{"product_id":"5mm-5537-ldr-photosensitive-resistor","title":"5MM 5537 LDR Photosensitive Resistor","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003e5MM 5537 Light Dependent Resistor Sensor\u003c\/span\u003e\u003c\/h2\u003e\nThe \u003cstrong\u003e5MM 5537 light dependent resistor sensor\u003c\/strong\u003e is a high-quality component designed for responsive brightness detection, working seamlessly in an \u003cstrong\u003eldr circuit\u003c\/strong\u003e and offering great compatibility with \u003cstrong\u003earduino and ldr\u003c\/strong\u003e learning projects. As ambient illumination increases, resistance decreases, enabling smooth automation for outdoor lights, solar devices, and brightness controls. Built with Cadmium Sulphide (CdS) cells, this compact \u003cstrong\u003elight dependent resistor sensor\u003c\/strong\u003e mimics the spectral behavior of the human eye, providing accurate feedback for both hobby and professional use. Because of its affordability and performance, it is widely adopted in smoke detection, security triggers, and other real-time monitoring solutions.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details of light dependent resistor sensor\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eProduct Details: Photoresistor\u003c\/li\u003e\n\u003cli\u003eMaximum Voltage: 150V DC\u003c\/li\u003e\n\u003cli\u003eMaximum Power Consumption: 100mW\u003c\/li\u003e\n\u003cli\u003eEnvironment Temperature: -30°C to +70°C\u003c\/li\u003e\n\u003cli\u003eSpectral Peak: 540nm\u003c\/li\u003e\n\u003cli\u003eBright Resistance (10Lux): 16~50kΩ\u003c\/li\u003e\n\u003cli\u003eDark Resistance: 2.0MΩ\u003c\/li\u003e\n\u003cli\u003eSensitivity: 0.7 min\u003c\/li\u003e\n\u003cli\u003eResponse Time: Rise 20ms, Down 30ms\u003c\/li\u003e\n\u003cli\u003eModel: 5537\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eAnalog Applications using arduino and ldr\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eCamera exposure control\u003c\/li\u003e\n\u003cli\u003eAuto slide focus – dual cell systems\u003c\/li\u003e\n\u003cli\u003ePhotocopy machines – toner density sensing\u003c\/li\u003e\n\u003cli\u003eColorimetric test instruments\u003c\/li\u003e\n\u003cli\u003eDensitometer systems\u003c\/li\u003e\n\u003cli\u003eElectronic scales – dual cell configuration\u003c\/li\u003e\n\u003cli\u003eAutomatic gain control (modulated light source)\u003c\/li\u003e\n\u003cli\u003eAuto-dimming rearview mirror systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eDigital Applications in ldr circuit design\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eAutomatic headlight dimmer circuits\u003c\/li\u003e\n\u003cli\u003eNightlight automation control\u003c\/li\u003e\n\u003cli\u003eFlame-out detection in oil burners\u003c\/li\u003e\n\u003cli\u003eStreetlight automation systems\u003c\/li\u003e\n\u003cli\u003ePresence and beam-breaker sensors\u003c\/li\u003e\n\u003cli\u003ePosition sensing modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eFeatures of arduino and ldr projects\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003ePrecisely senses and responds to light intensity\u003c\/li\u003e\n\u003cli\u003eEasy to connect on breadboards or perfboards\u003c\/li\u003e\n\u003cli\u003eCompatible with analog\/digital ICs and microcontrollers\u003c\/li\u003e\n\u003cli\u003eCompact, low-cost, and readily available component\u003c\/li\u003e\n\u003cli\u003eFast response time and stable performance\u003c\/li\u003e\n\u003cli\u003eEco-friendly design and long operational life\u003c\/li\u003e\n\u003cli\u003eHighly reliable for both DIY and professional use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eApplications demonstrating ldr circuit benefits\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eAutomatic streetlight control systems\u003c\/li\u003e\n\u003cli\u003eCamera exposure and brightness adjustment\u003c\/li\u003e\n\u003cli\u003eNightlight and home automation circuits\u003c\/li\u003e\n\u003cli\u003eFlame detection and safety sensors\u003c\/li\u003e\n\u003cli\u003ePosition and presence monitoring modules\u003c\/li\u003e\n\u003cli\u003eLight-activated alarms and detectors\u003c\/li\u003e\n\u003cli\u003eInteractive educational electronics\u003c\/li\u003e\n\u003cli\u003eSolar-powered and IoT lighting solutions\u003c\/li\u003e\n\u003cli\u003eIndustrial light control automation\u003c\/li\u003e\n\u003cli\u003eDisplay and screen brightness control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eSpecifications for light dependent resistor sensor\u003c\/h3\u003e\n\u003cdiv id=\"p_video\"\u003e\n\u003ctable class=\"styled-table-rahul\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eMax Pressure (VDC)\u003c\/th\u003e\n\u003cth\u003eMax Power (mW)\u003c\/th\u003e\n\u003cth\u003eAmbient Temp (°C)\u003c\/th\u003e\n\u003cth\u003eSpectral Peak (nm)\u003c\/th\u003e\n\u003cth\u003eBright Resistance (Ω)\u003c\/th\u003e\n\u003cth\u003eDark Resistance (MΩ)\u003c\/th\u003e\n\u003cth\u003eResponse Time (ms)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5506\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e-30~+70\u003c\/td\u003e\n\u003ctd\u003e540\u003c\/td\u003e\n\u003ctd\u003e4–7\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003eRise:30 \/ Fall:30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5516\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e-30~+70\u003c\/td\u003e\n\u003ctd\u003e540\u003c\/td\u003e\n\u003ctd\u003e5–10\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003eRise:30 \/ Fall:30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5528\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e-30~+70\u003c\/td\u003e\n\u003ctd\u003e540\u003c\/td\u003e\n\u003ctd\u003e10–20\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eRise:20 \/ Fall:30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5537\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e-30~+70\u003c\/td\u003e\n\u003ctd\u003e540\u003c\/td\u003e\n\u003ctd\u003e20–30\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eRise:20 \/ Fall:30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5549\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e-30~+70\u003c\/td\u003e\n\u003ctd\u003e540\u003c\/td\u003e\n\u003ctd\u003e100–200\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eRise:20 \/ Fall:30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\" style=\"text-align: center;\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eDrawing (mm) related to arduino and ldr builds\u003c\/h3\u003e\n\u003cp\u003e\u003cimg alt=\"Dimension diagram for 5mm 5537 ldr circuit planning\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/LDR-Dimensions_480x480.png?v=1694415531\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 × 5MM 5537 LDR Photosensitive Resistor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":46950786728188,"sku":"KG1050","price":5.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/5mm-5537-light-dependent-resistor-front.jpg?v=1762250604","url":"https:\/\/kitsguru.com\/de\/products\/5mm-5537-ldr-photosensitive-resistor","provider":"KitsGuru","version":"1.0","type":"link"}