LDR Photoresistor Module

Project Overview

The LDR Photoresistor Module project demonstrates how to interface a Light Dependent Resistor (LDR) module with an Arduino Nano. The LDR module detects the intensity of light falling on it and produces an analog voltage output corresponding to the light level. This project reads the analog output from the LDR module and prints the values to the Serial Monitor.

Components Needed

1. Arduino Nano
2. LDR Photoresistor Module
3. Jumper Wires

Block Diagram

Circuit Setup

1. Connect LDR Photoresistor Module to Arduino Nano:
   • Connect the analog output pin of the LDR module to analog pin A0 on the Arduino Nano.
   • Ensure proper power and ground connections for the LDR module.

Instructions

1. Circuit Setup:

   • Wire the LDR module to the Arduino Nano as described in the circuit setup section.

2. Code Upload:

   • Connect the Arduino Nano to your computer via USB.
   • Open the Arduino IDE and paste the provided code.
   • Upload the code to the Arduino Nano.

3. Testing:

   • Once the code is uploaded, open the Serial Monitor.
   • Observe the Serial Monitor for the analog values read from the LDR module.
   • Shine different intensities of light on the LDR module and observe the corresponding changes in the analog values.

Applications

• Light Sensing: Use the LDR module to detect ambient light levels in various environments.
• Automatic Lighting Control: Implement automatic lighting systems based on the detected light levels.
• Security Systems: Integrate the LDR module into security systems to detect changes in light conditions.

Notes

• Ensure proper calibration of the LDR module according to the application requirements.
• Experiment with different thresholds to trigger actions based on the detected light levels.
• Shield the LDR module from direct exposure to light sources to avoid false readings.

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