{"product_id":"diy-led-dot-matrix-electronic-hourglass-gravity-timer-kit","title":"DIY LED Dot Matrix Electronic Hourglass Gravity Timer Kit","description":"\n\u003ch2\u003eBuild Your Own Gravity-Sensing LED Hourglass Timer\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLOTHYE DIY Electronic Hourglass Kit\u003c\/strong\u003e is a hands-on soldering project that assembles into a fully functional, gravity-sensing countdown timer. Using an LED dot matrix display, simulated \"sand grains\" flow realistically downward in response to gravity — flip the board and the particles cascade in the opposite direction, just like a real hourglass. Perfect for electronics students, hobbyists, and anyone looking to sharpen their soldering skills. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRealistic Sand Simulation:\u003c\/strong\u003e Animated LED particles mimic the flow of real sand under gravitational pull — invert the board and they instantly reverse direction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGravity Sensing Technology:\u003c\/strong\u003e Built-in accelerometer detects orientation changes and updates the display in real time for a truly immersive visual effect.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomisable Countdown Timer:\u003c\/strong\u003e Set any duration from 1 to 99 minutes using the onboard buttons; the hourglass automatically adjusts LED flow speed to match your chosen time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Power Options:\u003c\/strong\u003e Powered via Micro USB (DC 5V) or an external battery pack — great for desktop use or portable projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable Display Colours:\u003c\/strong\u003e Choose between Red, Blue, or Green LEDs to suit your workspace or project aesthetic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Soldering Kit:\u003c\/strong\u003e Shipped as individual components with a PCB — requires self-assembly by soldering, making it an ideal training exercise for school electronics classes, maker spaces, and science fairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMicro USB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePCB Board Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 × 5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Colours\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed, Blue, Green (selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountdown Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e01 – 99 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\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 Mainland 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\u003eHigh school and university electronics students learning PCB soldering\u003c\/li\u003e\n  \u003cli\u003eMaker enthusiasts who enjoy DIY circuit assembly projects\u003c\/li\u003e\n  \u003cli\u003eScience teachers looking for engaging classroom demonstration tools\u003c\/li\u003e\n  \u003cli\u003eHobbyists who want a unique, functional desktop display piece\u003c\/li\u003e\n  \u003cli\u003eSTEM outreach events, science fairs, and coding\/electronics clubs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May 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 soldering experience to assemble this DIY LED hourglass kit?\u003c\/h4\u003e\n\u003cp\u003eA: Basic soldering skills are recommended. The kit is designed as a training tool, so it is well-suited for beginners who are learning to solder, provided they have access to a soldering iron and follow the included assembly instructions carefully. It is a great first or early-stage soldering project for school students and hobbyists.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the LED dot matrix hourglass kit include a power adapter or batteries?\u003c\/h4\u003e\n\u003cp\u003eA: The kit supports Micro USB (DC 5V) power, which can be supplied via a standard USB phone charger or a USB power bank. A power adapter and batteries are not included — you will need to supply your own Micro USB cable and 5V power source or compatible external battery pack.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I change the LED display colour after the kit is assembled?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The kit offers a choice of Red, Blue, or Green LED dot matrix display. The colour is selected at the time of assembly based on the LED components included or chosen during ordering — check the product variant options to select your preferred colour before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: How accurate is the countdown timer on this electronic hourglass?\u003c\/h4\u003e\n\u003cp\u003eA: The onboard microcontroller provides precise digital timing from 1 to 99 minutes. The LED \"sand\" flow rate is automatically calibrated to match your set duration, giving both an accurate countdown and a visually satisfying animated display throughout the entire timing cycle.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do I need soldering experience to assemble this DIY LED hourglass kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Basic soldering skills are recommended. 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