{"product_id":"photosensitive-resistor-sensor-module-for-arduino","title":"Digital Light Sensor Photosensitive Resistor LDR Module","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eDigital Light Sensor Photosensitive Resistor LDR Module\u003c\/span\u003e\u003c\/h2\u003e\nThis high-quality Arduino\u003cstrong\u003e ldr module\u003c\/strong\u003e is a reliable \u003cstrong\u003eldr light sensor\u003c\/strong\u003e designed for Arduino and other microcontrollers. It efficiently detects and measures ambient light intensity using a photosensitive resistor. As the intensity of light increases, the resistance of the photoresistor decreases—allowing accurate detection of brightness levels. Additionally, a built-in 10k resistor helps form a voltage divider circuit to measure real-time variations. Therefore, an Arduino \u003cstrong\u003eldr module\u003c\/strong\u003e can easily read the signal using an analog input pin to perform automatic brightness control or light-based automation tasks. When configured properly, it can behave like \u003cstrong\u003eldr as a switch\u003c\/strong\u003e in several smart circuits.\u003cbr\u003e\u003cstrong\u003ePhoto Resistor Module Connections to Arduino:\u003c\/strong\u003e Pin 1 (S) of the module connects to an Arduino analog input pin (A0 is used in the sample code, but any analog pin can be configured). Pin 2 connects to the Arduino GND pin, while Pin 3 (-) connects to the Arduino 5V pin. Consequently, this simple wiring ensures quick setup and reliable operation for your projects involving an \u003cstrong\u003eldr module\u003c\/strong\u003e.\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eModel Type: Light Dependent Resistor Module\u003c\/li\u003e\n\u003cli\u003eResistance (Ohm): 20MΩ in full darkness, 80Ω in full light\u003c\/li\u003e\n\u003cli\u003eWeight (g): 1\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 the LDR Module\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eThe photosensitive element provides a photocurrent that increases with the applied voltage, ensuring smooth light detection with an \u003cstrong\u003eldr module\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Coefficient:\u003c\/strong\u003e The \u003cem\u003eldr light sensor\u003c\/em\u003e is influenced by temperature. At lower temperatures, sensitivity improves, whereas at higher temperatures it slightly decreases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Power:\u003c\/strong\u003e Indicates the maximum power the photoresistor can safely consume before heating. As temperature rises, power handling capacity reduces.\u003c\/li\u003e\n\u003cli\u003eBased on spectral characteristics, this \u003cstrong\u003edigital ldr module\u003c\/strong\u003e supports multiple types of light detection:\u003c\/li\u003e\n\u003cli\u003eUltraviolet photosensitive resistance\u003c\/li\u003e\n\u003cli\u003eInfrared light-sensitive resistance\u003c\/li\u003e\n\u003cli\u003eVisible photosensitive resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eApplications Using LDR Module :\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight Level Detection:\u003c\/strong\u003e Ideal for automatic lighting systems that adjust brightness according to ambient light, often acting like \u003cstrong\u003eldr as a switch\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar Tracking:\u003c\/strong\u003e Used in solar panels to follow the sun’s position and maximize power output when paired with an \u003cstrong\u003eldr module\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Brightness Control:\u003c\/strong\u003e Perfect for smartphones, laptops, or digital displays that need adaptive screen brightness controlled by an \u003cstrong\u003eldr light sensor\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-Based Alarm Systems:\u003c\/strong\u003e Detects sudden light changes to trigger alarms in security setups, functioning similarly to \u003cstrong\u003eldr as a switch\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhotography and Camera Systems:\u003c\/strong\u003e Helps control exposure by monitoring environmental light conditions using an \u003cstrong\u003eldr light sensor\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsumer Electronics:\u003c\/strong\u003e Integrated in smart home devices, lamps, and lighting control modules to automate operation based on surroundings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eIntegration with Arduino\u003c\/h3\u003e\n\u003cdiv id=\"p_info\" style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/Arduino_KY-018_photoresistor_module_connections.jpg?v=1638614472\" alt=\"Arduino LDR light sensor circuit connection diagram\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eSample Code\u003c\/h3\u003e\n\u003cscript src=\"https:\/\/gist.github.com\/labsguru\/c605c135fde3091f0d739ddccf29b5d8.js\"\u003e\u003c\/script\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds\"\u003e\n\u003cli\u003eLength × Width × Height (mm): 18 × 15 × 1.5\u003c\/li\u003e\n\u003cli\u003eWeight (gm): 1\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\"\u003ePackage Includes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003e1 × Digital Light Sensor Photosensitive Resistor LDR Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"KitsGuru","offers":[{"title":"Default Title","offer_id":40708861886645,"sku":"KG188","price":25.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/products\/LDR_Module_Front_Image.jpg?v=1762093424","url":"https:\/\/kitsguru.com\/de\/products\/photosensitive-resistor-sensor-module-for-arduino","provider":"KitsGuru","version":"1.0","type":"link"}