{"product_id":"digital-ldr-module","title":"Digital LDR Module","description":"\u003cdiv class=\"product_info\"\u003e\n\u003ch2 class=\"sing--sub-heading\"\u003e\u003cspan style=\"font-size: 18.72px;\"\u003eDigital LDR Module – Arduino Compatible Light Sensor\u003c\/span\u003e\u003c\/h2\u003e\n\u003cstrong\u003eThe Digital LDR Module\u003c\/strong\u003e is a versatile \u003cstrong\u003eldr light sensor\u003c\/strong\u003e designed to detect the presence and intensity of light accurately. Many users compare total \u003cstrong\u003elight dependent resistor price\u003c\/strong\u003e before ordering, and understanding the \u003cstrong\u003euse of ldr sensor\u003c\/strong\u003e helps with threshold control. In addition, the behavior of a \u003cstrong\u003ephoto resistor ldr\u003c\/strong\u003e makes this module reliable for automation tasks. This \u003cstrong\u003eLDR Module\u003c\/strong\u003e provides both digital and analog responses suitable for smart lighting, robotics, and light-sensitive systems. The output goes \u003cstrong\u003ehigh\u003c\/strong\u003e when exposed to enough light and becomes \u003cstrong\u003elow\u003c\/strong\u003e in dim conditions, allowing quick brightness detection.\u003cbr\u003e\u003cbr\u003eMoreover, the sensitivity level can be easily adjusted using the onboard potentiometer, which helps you fine-tune trigger points. For example, you can automate lamps or regulate LED brightness indoors with stable performance. This makes integrating a \u003cstrong\u003ephoto resistor ldr\u003c\/strong\u003e into custom DIY builds simple and efficient.\u003cbr\u003e\u003cbr\u003eThe \u003cstrong\u003edigital LDR Module\u003c\/strong\u003e is user-friendly. Because it provides a clear digital output, you can instantly determine the presence of light and react accordingly. An M3 mounting hole ensures secure positioning, and both power and status LEDs deliver helpful visual feedback during operation.\u003cbr\u003e\u003cbr\u003eThis module uses a \u003cstrong\u003eLight Dependent Resistor (LDR)\u003c\/strong\u003e that responds consistently to changes in ambient brightness. As intensity increases, resistance drops for fast detection. Therefore, it is commonly integrated into automatic lighting, camera exposure, and solar-based automation. When ordering larger quantities, comparing \u003cstrong\u003elight dependent resistor price\u003c\/strong\u003e while considering the long-term \u003cstrong\u003euse of ldr sensor\u003c\/strong\u003e can reduce cost. Additionally, seasonal conditions further demonstrate how a \u003cstrong\u003ephoto resistor ldr\u003c\/strong\u003e performs under varied lighting. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eHow it Works:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e1. When the surrounding light intensity reaches the set threshold, the D0 (digital output) pin goes HIGH.\u003cbr\u003e2. If the light level falls below that threshold, the D0 pin outputs LOW.\u003cbr\u003e3. The digital output (D0) can connect directly to an MCU or microcontroller such as Arduino, allowing detection of light intensity changes via simple HIGH\/LOW logic.\u003cbr\u003e4. This output can also directly drive a relay module, effectively creating a photoelectric switch for automated lighting or triggering systems. \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePin Details:\u003c\/strong\u003e\u003cbr\u003eVCC → 3.3V to 5V DC\u003cbr\u003eGND → Ground\u003cbr\u003eDO → Digital Output\u003c\/div\u003e\n\u003cdiv class=\"product_info\"\u003e\n\u003ch3 class=\"sing--sub-heading\"\u003eTechnical Details – photo resistor ldr\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\u003eOperating Voltage (V): 3.3 to 5\u003c\/li\u003e\n\u003cli\u003eOperating Current (mA): 15\u003c\/li\u003e\n\u003cli\u003eLength (mm): 36\u003c\/li\u003e\n\u003cli\u003eWidth (mm): 14\u003c\/li\u003e\n\u003cli\u003eHeight (mm): 8\u003c\/li\u003e\n\u003cli\u003eWeight (g): 2\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\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eLM393-based design for reliable light intensity detection.\u003c\/li\u003e\n\u003cli\u003eDetects ambient brightness and adjusts to changing light conditions.\u003c\/li\u003e\n\u003cli\u003eAdjustable sensitivity through a blue digital potentiometer.\u003c\/li\u003e\n\u003cli\u003eDigital output (0V to 5V) with adjustable trigger threshold from the preset.\u003c\/li\u003e\n\u003cli\u003eLED indicators for power and output status.\u003c\/li\u003e\n\u003cli\u003eCompact design ideal for Arduino and other microcontrollers.\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 – use of ldr sensor\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eAutomatic lighting systems: controls lighting based on ambient light.\u003c\/li\u003e\n\u003cli\u003eLight-sensitive alarms and smart triggers.\u003c\/li\u003e\n\u003cli\u003eSolar-powered devices: adjusts power according to sunlight intensity.\u003c\/li\u003e\n\u003cli\u003eCamera light detection for exposure and brightness calibration.\u003c\/li\u003e\n\u003cli\u003eStreet light automation based on daylight detection.\u003c\/li\u003e\n\u003cli\u003eHome automation: integrates with smart systems for light-based 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\"\u003ePhysical Attributes\u003c\/h3\u003e\n\u003cdiv id=\"p_info\"\u003e\n\u003cul class=\"pro-ds ls-n\"\u003e\n\u003cli\u003eLength (mm): 36\u003c\/li\u003e\n\u003cli\u003eWidth (mm): 14\u003c\/li\u003e\n\u003cli\u003eHeight (mm): 8\u003c\/li\u003e\n\u003cli\u003eWeight (g): 2\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\"\u003e\n\u003cli\u003e1 × Digital 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":43347408322812,"sku":"KG1203","price":26.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/2130\/4757\/files\/digital-ldr-module-light-sensor-board.jpg?v=1762318360","url":"https:\/\/kitsguru.com\/de\/products\/digital-ldr-module","provider":"KitsGuru","version":"1.0","type":"link"}