{"product_id":"led-digital-clock-diy-soldering-kit-watch-assembly-project","title":"LED Digital Clock DIY Soldering Kit – Watch Assembly Project","description":"\n\u003ch2\u003eBuild Your Own LED Digital Watch – Fun DIY Soldering Kit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLOTHYE LED Digital Tube Display Watch Kit\u003c\/strong\u003e is a hands-on electronics assembly project perfect for students, hobbyists, and anyone looking to develop real-world soldering and circuit skills. Assemble a fully functional wristwatch from scratch using through-hole components — a rewarding experience that bridges theory and practice.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003ePlease note: This kit is designed for buyers with basic electronics and soldering experience. We recommend reading all instructions carefully before beginning assembly. Successful completion depends on the builder's circuit knowledge and technique. Batteries are not included.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e0.28-inch Red LED Digital Tube Display\u003c\/strong\u003e — crisp, easy-to-read time display\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThrough-hole insert components\u003c\/strong\u003e — ideal for learning PCB soldering fundamentals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 1 × CR2032 button battery (not included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilicone strap\u003c\/strong\u003e — comfortable and durable for everyday wear after assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12\/24-hour display mode\u003c\/strong\u003e — switch between modes by shorting the solder joints on the back of the PCB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-off display\u003c\/strong\u003e — press any button to show the time; display turns off automatically after 10 seconds to save battery\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple time-setting buttons:\u003c\/strong\u003e hold S1 to adjust minutes; hold S2 to adjust hours\u003c\/li\u003e\n  \u003cli\u003eGreat for school electronics projects, STEM training, and DIY enthusiast workshops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.28-inch Red LED digital tube\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3V — 1 × CR2032 button battery (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrap Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilicone\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm (L) × 45mm (W) × 16mm (H)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStrap Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90mm + 120mm, width 20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e260mm (90 + 50 + 120)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrough-hole insert components\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China (Mainland China)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eHow to Set the Time\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003ePress any button to activate the display.\u003c\/li\u003e\n  \u003cli\u003eHold \u003cstrong\u003eS1\u003c\/strong\u003e to adjust the minutes.\u003c\/li\u003e\n  \u003cli\u003eHold \u003cstrong\u003eS2\u003c\/strong\u003e to adjust the hours.\u003c\/li\u003e\n  \u003cli\u003eTo enable 24-hour mode, short the designated solder joints on the back of the PCB.\u003c\/li\u003e\n  \u003cli\u003eThe display will automatically turn off after 10 seconds.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWho Is This Kit For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is ideal for electronics students, STEM educators, makerspaces, and DIY hobbyists who want to practice soldering and learn how a real timekeeping circuit works. It makes a great school project, club activity, or thoughtful gift for a budding engineer.\u003c\/p\u003e\n\n\u003cp\u003eLooking for more hands-on projects and tools? Check out our \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e or the \u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e for more electronics and DIY essentials.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this LED watch kit suitable for beginners with no soldering experience?\u003c\/h4\u003e\n\u003cp\u003eA: This DIY LED digital watch kit is best suited for individuals who already have basic soldering and electronics experience. Complete beginners are welcome to try, but we recommend practicing soldering on scrap components first and reading all included instructions thoroughly before starting assembly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What battery does the LED digital clock watch kit use?\u003c\/h4\u003e\n\u003cp\u003eA: The kit is powered by a single CR2032 3V button cell battery. Please note that the battery is \u003cstrong\u003enot included\u003c\/strong\u003e in the kit — you will need to purchase one separately before use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I switch the watch between 12-hour and 24-hour display modes?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The LED watch kit supports both 12-hour and 24-hour display modes. To enable 24-hour mode, simply short the designated solder joints located on the back of the PCB board during or after assembly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What components are included in this DIY electronic watch kit?\u003c\/h4\u003e\n\u003cp\u003eA: The kit includes all through-hole insert electronic components needed to assemble the watch circuit, a silicone wristband, and the PCB. A CR2032 battery and soldering tools are not included and must be sourced separately.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this LED watch kit suitable for beginners with no soldering experience?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DIY LED digital watch kit is best suited for individuals who already have basic soldering and electronics experience. 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