{"product_id":"diy-led-digital-clock-kit-51-mcu-alarm-date-temperature-display","title":"DIY LED Digital Clock Kit – 51 MCU Alarm, Date \u0026 Temp Display","description":"\n\u003ch2\u003eLOTHYE DIY LED Digital Clock Kit – Build Your Own Smart Clock\u003c\/h2\u003e\n\u003cp\u003ePut your electronics skills to the test with this feature-packed \u003cstrong\u003eDIY LED Digital Clock Production Kit\u003c\/strong\u003e from LOTHYE. Powered by an STC15W404AS 51 Microcontroller and a DS1302 real-time clock chip, this beginner-friendly through-hole soldering kit lets you assemble a fully functional desktop clock that displays time, date, day of the week, and temperature — all in a compact enclosure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Please Note:\u003c\/strong\u003e This kit is designed for electronics enthusiasts with basic circuit assembly experience. The kit is verified in good condition before shipping, but successful assembly depends on the builder's soldering and circuit knowledge. Please read all instructions carefully before purchasing. \u003cstrong\u003eBatteries are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-function Display:\u003c\/strong\u003e Shows time, date, day of the week, and temperature in rotation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Clock Function:\u003c\/strong\u003e Set alarms with hourly chime support\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Brightness:\u003c\/strong\u003e LED display auto-adjusts to ambient lighting conditions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Failure Memory:\u003c\/strong\u003e Retains settings when power is interrupted\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Correction:\u003c\/strong\u003e Manually calibrate temperature readings for accuracy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Assembly:\u003c\/strong\u003e All inline (through-hole) components — ideal for beginners and students\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Size:\u003c\/strong\u003e 11.5 cm (L) × 3.2 cm (W) × 4 cm (H) with enclosure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Shell enclosure and power supply cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrocontroller\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSTC15W404AS DIP28\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClock Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDS1302 DIP8\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLED Tube\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-bit 1-inch common-anode 7-segment display × 4\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Colors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed, Emerald Green, Blue, White\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (with shell)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 cm × 3.2 cm × 4 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrough-hole (inline components)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\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\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAll PCB components (resistors, capacitors, ICs, LED tubes, etc.)\u003c\/li\u003e\n  \u003cli\u003ePlastic enclosure \/ shell\u003c\/li\u003e\n  \u003cli\u003ePower supply cable\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eBatteries NOT included\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is perfect for electronics students, hobbyists, and makers who want hands-on experience with microcontroller-based circuit design. It's a great introduction to 51-series MCU programming concepts and real-time clock (RTC) modules. Also makes a thoughtful educational gift for anyone interested in DIY electronics.\u003c\/p\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\u003c\/ul\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: Do I need soldering experience to assemble this DIY LED digital clock kit?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, basic soldering and circuit assembly experience is recommended. All components are through-hole (inline) type, making this one of the simpler DIY electronic kits to build. However, the seller cannot guarantee 100% successful assembly — please read the instructions thoroughly before starting.\u003c\/p\u003e\n\u003ch4\u003eQ: What power source does this LED digital clock kit use?\u003c\/h4\u003e\n\u003cp\u003eA: The kit comes with a power supply cable. Batteries are NOT included and are not required for main operation via the cable. Check the included instructions for compatible battery specs if you wish to use the power-failure memory backup function.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I choose the color of the LED display tubes?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This kit is available in four LED display colors: Red, Emerald Green, Blue, and White. Select your preferred color at the time of purchase.\u003c\/p\u003e\n\u003ch4\u003eQ: What functions does this DIY clock kit support?\u003c\/h4\u003e\n\u003cp\u003eA: The assembled clock displays the current time, date, day of the week, and temperature. It also features an alarm clock function, hourly chime, automatic display brightness adjustment, power-failure memory retention, and manual temperature correction.\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 digital clock kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, basic soldering and circuit assembly experience is recommended. All components are through-hole (inline) type, making this one of the simpler DIY electronic kits to build. 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