble this SMD DIY electronics kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Some basic soldering experience is helpful, but this kit is specifically designed as a training and learning tool. Beginners can use it to practice SMD soldering skills in a guided, low-stakes setting. 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