Description
Description
Arduino KY-018 Photoresistor module, used to measure light intensity. It can determine the presence or absence of light.
Specifications
This module consists of a photoresistor and a 10 kΩ in-line resistor. The photoresistor's resistance will decrease in the presence of light and increase in the absence of it. The output is analog and determines the intensity of light.
Operating Voltage 3.3V to 5V
Output type Analog
KY-018 Connection Diagram
Connect the Power line (middle) and ground (-) to +5 and GND respectively. Connect signal (S) to pin A2 on the Arduino.
KY-018 Arduino
S Pin A2
middle +5V
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