LM393 Optical Photosensitive LDR light sensor module for Arduino Shield DC 3-5V
LM393 LDR light sensor module PINOUT
LM393 Optical Photosensitive LDR light sensor module
LDR MODULE
LDR MODULE
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LM393 Optical Photosensitive LDR light sensor module for Arduino Shield DC 3-5V

5.00 out of 5
(1 customer review)

Original price was: 0.69$.Current price is: 0.34$. Exclusive of GST

The LDR Sensor Module is used to detect the presence of light / measuring the intensity of light. The output of the module goes high in the presence of light and it becomes low in the absence of light. The sensitivity of the signal detection can be adjusted using potentiometer.

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<10
0.34$
10 - 24
0.33$ 3%
25 - 49
0.33$ 4%
50 - 99
0.32$ 5%
100 - 499
0.32$ 6%
500+
0.31$ 8%

Features:-

  • Can detect ambient brightness and light intensity
  • Adjustable sensitivity (via blue digital potentiometer adjustment)
  • Operating voltage 3.3V-5V
  • Output Type:  Digital switching outputs (0 and 1) -D0
  • With fixed bolt hole for easy installation
  • Small board PCB size: 3cm * 1.6cm
  • Power indicator (red) and the digital switch output indicator (green)
  • Using LM393 comparator chip, stable

Pin outs:-

  • External 3.3V-5V VCC
  • External GND GND
  • DO digital output interface, a small plate (0 and 1)

How to use:-

  • Photosensitive resistor module most sensitive to environmental light intensity is generally used to detect the ambient brightness and light intensity.
  • Module light conditions or light intensity reach the set threshold, DO port output high, when the external ambient light intensity exceeds a set threshold, the module D0 output low;
  • Digital output D0 directly connected to the MCU, and detect high or low TTL, thereby detecting ambient light intensity changes;
  • Digital output module DO  can directly drive the relay module, which can be composed of a photoelectric switch;

Package: 

1 x LM393 Optical Photosensitive LDR light sensor module

* Product Images are shown for illustrative purposes only and may differ from actual product.

Weight 0.05 kg
Dimensions 15 × 10 × 1 cm

1 review for LM393 Optical Photosensitive LDR light sensor module for Arduino Shield DC 3-5V

5.0 Rating
1-1 of 1 review
  1. Rupam Roy
    Reviewer

    I recently purchased the LDR Light Sensor Module from Elecsynergy, and it works perfectly with my Arduino projects! The sensor is highly sensitive to light changes, providing accurate readings even in low-light conditions. It’s easy to connect and use, with a clear output for efficient monitoring. Great value for the price. Highly recommended for anyone working on light-sensitive applications!

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