ArduinoUNO测试VEML6075紫外线传感器

概述

VEML6075是一个能够检测UVA和UVB波段紫外线强度的传感器，从而测量出紫外线指数UVI。内置温度补偿可以很好的抑制温度对传感器的输出数据的影响。每通道数据输出可达16bit精度。IIC数字通信接口。工作电压1.7V-3.6V。下图为归一化光谱响应范围

Arduino UNO与VEML6075接线

Arduino UNO	VEML6075
A4	SDA
A5	SCL
3.3V	VCC
GND	GND

示例程序

打开Arduino IDE的库管理器搜索VEML6075并安装一个库，打开示例程序

#include <Wire.h>
#include <DFRobot_VEML6075.h>

#define VEML6075_ADDR   0x10

DFRobot_VEML6075_IIC VEML6075(&Wire, VEML6075_ADDR);  // create object

void setup()
{
  Serial.begin(115200);
  delay(2000);
  while (!Serial);

  Serial.println();
  while (VEML6075.begin() != true) {
    Serial.println("VEML6075 begin faild");
    delay(2000);
  }
  Serial.println("VEML6075 begin successed");
}

void loop()
{
  uint16_t    UvaRaw = VEML6075.readUvaRaw();         // read UVA raw
  uint16_t    UvbRaw = VEML6075.readUvbRaw();         // read UVB raw
  uint16_t    comp1Raw = VEML6075.readUvComp1Raw();   // read COMP1 raw
  uint16_t    comp2Raw = VEML6075.readUvComp2Raw();   // read COMP2 raw

  float       Uva = VEML6075.getUva();                // get UVA
  float       Uvb = VEML6075.getUvb();                // get UVB
  float       Uvi = VEML6075.getUvi(Uva, Uvb);        // get UV index

  Serial.println();
  Serial.println("======== start print ========");
  Serial.print("UVA raw:    ");
  Serial.println(UvaRaw);
  Serial.print("UVB raw:    ");
  Serial.println(UvbRaw);
  Serial.print("COMP1 raw:  ");
  Serial.println(comp1Raw);
  Serial.print("COMP2 raw:  ");
  Serial.println(comp2Raw);
  Serial.print("UVA:        ");
  Serial.println(Uva, 2);
  Serial.print("UVB:        ");
  Serial.println(Uvb, 2);
  Serial.print("UVIndex:    ");
  Serial.print(Uvi, 2);
  if (Uvi < UVI_LOW)
    Serial.println("  UVI low");
  else if (Uvi < UVI_MODERATE)
    Serial.println("  UVI moderate");
  else if (Uvi < UVI_HIGH)
    Serial.println("  UVI high");
  else if (Uvi < UVI_VERY_HIGH)
    Serial.println("  UVI very high");
  else
    Serial.println("  UVI extreme");
  Serial.print("mw/cm^2:    ");
  Serial.println(Uvi2mwpcm2(Uvi), 2);
  Serial.println("======== end print ========");
  delay(1000);
}

在室内普通光线下测的结果为