LDR 5mm Photoresistor – Light Sensor for Arduino & DIY Projects

This 5mm LDR (Light Dependent Resistor) changes resistance based on the light intensity falling on it. It's an essential component for light-sensing circuits, Arduino projects, and automatic lighting systems.

Perfect for electronics students, hobbyists, and engineers in Bangladesh working on automation, robotics, and smart home systems.

🌞 Specifications:

• Diameter: 5mm

• Type: Photoresistor (LDR)

• Resistance in Dark: ~1MΩ

• Resistance in Light: ~5–10kΩ

• Response Time: 20–30 ms

• Operating Voltage: 3.3V to 5V (with microcontrollers)

🎯 Applications:

• Automatic street lights

• Light-sensitive alarms

• Light/dark detectors

• Arduino and ESP8266/ESP32 projects

• Solar trackers

• Smart agriculture systems

✅ Why Choose This LDR?

• ✅ Simple and low-cost light sensor

• ✅ Works directly with analog pins of Arduino, ESP8266, Raspberry Pi

• ✅ Fast response to changing light conditions

• ✅ Small size for compact PCB or breadboard projects

• ✅ Ideal for projects in schools, universities, and industry in BD

📦 Package Includes:

• 1 × LDR 5mm Photoresistor