{"product_id":"diy-electronic-windmill-kit-dc-5v-adjustable-speed-mcu-soldering","title":"DIY Electronic Windmill Kit DC 5V Adjustable Speed MCU Soldering","description":"\u003ch2\u003eDIY Electronic Windmill Kit – DC 5V Adjustable Speed MCU Practice Board\u003c\/h2\u003e\n\u003cp\u003eBuild your own electronic windmill with this fun and educational DIY kit! Powered by DC 5V, this hands-on soldering practice kit features an adjustable speed control driven by a microcontroller unit (MCU). Whether you're a beginner learning to solder or an electronics enthusiast looking for a rewarding weekend project, this compact kit delivers a satisfying build experience and a fully functional result.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Speed Control:\u003c\/strong\u003e Fine-tune the windmill's spinning speed using the onboard MCU-based voltage regulation circuit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC 5V Operation:\u003c\/strong\u003e Compatible with standard USB power sources (4.5–5V supply voltage) for safe and easy powering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Board size of 50×40mm (approx. 3.9×4.4cm) — lightweight at just 9.62g and perfect for desk display.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Soldering Practice:\u003c\/strong\u003e Ideal for students, hobbyists, and electronics learners to sharpen their soldering and circuit assembly skills.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Rated for –40°C to +85°C, ensuring reliable performance across a broad range of environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Comes as a DIY kit that you assemble yourself — a great way to understand circuit design firsthand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5–5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBoard Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 × 40mm (3.9 × 4.4cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.62g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e–40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIY Kit\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\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY Electronic Windmill Kit components (1pc or 5pc bundle — select your option)\u003c\/li\u003e\n  \u003cli\u003eAll parts required for assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eElectronics students and beginners practicing PCB soldering\u003c\/li\u003e\n  \u003cli\u003eSTEM education projects and classroom activities\u003c\/li\u003e\n  \u003cli\u003eHobbyists who enjoy hands-on circuit building\u003c\/li\u003e\n  \u003cli\u003eA unique desk ornament once assembled\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLove working with beads and handmade crafts too? Check out our \u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire for DIY Jewelry Making\u003c\/a\u003e or explore our \u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003eCCB Flat Round Spacer Beads for DIY Jewelry Making\u003c\/a\u003e for more creative project supplies.\u003c\/p\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: What skills do I need to assemble this DIY Electronic Windmill Kit?\u003c\/h4\u003e\n\u003cp\u003eA: Basic soldering skills are helpful but not required — this DIY electronic windmill kit is designed as a beginner-friendly practice project. It's a great way to learn soldering, circuit assembly, and MCU-based speed control in a fun, low-stakes format.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power source do I need to run the electronic windmill?\u003c\/h4\u003e\n\u003cp\u003eA: The kit operates on DC 4.5–5V, making it compatible with a standard USB power adapter or a 5V regulated power supply. Once assembled, simply connect your power source and adjust the speed using the onboard control circuit.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I buy multiple kits for a classroom or group project?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely! This DIY electronic windmill kit is available in a 1-piece or 5-piece bundle, making it a cost-effective option for group soldering workshops, STEM classes, or gifting to fellow electronics enthusiasts.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What skills do I need to assemble this DIY Electronic Windmill Kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Basic soldering skills are helpful but not required — this DIY electronic windmill kit is designed as a beginner-friendly practice project. 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