5528 Light Dependent Resistor
Light Dependent Resistor (LDR) can be used to easily measure ambient light with your Arduino or other board with analogue input. You will need to set this up as a voltage divider with a resistor of around 10KΩ.
$0.65 – $1.95
Description
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Q & A
5528 Light Dependent Resistor and Photoresistors come in many types. Inexpensive cadmium sulfide (CdS) cells can be found in many consumer items such as camera light meters, clock radios, alarm devices (as the detector for a light beam), nightlights, outdoor clocks, solar street lamps, and solar road studs, etc.
What does a light-dependent resistor do?
LDRs (light-dependent resistors) are used to detect light levels, for example, in automatic security lights. Their resistance decreases as the light intensity increases:
Specification:
5528 Light Dependent Resistor Available: 3mm,5mm,12mm,20mm
- Maximum voltage: 150V, DC
- Maximum wattage: 100mW
- Operating temperature: -30°C ~ 70°C
- Spectral peak: 540 nm
- Bright resistance (10 Lux) (KΩ): 10 – 20
- Dark resistance: 0.5 MΩ
- 100λ10: 0.7
- Response time: 20ms (Rise), 30ms (Down)
- Resistance illumination: 3
Development Resources: demo codes, schematics, datasheets, etc
Notes:
1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual colour of the item because of different photographing light, angle and display monitor.
Other Related Products
5mm 5537 Light Dependent Resistor
| Weight | 0.001 kg |
|---|---|
| Dimensions | 1 × 1 × .05 cm |
| Diameter | 12mm, 20mm, 3mm, 5mm |
Product Applications
Current Product Support
| SKU | Product | Type | Download/View |
|---|---|---|---|
| 5528 Light Dependent Resistor - LDR | Datasheet | Download |
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