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KY-018 Photoresistor Sensor Module LDR Light Dependant Resistor Arduino AVR PIC
Description and Specification
Photo resistors, also known as light dependent resistors (LDR), are light sensitive devices most often used to indicate the presence or absence of light, or to measure the light intensity.
In the dark, their resistance is very high, sometimes up to 1MΩ, but when the LDR sensor is exposed to light, the resistance drops dramatically, even down to a few ohms, depending on the light intensity.
LDRs have a sensitivity that varies with the wavelength of the light applied and are nonlinear devices.
The module can also be used to measure light intensity and allows for easy sensing of light levels for you microprocessor projects.
- KY-018 : LDR breakout board
- Voltage : 3.3v to 5v
- Output : Analogue
- 3 Pin
- PCB size : 19mm x 15mm
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The Buyer must contact the Seller within 5 days of the End of the Sale and Payment must be made within 7 days unless agreed beforehand with the seller.
All Payment must be made and Cleared before items are dispatched.
Pay pal transactions can only be sent to the address registered with pay pal.
All refund requests must be within 30 days of receipt of goods.
Refunds/Exchanges are only given when agreed to by an email and Items must be in the condition they were received.
All return shipping charges are at your cost unless product is faulty although they may be refunded solely at our discretion.
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