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5mm LDR Light Dependent Resistor

10.00

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A 5mm Light Dependent Resistor (LDR), also known as a photoresistor, is a type of variable resistor that changes its resistance based on the intensity of light incident on it. Here’s a general description:

1. **Size:**
– The “5mm” in the description refers to the diameter of the LDR. This size is common and suitable for various electronic applications.

2. **Photoresistor Type:**
– LDR is a type of photoresistor, meaning its electrical resistance changes in response to the amount of light it is exposed to.

3. **Variable Resistance:**
– As the light intensity increases, the resistance of the LDR decreases, and vice versa. This property makes LDRs useful in circuits where light levels need to be sensed or controlled.

4. **Spectral Sensitivity:**
– LDRs are sensitive to a range of wavelengths in the light spectrum. The specific spectral sensitivity can vary between different LDR models.

5. **Applications:**
– LDRs are commonly used in light-sensitive applications such as automatic streetlights, camera exposure control, and light intensity meters.

6. **Dark Resistance:**
– LDRs have a dark resistance, indicating their resistance in low-light or dark conditions.

7. **Light Resistance:**
– The resistance decreases as the light intensity increases, providing a variable resistance depending on the ambient light.

8. **Response Time:**
– LDRs typically have a response time, meaning they may not instantly react to changes in light. The response time depends on the specific characteristics of the LDR.

9. **Voltage Range:**
– The LDR operates within a specific voltage range. This information is crucial when integrating it into electronic circuits.

10. **Electronic Projects:**
– LDRs are popular components in DIY electronics projects and are often used to control or adjust the behavior of electronic devices based on ambient light conditions.

11. **Integration with Microcontrollers:**
– LDRs can be integrated into circuits with microcontrollers to create smart lighting systems or other projects where light sensitivity is essential.

It’s important to note that the specific characteristics of a 5mm LDR may vary depending on the model and manufacturer.

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