text: #ifndef _LOAD_ADJUST_H_
  #define _LOAD_ADJUST_H_
  #include <Arduino.h>
  /**
   * @brief  This class defines an interface for any type of adjustable electrical load.
   */
  class LoadAdjust {
  public:
      /**
       * @brief  set a new value for the adjustable load
       * @param  load: between 0.0 and 1.0 where 1.0 is the highest load
       */
      virtual void setLoad(float load) = 0;
      /**
       * @brief  set up pin states
       */
      virtual void begin() = 0;
  };
  #endif