{"product_id":"diy-led-hourglass-electronic-soldering-kit-5v-microcontroller","title":"DIY LED Hourglass Soldering Kit – 5V Microcontroller, 57 LEDs","description":"\n\u003ch2\u003eDIY LED Hourglass Electronic Soldering Kit – 57 Blue LEDs, 5V Microcontroller\u003c\/h2\u003e\n\u003cp\u003eBuild your own mesmerizing LED hourglass with this hands-on DIY electronics kit! Designed for students, hobbyists, and electronics enthusiasts, this soldering practice kit lets you assemble a fully functional electronic hourglass that mimics the graceful flow of sand — using 57 bright blue LEDs controlled by a microcontroller. It's the perfect project to sharpen your soldering skills, deepen your understanding of circuit design, and end up with a cool decorative piece when you're done.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e This kit is intended for individuals with basic circuit assembly experience. Detailed assembly instructions, circuit diagrams, and working principle documentation are included. Assembly success depends on the builder's skill level — please review the product description carefully before purchasing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eThe electronic hourglass uses LEDs to simulate sand particles. The illuminated LEDs on the upper half \"fall\" one by one to the lower half, just like real sand in an hourglass. Once all LEDs have shifted to the bottom, simply press the restart switch and the cycle begins again. A built-in micro switch lets you adjust the speed of the hourglass — slow and meditative or quick and exciting, the choice is yours!\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🔵 \u003cstrong\u003e57 Blue LEDs\u003c\/strong\u003e – Simulates sand particle movement in a classic hourglass display\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003e5V DC Power Supply\u003c\/strong\u003e – Safe, low-voltage operation; USB-friendly\u003c\/li\u003e\n  \u003cli\u003e🎛️ \u003cstrong\u003eAdjustable Speed\u003c\/strong\u003e – Micro switch on board lets you control the hourglass flow rate\u003c\/li\u003e\n  \u003cli\u003e🌙 \u003cstrong\u003eDecorative Night Light Mode\u003c\/strong\u003e – 28 LEDs stay lit simultaneously for ambient lighting\u003c\/li\u003e\n  \u003cli\u003e🔋 \u003cstrong\u003eUltra-Low Power\u003c\/strong\u003e – Consumes only tens of milliamps; less than 0.5W (eco-friendly \u0026amp; energy-saving)\u003c\/li\u003e\n  \u003cli\u003e🛠️ \u003cstrong\u003eHigh-Quality PCB\u003c\/strong\u003e – 1.6mm double-sided PCB board for durability and clean assembly\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eCompact Board Size\u003c\/strong\u003e – 40 × 80mm — fits neatly on a desk or shelf\u003c\/li\u003e\n  \u003cli\u003e📦 \u003cstrong\u003eComplete Kit\u003c\/strong\u003e – Includes all loose components, assembly guide, circuit diagrams, and working principle documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 × 80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLED Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e57 × 3mm Blue LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6mm Double-Sided\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMicrocontroller (MCU)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew (unassembled kit)\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\u003c\/table\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics students and STEM learners\u003c\/li\u003e\n  \u003cli\u003eSoldering practice and PCB assembly training\u003c\/li\u003e\n  \u003cli\u003eHobbyists looking for a fun weekend project\u003c\/li\u003e\n  \u003cli\u003eTeachers seeking engaging classroom demonstration tools\u003c\/li\u003e\n  \u003cli\u003eMakers who want a unique decorative LED display\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You Might Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\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\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/18-pc-basswood-carving-blocks-whittling-wood-kit\"\u003e18 Pc Basswood Carving Blocks – Whittling Wood Kit for Carvers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\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 DIY LED hourglass kit?\u003c\/h4\u003e\n\u003cp\u003eA: Some basic soldering and circuit assembly experience is recommended. The kit includes detailed assembly instructions, circuit diagrams, and working principle documentation to guide you through the build. Complete beginners may find it challenging, so we suggest practicing basic soldering on a simpler kit first.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power source does the 5V LED hourglass kit require?\u003c\/h4\u003e\n\u003cp\u003eA: The kit operates on a 5V DC power supply. This is compatible with standard USB power adapters, making it easy and convenient to power once assembled.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can the speed of the LED hourglass be adjusted?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! There is a built-in micro switch on the PCB board that allows you to adjust the flow speed of the LED \"sand particles,\" so you can customize the hourglass cycle to your preference.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this kit be used as a decorative light when not running the hourglass animation?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. When 28 LEDs are simultaneously illuminated, the assembled kit doubles as a soft ambient night light — making it both a functional project and a decorative display piece.\u003c\/p\u003e\n\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 DIY LED hourglass kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Some basic soldering and circuit assembly experience is recommended. The kit includes detailed assembly instructions, circuit diagrams, and working principle documentation to guide you through the build. 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