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20mm Photocell Photoresistor LDR Light Sensor
- LDR(Light Dependent Resistor) also known as a photoresistor is a resistor whose resistance varies with the amount of light falling on it. This sensor can be used for making a light sensor, color sensor, object sensor, line sensor, etc.
₹67.00 (Inc. GST)
₹56.78
(+18% GST Extra)
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Description
This light sensor is a larger version of a standard LDR. A photocell changes its resistance based on the amount of light it receives, making it useful for ambient light detection such as triggering actions when a room light turns on or off. This LDR has a large 20 mm sensing surface.
To use the sensor, connect either side of the photocell to a power source such as 5V, and connect the other side to an analog input pin on your microcontroller. Add a 10K pull down resistor from the analog pin to ground. The analog pin voltage will be around 2.5V or higher when exposed to light and near zero when it is dark.
Package Includes:
- 1 x 20mm Photocell Photoresistor LDR Light Sensor
Specification
Light Resistance: Min-5.4
Max-12.6
Dark Resistance: 1.0 kΩ
Spectral Peak: 550 MΩ
Units Test Conditions: 1
Spectral Peak: 550 nm
Dimensions:
Diameter: 20 mm
Width: 2 mm
Between pins: 15mm
Lead length: 24mm
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SKU:
25001
| Brand | GENERIC |
|---|