SKU: SEN0161-V2

  /**
   * @fn calibration
   * @brief Calibrate the calibration data
   *
   * @param voltage     : Voltage value
   * @param temperature : Ambient temperature
   * @param cmd         : enterph -> enter the PH calibration mode
   * @n                   calph   -> calibrate with the standard buffer solution, two buffer solutions(4.0 and 7.0) will be automaticlly recognized
   * @n                   exitph  -> save the calibrated parameters and exit from PH calibration mode
   */
  void    calibration(float voltage, float temperature,char* cmd);  //calibration by Serial CMD
  void    calibration(float voltage, float temperature);
  /**
   * @fn readPH
   * @brief Convert voltage to PH with temperature compensation
   * @note voltage to pH value, with temperature compensation
   *
   * @param voltage     : Voltage value
   * @param temperature : Ambient temperature
   * @return The PH value
   */
  float   readPH(float voltage, float temperature); 
  /**
   * @fn begin
   * @brief Initialization The Analog pH Sensor
   */
  void begin();