{"product_id":"diy-rotating-led-digital-clock-kit-ds1302-temperature-display-assembly","title":"DIY LED Digital Clock Kit DS1302 – Rotating Display \u0026 Temp","description":"\n\u003ch2\u003eBuild Your Own Rotating LED Digital Clock – A Fun DIY Electronics Project\u003c\/h2\u003e\n\u003cp\u003eThe LOTHYE DIY Rotating LED Electronic Digital Clock Kit is the perfect hands-on project for electronics enthusiasts, students, makers, and hobbyists. Powered by the DS1302 real-time clock chip and a 51 SCM microcontroller (pre-programmed and ready to use), this kit lets you solder and assemble a fully functional digital clock with rotating LED animations, temperature display, alarm settings, and automatic light-controlled brightness — all from scratch.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Please Note:\u003c\/strong\u003e This product is designed for individuals with circuit assembly experience. Components are in good condition upon delivery, but successful assembly requires familiarity with soldering and basic electronics. Batteries are NOT included. Shell screws are nylon — please refer to product images. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e60 Rotating LEDs\u003c\/strong\u003e simulate a sweeping second hand with multiple dynamic animation modes to choose from\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6 Time Animations + 4 Offline Animations\u003c\/strong\u003e — visually engaging display modes for any environment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature \u0026amp; Time Alternating Display\u003c\/strong\u003e — monitor both at a glance without checking your phone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable Alarm\u003c\/strong\u003e — set, enable, or disable an alarm with just 2 onboard buttons\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower-Off Memory\u003c\/strong\u003e — retains time settings even after power is disconnected\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Light Control (LDR)\u003c\/strong\u003e — brightness of the LED display and digital tube adjusts automatically to ambient light; also works as a subtle night light\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Burned Microcontroller\u003c\/strong\u003e — no programming required; plug in and build\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Through-Hole (Plug-In) Components\u003c\/strong\u003e — beginner-friendly soldering with a ~99.9% assembly success rate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Power Input:\u003c\/strong\u003e 5V USB — compatible with phone chargers, power banks, and USB ports\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Board Size:\u003c\/strong\u003e 81mm × 81mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e 5V DC (USB powered)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClock IC:\u003c\/strong\u003e DS1302 Real-Time Clock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicrocontroller:\u003c\/strong\u003e 51 SCM (pre-programmed)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e Digital tube + 60 rotating LEDs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eButtons:\u003c\/strong\u003e S1 (Mode\/Addition) + S2 (Setting)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBatteries:\u003c\/strong\u003e Not included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eButton Control Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eS2 (Mode Key):\u003c\/strong\u003e Cycles through LED rotation styles when in clock display mode; enters settings mode when held\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eS1 (Addition Key):\u003c\/strong\u003e Increments values for time, alarm, light control, and rotation mode settings\u003c\/li\u003e\n  \u003cli\u003eStep through minutes → hours → alarm minutes → alarm hours → alarm on\/off → light control on\/off — all with just two buttons!\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics students and STEM learners\u003c\/li\u003e\n  \u003cli\u003eMakers and DIY hobbyists\u003c\/li\u003e\n  \u003cli\u003eDesktop art display for home or office\u003c\/li\u003e\n  \u003cli\u003eUnique handmade gift for tech enthusiasts\u003c\/li\u003e\n  \u003cli\u003eSchool electronics projects and soldering practice\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\/16-inch-vintage-silent-wall-clock-gold-shabby-chic-home-decor\"\u003e16-Inch Vintage Silent Wall Clock – Gold Shabby Chic Decor\u003c\/a\u003e\u003c\/li\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\/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 to program the microcontroller myself for this DIY clock kit?\u003c\/h4\u003e\n\u003cp\u003eA: No programming is required. The 51 SCM microcontroller comes with the firmware pre-burned and installed. Simply solder the through-hole components together following the included guide, connect a 5V USB power source, and your rotating LED digital clock will be ready to use straight away.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power source does this LED digital clock kit use?\u003c\/h4\u003e\n\u003cp\u003eA: This kit runs on 5V DC power, making it compatible with standard USB phone chargers, power banks, and computer USB ports. Batteries are not included and are not required for normal operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this clock kit suitable for beginners?\u003c\/h4\u003e\n\u003cp\u003eA: This kit uses full through-hole (plug-in) components, which are the most beginner-friendly type for soldering. However, basic soldering experience and familiarity with circuit assembly are recommended for best results. It is ideal for electronics students, hobbyists, and makers looking to build their skills with a rewarding, functional project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can the LED brightness be adjusted automatically?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The kit features a built-in light-dependent resistor (LDR) for automatic ambient light sensing. The brightness of both the digital tube display and the LED ring will automatically adjust based on the surrounding light level. This feature can also be toggled on or off using the onboard buttons, and the display can serve as a soft night light in dark environments.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do I need to program the microcontroller myself for this DIY clock kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No programming is required. 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