{"product_id":"photosensitive-firefly-robot-diy-kit-circuit-board-soldering","title":"Photosensitive Firefly Robot DIY Kit – Soldering Circuit Board","description":"\n\u003ch2\u003eLOTHYE Photosensitive Firefly Mobile Robot DIY Kit\u003c\/h2\u003e\n\u003cp\u003eBuild your own light-chasing firefly robot with this fascinating DIY electronics kit from \u003cstrong\u003eLOTHYE\u003c\/strong\u003e! Ideal for electronics enthusiasts, hobbyists, students, and makers who love hands-on circuit building and soldering projects. Watch your firefly come to life — chasing light with its antennae and glowing with a mesmerizing breathing tail light effect.\u003c\/p\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhotosensitive Movement:\u003c\/strong\u003e The firefly's antennae are equipped with photoresistors (R1 and R4). When light falls on either antenna, the corresponding transistor (Q1 or Q2) conducts, activating the small vibration motor in the legs — causing the firefly to move toward the light source. It's a captivating demonstration of basic photosensitive circuit logic!\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBreathing Tail Light:\u003c\/strong\u003e The tail LED breathing lamp is powered by an LM358 operational amplifier IC, which elegantly simulates the natural glow-and-fade effect of a real firefly in the dark. Perfect for showcasing analog circuit design in action.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e LOTHYE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e DC 3V (CR2032 button battery — \u003cem\u003enot included\u003c\/em\u003e)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoard Size:\u003c\/strong\u003e 40 × 43 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor:\u003c\/strong\u003e Photoresistor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis kit is designed for electronics enthusiasts, students learning circuit theory, and DIY makers who have basic soldering experience. A working knowledge of electronic circuits is recommended before assembly. Please read all product details carefully before purchasing. The manufacturer guarantees the components are in excellent condition before dispatch but cannot guarantee assembly outcomes, as successful construction depends on the builder's experience and skill.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Note: Batteries (CR2032) are NOT included with this kit.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also 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\/electric-baby-nail-trimmer-set-led-light-newborn-infant\"\u003eElectric Baby Nail Trimmer Set with LED Light | Safe for Newborns\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: What skill level is required to assemble the Photosensitive Firefly Robot Kit?\u003c\/h4\u003e\n\u003cp\u003eA: This DIY circuit kit is best suited for individuals with prior soldering and electronics experience. Beginners may find it challenging, so a basic understanding of circuit boards, soldering, and electronic components is recommended before attempting assembly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the Photosensitive Firefly Robot Kit come with batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are not included. The kit requires a CR2032 button battery (DC 3V) to operate, which must be purchased separately.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the photosensitive movement feature work on this firefly robot?\u003c\/h4\u003e\n\u003cp\u003eA: The firefly's antennae contain photoresistors that detect nearby light. When light hits the left or right antenna, the corresponding transistor activates a small vibration motor in the legs, causing the robot to move in the direction of the light source — a great real-world demonstration of photosensitive circuit behavior.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the breathing light on the firefly robot kit?\u003c\/h4\u003e\n\u003cp\u003eA: The breathing tail light is driven by an LM358 operational amplifier IC, which creates a smooth, pulsing glow effect that mimics the natural light pattern of a firefly. It operates beautifully in low-light or dark environments.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What skill level is required to assemble the Photosensitive Firefly Robot Kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DIY circuit kit is best suited for individuals with prior soldering and electronics experience. Beginners may find it challenging, so a basic understanding of circuit boards, soldering, and electronic components is recommended before attempting assembly.\"}}, {\"@type\": \"Question\", \"name\": \"Does the Photosensitive Firefly Robot Kit come with batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, batteries are not included. 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