LM393 Digital LDR Module

The LM393 Digital LDR Module / Light Sensor is a light-sensitive module designed for detecting changes in ambient light levels. It uses an LDR (Light Dependent Resistor) and the LM393 comparator to provide a digital output when the light intensity crosses a set threshold, adjustable via the onboard potentiometer. Ideal for applications like automatic lighting, light-sensitive alarms, and DIY electronics, this module is compact, efficient, and easy to interface with microcontrollers like Arduino and Raspberry Pi.

Original price was: ₹199.Current price is: ₹32.

In stock (can be backordered)

If you have any questions, need support or want to buy in bulk reach out to us by CLICKING HERE!

Description

LM393 Digital LDR Module

 

Key Features
  • Light Sensor Technology: This module uses a light-dependent resistor (LDR) to detect the intensity of ambient light, perfect for light-based applications.
  • Stable Digital Output: With the LM393 comparator chip, the module provides a reliable high/low digital signal based on the light detected.
  • Adjustable Sensitivity: The onboard potentiometer allows you to easily adjust the light sensitivity to meet your project’s specific needs.
  • User-Friendly LEDs: An onboard power LED and signal indicator LED give clear feedback on the module’s status during operation.
  • Compact and Lightweight Design: Its small size makes it easy to include in compact devices or projects with limited space.
  • Wide Compatibility: The module operates on 3.3V to 5V, making it compatible with Arduino, Raspberry Pi, and other microcontrollers.

Applications

Automatic Lighting: This module can turn lights on or off based on ambient light, such as activating garden lights at night or deactivating them during the day.

Smart Home Projects: Add light-sensitive features to home automation systems, such as controlling blinds, triggering alarms, or adjusting appliance settings.

Robotics: Use the sensor in robotic projects for light-following, light-avoiding, or environmental adaptation systems.

DIY Electronics: Perfect for creating unique projects like light-activated switches, smart lamps, or interactive displays.

Educational Use: An excellent tool for students and beginners learning about sensors, circuits, and light-based automation.

Why Choose This Module?
  • Easy to Use: The LM393 chip simplifies setup, while the digital output connects effortlessly to your microcontroller.
  • Customizable Sensitivity: With the adjustable potentiometer, you can fine-tune the detection level for precise control.
  • Versatile Applications: Whether for home automation, robotics, or education, this module adapts to various projects.
  • Compact and Affordable: Its small size and budget-friendly price make it a practical choice for beginners and professionals alike.
  • Reliable Operation: Provides consistent performance for long-term use in diverse conditions.

Order Now

Add light detection to your projects with the LM393 Digital LDR Module. Whether you’re working on automation, robotics, or DIY electronics, this module is a reliable and easy-to-use solution.

Visit our store to find additional components, accessories, and tools to enhance your projects. This module is ideal for students, makers, and engineers!

Note

Adjust the onboard potentiometer for the desired sensitivity level before use. Ensure proper wiring to avoid incorrect signals or instability.

Visit our YouTube Channel for tutorials, project ideas, and tips to help you get started with your LM393 Digital LDR Module!

Order Now

Enhance your projects with the LM393 Digital LDR Module. Whether you’re automating lighting, building a smart home system, or experimenting with robotics, this module provides reliable and customizable light detection.

Browse our store for additional components, modules, and accessories to complement your setup. Perfect for students, hobbyists, and professionals!

Note

For optimal performance, calibrate the sensitivity using the onboard potentiometer in your desired lighting conditions. Ensure proper wiring to avoid signal instability.

Visit our YouTube Channel for step-by-step tutorials, project ideas, and expert tips on using the LM393 Digital LDR Module!

Specification

FeatureDetails
Product NameLM393 Digital LDR Module
Operating Voltage3.3V – 5V DC
ChipsetLM393 Comparator
Output TypeDigital (High/Low)
Sensitivity AdjustmentPotentiometer
Detection RangeAdjustable based on sensitivity
Dimensions32mm x 14mm x 8mm
Weight5 grams
Operating Temperature-25°C to +85°C
Mounting TypePCB Mount
Delivery Time2 ~ 3 Days Post Confirmation of Order

 

Warranty

15 Days Warranty


This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.


What voids warranty: If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

How to claim warranty: Click the following link to submit your query or directly contact us by clicking here.

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