LDR Photosensitive Sensor Module (4-Pin) | Light Detector

This Photosensitive Sensor, also called Light Dependent Resistor (LDR) Light Sensor Module detects ambient light levels with precision. Whether you’re automating lights, creating solar trackers, or designing smart home systems, this module makes light-based automation simple and efficient.

🔹 Dual Output – Digital & Analog for Versatile Use 🔄
With both digital and analog outputs, this LDR light photosensitive sensor module provides flexibility in various applications. The analog output gives precise light intensity readings, while the digital output allows for simple threshold-based automation.

🔹 Technical Specifications & Performance ⚡
✔ Operating Voltage: 3.3V – 5V
✔ Output Type: Digital (DO) & Analog (AO)
✔ Adjustable Sensitivity: Built-in potentiometer for threshold adjustments
✔ Indicator LEDs: Power and output status indicators
✔ Module Size: Compact and easy to integrate into projects
✔ Compatible with: Arduino, Raspberry Pi, ESP8266, and other microcontrollers

🔹 Perfect for DIY Electronics & Automation 🤖
Ideal for automatic lighting control, solar tracking systems, security alarms, and IoT projects, this LDR module helps optimize energy efficiency and enhance automation. It’s a must-have for hobbyists, students, and engineers.

🔹 Easy to Use & Widely Compatible 🔌
Simply connect the module to an Arduino, Raspberry Pi, or other microcontroller, adjust the sensitivity using the potentiometer, and start building your project. The plug-and-play design ensures hassle-free integration.

Resources:

Learn how to use the Photosensitive Sensor Light Dependent Resistor (LDR) Light Sensor Module here.

You can use the this sensor with the Arduino, Get started with the Arduino Project Book – Link

Also, check the official page of the Arduino Official Arduino Tutorial Page

You can also buy the Arduino Uno R3 DIP version with this link.