LDR Optical Sensitive Resistance Light Detection Photo Sensitive Sensor Module

Product Documentation:

• Manufacturer: Various suppliers available
• User Manual: Includes setup instructions and circuit diagrams
• Datasheet: Provides detailed electrical specifications and characteristics
• Application Notes: Guidelines for interfacing with microcontrollers like Arduino, Raspberry Pi, etc.

Input and Output Section:

• Input:
  • Power supply: 3.3V to 5V
  • Light exposure on the LDR
• Output:
  • Analog output voltage (proportional to light intensity)
  • Digital output (high/low based on threshold setting)
• Pin Configuration:
  • VCC: Power supply input
  • GND: Ground connection
  • OUT: Analog or digital signal output

Physical Characteristics:

• Dimensions:
  • Module size: Approximately 30mm x 20mm
• Weight:
  • Around 10 grams
• Material:
  • PCB and electronic components encased in plastic
• Color: Typically green or blue PCB with printed components
• Mounting Options:
  • Through-hole or surface mount options available
• Connector Type:
  • Standard header pins for easy integration

Technical Specifications:

• Operating Voltage: 3.3V to 5V
• Output Type: Analog and digital signal outputs
• Analog Output Range: 0V to VCC (depending on light intensity)
• Digital Output: High or low based on set threshold
• Operating Temperature Range: -20°C to 70°C
• Storage Temperature Range: -40°C to 85°C
• LDR Characteristics:
  • Resistance in darkness: ≥ 1MΩ
  • Resistance in bright light: ≤ 10kΩ

Additional Features:

• Adjustable Sensitivity: Built-in potentiometer for tuning the sensor’s response to light levels.
• Versatile Applications: Ideal for light-sensitive projects such as automatic lighting systems, alarm systems, and sunlight detection.
• Easy Integration: Compatible with most microcontrollers including Arduino, Raspberry Pi, and other development boards.
• Compact Size: Small form factor allows for easy placement in various projects.
• Low Power Operation: Excellent for battery-powered applications, minimizing energy usage.
• Fast Response Time: Reacts quickly to changes in light, ensuring accurate readings.
• Environmental Resistance: Designed to function well in a variety of environments.
• Durable Construction: Built to withstand regular use with robust materials.
• Educational Tool: Useful for learning about light sensing and electronics in educational projects.
• LED Indicator: Some models include an LED to indicate light detection status.
• Signal Integrity: High-quality components ensure reliable signal output.
• Multi-Purpose Use: Can be used in smart home devices, robotics, and environmental monitoring systems.
• Customizable Setup: Users can configure the sensitivity and thresholds as per their project needs.
• Affordable Component: Cost-effective solution for light detection applications.
• Easy to Use: Simple setup with clear instructions for beginners and advanced users alike.
• Comprehensive Community Support: Many online resources and tutorials available for guidance and project ideas.
• Compact and Lightweight: Ideal for portable applications and projects with limited space.
• Temperature Stability: Operates effectively across a wide range of temperatures.
• Interactive Learning: Encourages experimentation with light sensing and automation technologies.
• User-Friendly Design: Intuitive design makes it easy for users to understand and implement.
• Prototyping Friendly: Perfect for rapid prototyping and testing in DIY projects.
• Safety Features: Designed with safety in mind, preventing overheating and component damage.
• Flexible Integration: Can be used in combination with other sensors for advanced projects.
• Precision Measurement: Provides accurate readings, enhancing project reliability.
• Compatible with Various Programming Environments: Works with different coding platforms, making it versatile for developers.
• Comprehensive Kit: Often available in kits with additional components for easy experimentation.

This LDR sensor module is an essential component for any project that requires light detection, making it a valuable addition to the toolkit of hobbyists and professionals alike.