{"product_id":"3-7v-diy-solar-lamp-board-ir-motion-sensor-night-light-module","title":"3.7V DIY Solar Lamp Board – IR Motion Sensor Night Light Module","description":"\n\u003ch2\u003e3.7V DIY Solar Lamp Board with Infrared Motion Sensor \u0026amp; Night Light Control\u003c\/h2\u003e\n\u003cp\u003eTake your DIY electronics projects to the next level with this compact \u003cstrong\u003e3.7V Solar Lamp Circuit Board Module\u003c\/strong\u003e. Designed for makers, hobbyists, and electronics enthusiasts, this smart module combines solar energy harvesting with passive infrared (PIR) human body detection and automatic night-sensing control — all on a single SMD-packaged board.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're building a solar-powered garden light, a corridor lamp, or an energy-saving automation prototype, this module gives you the core circuitry you need right out of the box.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3.7V Operating Voltage\u003c\/strong\u003e — Compatible with standard single-cell LiPo\/Li-ion batteries commonly used in solar lighting systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInfrared (PIR) Human Body Induction\u003c\/strong\u003e — Automatically activates the light output when motion is detected, saving energy when no one is present.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSolar Circuit Integration\u003c\/strong\u003e — Built-in solar charging and management circuit to harvest energy during daylight hours.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Night Light Mode\u003c\/strong\u003e — Light sensor triggers the module to operate only at night, eliminating unnecessary daytime activation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package\u003c\/strong\u003e — Compact surface-mount design makes integration into custom PCBs and enclosures straightforward.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable \u0026amp; DIY-Ready\u003c\/strong\u003e — Ideal for building your own solar lamp, smart lighting fixture, or automation project from scratch.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Hazardous Chemicals\u003c\/strong\u003e — Free from high-concern chemical substances.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 module per order.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3.7V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Type:\u003c\/strong\u003e Passive Infrared (PIR) Human Body Induction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLight Control:\u003c\/strong\u003e Automatic night-sensing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e SMD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat Can You Build With It?\u003c\/h3\u003e\n\u003cp\u003eThis module is perfect for a wide range of DIY applications:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSolar-powered outdoor garden or pathway lights\u003c\/li\u003e\n  \u003cli\u003eMotion-activated corridor or stairway lamps\u003c\/li\u003e\n  \u003cli\u003eEnergy-efficient shed or garage lighting\u003c\/li\u003e\n  \u003cli\u003ePrototyping smart lighting automation systems\u003c\/li\u003e\n  \u003cli\u003eEducational electronics and maker lab projects\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 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\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: What battery type is compatible with this 3.7V solar lamp module?\u003c\/h4\u003e\n\u003cp\u003eA: This module operates at 3.7V, making it compatible with standard single-cell lithium-ion (Li-ion) or lithium polymer (LiPo) batteries commonly used in solar lighting applications. Ensure your battery can supply adequate current for your LED load.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the infrared sensor work through glass or plastic enclosures?\u003c\/h4\u003e\n\u003cp\u003eA: PIR (passive infrared) sensors typically require an unobstructed or PIR-transparent window to detect human body heat effectively. It is recommended to mount the sensor with a clear line of sight or use a PIR-compatible fresnel lens cover for best performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this module be used for indoor DIY lighting projects as well?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. While the solar circuit is designed for outdoor solar energy harvesting, the motion-sensing and night-light control functions work equally well for indoor applications when paired with an appropriate 3.7V power source such as a rechargeable LiPo battery.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is any soldering or additional assembly required?\u003c\/h4\u003e\n\u003cp\u003eA: This is a DIY module intended for electronics makers and hobbyists. Some basic soldering skills may be required to connect your LED strip or bulb, solar panel, and battery to the appropriate pads on the board. No pre-assembled housing is included.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery type is compatible with this 3.7V solar lamp module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This module operates at 3.7V, making it compatible with standard single-cell lithium-ion (Li-ion) or lithium polymer (LiPo) batteries commonly used in solar lighting applications. Ensure your battery can supply adequate current for your LED load.\"}}, {\"@type\": \"Question\", \"name\": \"Does the infrared sensor work through glass or plastic enclosures?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PIR (passive infrared) sensors typically require an unobstructed or PIR-transparent window to detect human body heat effectively. 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