O2 浓度传感器 SEN0496 驱动

传感器采购自 DFRobot，基本上是即买即用。

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Arduino 驱动代码：

/*!
  * @file  getOxygenConcentration.ino
  * @brief Enable the power, and the information is printed on the serial port.
  * @n When using IIC device, select I2C address, set the dialing switch A0, A1 (Address_0 is [0 0]), (Address_1 is [1 0]), (Address_2 is [0 1]), (Address_3 is [1 1]).
  * @copyright   Copyright (c) 2010 DFRobot Co.Ltd (https://www.dfrobot.com)
  */
#include "DFRobot_EOxygenSensor.h"  // 需要额外安装DFRobot_EOxygenSensor库

/**
 *  iic slave Address, The default is E_OXYGEN_ADDRESS_0
 *     E_OXYGEN_ADDRESS_0               0x70
 *     E_OXYGEN_ADDRESS_1               0x71
 *     E_OXYGEN_ADDRESS_2               0x72
 *     E_OXYGEN_ADDRESS_3               0x73
 */
#define OXYGEN_I2C_ADDRESS E_OXYGEN_ADDRESS_0
DFRobot_EOxygenSensor_I2C oxygen(&Wire, OXYGEN_I2C_ADDRESS);

void setup()
{
		Serial.begin(115200);
		while(!Serial);
		while(!oxygen.begin()){
				Serial.println("NO Deivces !");
				delay(1000);
		} Serial.println("Device connected successfully !");
}

void loop() 
{
    Serial.print("oxygen concetnration is "); 
    Serial.print(oxygen.readOxygenConcentration());
    Serial.println("% VOL");
    delay(1000);
}