Data Sheet

ManualsBrandsVelleman ManualsLight SensorsVelleman UV Light Sensor - GUVA-S12SD

Table Of Contents

VMA328

V. 01 – 23/03/2018 4 ©Velleman nv

8. Example 2

// CODE BEGIN

void setup()

{

Serial.begin(9600);

}

void loop()

{

float sensorVoltage;

float sensorValue;

sensorValue = analogRead(A0);

sensorVoltage = sensorValue/1024*3.3; // Change 3.3 to 5 if the power supply of the VMA328 is 5V.

Serial.print("sensor reading = ");

Serial.print(sensorValue);

Serial.println("");

Serial.print("sensor voltage = ");

Serial.print(sensorVoltage);

Serial.println(" V");

delay(1000);

}

// CODE END

9. Output Voltage/Readings vs. UV Intensity

UV index

Vout (mV)

< 50

227

318

408

503

606

Analogue value

< 10

103

124

UV index

Vout (mV)

696

795

881

986

1079

1170+

Analogue value

142

162

180

200

221

240

10. More Information

Please refer to the VMA328 product page on www.velleman.eu for more information.

Use this device with original accessories only. Velleman nv cannot be held responsible in the event

of damage or injury resulting from (incorrect) use of this device. For more info concerning this

product and the latest version of this manual, please visit our website www.velleman.eu. The

information in this manual is subject to change without prior notice.

The copyright to this manual is owned by Velleman nv. All worldwide rights reserved. No part of this

manual may be copied, reproduced, translated or reduced to any electronic medium or otherwise without the