GY-302 เซนเซอร์ วัดความเข้มแสง

• Digital light intensity detection
• Model: GY-302
• Dimensions: 13.9mm X 18.5mm
• Original BH1750FVI chip using ROHM
• Power supply :3-5v
• Data range 0-65535
• Sensor built 16bitAD converter
• Direct digital output, omitting complex calculations, calibration is omitted
• Does not distinguish between ambient light
• Spectral characteristics close to visual sensitivity
• Brightness can be a wide range of high-precision measurement lux

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 library /code 

• https://www.dropbox.com/s/bsndj4mt8fuiuje/BH1750-master.zip?dl=0
  
  

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ตัวอย่างการใช้งาน

 BH1750 -> Arduino

• Vcc  -> 5V
• Gnd -> Gnd
• SDA -> A4
• SCL  -> A5

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 ตัวอย่าง Code

/*

Example of BH1750 library usage.

This example initalises the BH1750 object using the default

high resolution mode and then makes a light level reading every second.

Connection:

 VCC-5v

 GND-GND

 SCL-SCL(analog pin 5)

 SDA-SDA(analog pin 4)

 ADD-NC or GND

*/

#include

#include

BH1750 lightMeter;

void setup(){

  Serial.begin(9600);

  lightMeter.begin();

  Serial.println("Running...");

}

void loop() {

  uint16_t lux = lightMeter.readLightLevel();

  Serial.print("Light: ");

  Serial.print(lux);

  Serial.println(" lx");

  delay(1000);

}