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LM393 Photosensitive Light-Dependent Control Sensor LDR Module

Name: LM393 Photosensitive Light-Dependent Control Sensor LDR Module
SKU: 8710
Price: 55.00 INR
Availability: InStock

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Vendor: Kiwanokit

Original price was: ₹70.00.Current price is: ₹55.00.

An LDR (Light Dependent Resistor) Module is an electronic device used to detect light intensity. It uses an LDR, a type of resistor whose resistance varies based on the amount of light it is exposed to.

Availability: 10 in stock

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Category: Sensors Tags: Ambient Brightness Sensor Photoresistor Photosensitive Sensors

Product Description

How It Works:

Light Sensitivity: The resistance of the LDR decreases as the ambient light increases and increases as the light decreases.
Signal Processing: The module typically includes additional components, such as a comparator, to convert the varying resistance into a digital or analog signal that can be easily read by microcontrollers.
Output Signal: The module can output either a digital signal (high or low, depending on the light threshold) or an analog signal proportional to the light intensity.

Applications:

Automatic Lighting: Used to turn lights on or off based on ambient light levels.
Brightness Control: Used in devices like screens or displays to adjust brightness automatically.
Light Detection: Commonly used in security systems to detect when a light source is present or absent.

Key Features:

Sensitivity: The sensitivity to light can often be adjusted using a potentiometer on the module.
Simple Integration: Easy to interface with microcontrollers like Arduino, often with three pins (VCC, GND, and Output).
Power: Operates at low voltage, typically 3.3V or 5V.

Advantages:

Cost-Effective: Inexpensive and simple to use for basic light detection tasks.
Non-Invasive: Detects ambient light without emitting any signals.
Versatile: Can be used in a wide range of projects, from simple DIY electronics to more complex automated systems.

LDR modules are popular in projects that require light sensing or automatic response to changing light conditions.