{"product_id":"64-led-smd-dot-matrix-soldering-practice-kit-diy-electronic","title":"64 LED SMD Dot Matrix Soldering Kit – DIY Electronics Project","description":"\n\u003ch2\u003e64 LED SMD Dot Matrix Advertising Screen – DIY Soldering Practice Kit\u003c\/h2\u003e\n\u003cp\u003eLevel up your electronics skills with this hands-on \u003cstrong\u003e64 LED SMD Dot Matrix Soldering Practice Kit\u003c\/strong\u003e by LOTHYE. Designed for electronics enthusiasts, students, and hobbyists, this fun DIY kit lets you assemble a fully functional 8×8 dot matrix display that scrolls and flashes numbers 0–9 in a countdown sequence — all powered by a pre-programmed microcontroller.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eHow the Display Works\u003c\/h3\u003e\n\u003cp\u003eThe kit uses a \u003cstrong\u003erow-and-column scanning method\u003c\/strong\u003e to drive 64 individual 0805 SMD LEDs, capable of displaying any 64-pixel character or number. Once powered on, the default boot sequence runs as follows:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVertical line-by-line lighting\u003c\/li\u003e\n  \u003cli\u003eFull-screen flash (×2)\u003c\/li\u003e\n  \u003cli\u003eHorizontal line-by-line lighting\u003c\/li\u003e\n  \u003cli\u003eCountdown display: 9 → 0, then repeat\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWant a custom display? Simply connect your own control signal via the \u003cstrong\u003eJP1 interface\u003c\/strong\u003e (without soldering the included microcontroller) to show any content you like.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Inside the Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e64 × 0805 SMD LEDs\u003c\/li\u003e\n  \u003cli\u003e8 × Row drive transistors\u003c\/li\u003e\n  \u003cli\u003e8 × Current limiting resistors\u003c\/li\u003e\n  \u003cli\u003e2 × Serial expansion chips\u003c\/li\u003e\n  \u003cli\u003e1 × Pre-programmed microcontroller chip\u003c\/li\u003e\n  \u003cli\u003e1 × SMD electrolytic capacitor\u003c\/li\u003e\n  \u003cli\u003e4 × SMD high-frequency capacitors\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eTotal: 88 components | 202 solder joints\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This Kit For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is ideal for electronics enthusiasts who want to practice SMD soldering, study circuit design, or build an eye-catching display project. \u003cstrong\u003ePlease note:\u003c\/strong\u003e Basic circuit assembly experience is required. Read all instructions carefully before beginning. While all components are guaranteed to be in perfect condition at the time of dispatch, successful assembly depends on the builder's soldering skills and experience.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ Pre-programmed MCU — no coding required out of the box\u003c\/li\u003e\n  \u003cli\u003e✅ Expandable via JP1 interface for custom content\u003c\/li\u003e\n  \u003cli\u003e✅ 88 components across 202 solder joints — great soldering practice\u003c\/li\u003e\n  \u003cli\u003e✅ Compact dot matrix module design\u003c\/li\u003e\n  \u003cli\u003e✅ Fun and educational for hobbyists and students alike\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 0–25 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\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Do I need to program the microcontroller for the dot matrix kit to work?\u003c\/h4\u003e\n\u003cp\u003eA: No programming is needed to use the default display mode. The included microcontroller comes pre-programmed with a countdown sequence (9–0) and scrolling lighting effects. If you want to display custom content, simply connect your control signal to the JP1 interface instead of soldering in the pre-programmed chip.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What skill level is required to assemble this SMD soldering practice kit?\u003c\/h4\u003e\n\u003cp\u003eA: This kit is designed for electronics enthusiasts with some prior circuit assembly and SMD soldering experience. Beginners are welcome to try, but should read the full instructions carefully and ideally have some familiarity with a soldering iron before starting. Successful assembly is not guaranteed for those without any prior soldering experience.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this dot matrix display kit for my own custom projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The kit includes a JP1 control interface that allows you to bypass the pre-programmed microcontroller and feed your own control signals to display any custom character or pattern you wish, making it highly versatile for DIY electronics projects.\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 for the dot matrix kit to work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No programming is needed to use the default display mode. The included microcontroller comes pre-programmed with a countdown sequence (9–0) and scrolling lighting effects. 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