LDR Photoresistor 5mm GL5528

LDR Photoresistor 5mm GL5528

The LDR Photoresistor 5mm GL5528 is a light-controlled variable resistor, often known as a photoresistor, light-dependent resistor (LDR), or photocell. A photoresistor is photoconductive if its resistance lowers as the intensity of the incoming light increases.

Specifications:

• Model: GL 5528
• Light Resistance: 20 – 30 Kilo Ohms
• Dark Resistance: 1 Mega Ohm
• Max Voltage: 150 V
• Max Power Consumption: 100 W
• Spectral Peak: 540 nm
• Response Time Up: 20 ms
• Response Time Down: 30 ms
• Operating Temperature: -30⁰C ~ +70⁰C
• Dimensions: 4.3mm x 5.1mm x 2.1 mm

Applications:

There are many applications for LDRs (light-dependent resistors), including:

1. Light sensing: LDRs can be used to detect the level of ambient light in a room or outdoor area and then adjust the brightness of lights accordingly.
2. Automatic lighting control: LDRs can be used in automatic lighting control systems to turn lights on and off based on the level of ambient light.
3. Camera exposure control: LDRs can be used in cameras to adjust the aperture and shutter speed based on the level of light in the scene.
4. Street light control: LDRs can be used to control the brightness of street lights, turning them on when it gets dark and off when it gets light.
5. Robotics: LDRs can be used in robots for obstacle detection, navigation and tracking the light source.
6. Security systems: LDRs can be used in security systems to detect movement in a room or outdoor area and trigger an alarm.
7. Industrial automation: LDRs can be used in industrial automation systems to detect the presence of objects on a conveyor belt or in a machine.
8. Power saving: LDRs also can be used in power-saving systems to detect the presence of people in a room and turn off lights and other appliances when the room is empty.

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