{"product_id":"dc-5v-12v-photoresistor-relay-module-10a-light-control-switch","title":"DC 5V\/12V Photoresistor Relay Module – 10A Light Control Switch","description":"\n\u003ch2\u003eDC 5V\/12V Photoresistor Relay Module – Automatic Light Control Switch\u003c\/h2\u003e\n\u003cp\u003eTake the guesswork out of light management with this compact \u003cstrong\u003ePhotoresistor Relay Module\u003c\/strong\u003e. Designed for makers, electronics hobbyists, and automation enthusiasts, this module uses an onboard light-dependent resistor (LDR\/photoresistor) to automatically detect ambient brightness levels and switch a connected load ON or OFF — no microcontroller required for basic setups.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Supply Voltage:\u003c\/strong\u003e Compatible with both \u003cstrong\u003eDC 5V and DC 12V\u003c\/strong\u003e power sources, making it flexible for a wide range of DIY and embedded projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10A Relay Output:\u003c\/strong\u003e Handles up to \u003cstrong\u003e10A switching current\u003c\/strong\u003e, suitable for controlling lights, fans, and other low-to-medium power devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Brightness Detection:\u003c\/strong\u003e The onboard photoresistor continuously monitors ambient light; the relay triggers automatically when light crosses the set threshold — ideal for dusk-to-dawn control and automation tasks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package:\u003c\/strong\u003e Surface-mount design keeps the board compact and easy to integrate into enclosures or custom PCB assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Rated from \u003cstrong\u003e-40°C to +80°C\u003c\/strong\u003e, making it dependable in both indoor and outdoor-adjacent installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e The module contains none of the listed high-concern chemical substances.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable Sensitivity:\u003c\/strong\u003e Adjust the trigger threshold to suit your lighting environment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V \/ DC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensing Element\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhotoresistor (LDR)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\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 +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Module\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    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic street or garden light control (dusk-to-dawn switching)\u003c\/li\u003e\n  \u003cli\u003eSmart home and DIY automation projects\u003c\/li\u003e\n  \u003cli\u003eArduino, Raspberry Pi, and microcontroller-based circuits\u003c\/li\u003e\n  \u003cli\u003eClassroom and hobbyist electronics experiments\u003c\/li\u003e\n  \u003cli\u003eLight-triggered alarm or notification systems\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\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 is the difference between the 5V and 12V operating modes on this photoresistor relay module?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports both DC 5V and DC 12V supply voltages, so you can power it directly from a 5V USB\/Arduino supply or a standard 12V adapter. The relay switching output remains the same (up to 10A) regardless of which supply voltage you use — simply connect the appropriate voltage to the VCC pin.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this relay module be used without a microcontroller for automatic light switching?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The onboard photoresistor and control circuit allow the module to detect ambient brightness and trigger the relay automatically without any external microcontroller. Just power the board, connect your load to the relay terminals, and adjust the sensitivity potentiometer to your desired light threshold.\u003c\/p\u003e\n\u003ch4\u003eQ: What types of loads can I control with this 10A relay module?\u003c\/h4\u003e\n\u003cp\u003eA: The 10A relay is suitable for controlling LED strips, incandescent bulbs, small fans, solenoids, and other resistive or inductive loads within the relay's current and voltage rating. Always ensure the connected load does not exceed the 10A switching capacity and consult local electrical codes for mains-voltage applications.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this module suitable for outdoor use given its operating temperature range?\u003c\/h4\u003e\n\u003cp\u003eA: The module is rated for -40°C to +80°C, making it thermally capable for a wide range of environments. For outdoor use, we recommend housing it in a weather-resistant enclosure to protect it from moisture and direct exposure to the elements.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the 5V and 12V operating modes on this photoresistor relay module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module supports both DC 5V and DC 12V supply voltages, so you can power it directly from a 5V USB\/Arduino supply or a standard 12V adapter. The relay switching output remains the same (up to 10A) regardless of which supply voltage you use — simply connect the appropriate voltage to the VCC pin.\"}}, {\"@type\": \"Question\", \"name\": \"Can this relay module be used without a microcontroller for automatic light switching?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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For outdoor use, we recommend housing it in a weather-resistant enclosure to protect it from moisture and direct exposure to the elements.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DC 5V\/12V Photoresistor Relay Module – 10A Light Control Switch\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/dc-5v-12v-photoresistor-relay-module-10a-light-control-switch\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"XH-M131 12V","offer_id":44165837357143,"sku":"14:10#XH-M131 12V","price":9.25,"currency_code":"USD","in_stock":true},{"title":"XH-M131 5V","offer_id":44165837389911,"sku":"14:350852#XH-M131 5V","price":9.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sb22fd5bb304b4ee18735d57c8e319136m.webp?v=1786727720","url":"https:\/\/axlcustomersupport.com\/products\/dc-5v-12v-photoresistor-relay-module-10a-light-control-switch","provider":"Axl","version":"1.0","type":"link"}