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+#ifndef POWER_MGT_H
+#define POWER_MGT_H
+
+#include "FastLED.h"
+
+#include "pixeltypes.h"
+
+FASTLED_NAMESPACE_BEGIN
+
+///@defgroup Power Power management functions
+/// functions used to limit the amount of power used by FastLED
+///@{
+
+// Power Control setup functions
+//
+// Example:
+//  set_max_power_in_volts_and_milliamps( 5, 400);
+//
+
+/// Set the maximum power used in milliamps for a given voltage
+/// @deprecated - use FastLED.setMaxPowerInVoltsAndMilliamps()
+void set_max_power_in_volts_and_milliamps( uint8_t volts, uint32_t milliamps);
+/// Set the maximum power used in watts
+void set_max_power_in_milliwatts( uint32_t powerInmW);
+
+/// Select a ping with an led that will be flashed to indicate that power management
+/// is pulling down the brightness
+/// @deprecated - use FastLED.setMaxPowerInMilliWatts
+void set_max_power_indicator_LED( uint8_t pinNumber); // zero = no indicator LED
+
+
+// Power Control 'show' and 'delay' functions
+//
+// These are drop-in replacements for FastLED.show() and FastLED.delay()
+// In order to use these, you have to actually replace your calls to
+// FastLED.show() and FastLED.delay() with these two functions.
+//
+// Example:
+//     // was: FastLED.show();
+//     // now is:
+//     show_at_max_brightness_for_power();
+//
+
+/// Similar to FastLED.show, but pre-adjusts brightness to keep below the power
+/// threshold.
+/// @deprecated this has now been moved to FastLED.show();
+void show_at_max_brightness_for_power();
+/// Similar to FastLED.delay, but pre-adjusts brightness to keep below the power
+/// threshold.
+/// @deprecated this has now been rolled into FastLED.delay();
+void delay_at_max_brightness_for_power( uint16_t ms);
+
+
+// Power Control internal helper functions
+
+/// calculate_unscaled_power_mW tells you how many milliwatts the current
+///   LED data would draw at brightness = 255.
+///
+uint32_t calculate_unscaled_power_mW( const CRGB* ledbuffer, uint16_t numLeds);
+
+/// calculate_max_brightness_for_power_mW tells you the highest brightness
+///   level you can use and still stay under the specified power budget for 
+///   a given set of leds.  It takes a pointer to an array of CRGB objects, a
+///   count, a 'target brightness' which is the brightness you'd ideally like
+///   to use, and the max power draw desired in milliwatts.  The result from 
+///   this function will be no higher than the target_brightess you supply, but may be lower.
+uint8_t calculate_max_brightness_for_power_mW(const CRGB* ledbuffer, uint16_t numLeds, uint8_t target_brightness, uint32_t max_power_mW);
+
+/// calculate_max_brightness_for_power_mW tells you the highest brightness
+///   level you can use and still stay under the specified power budget for 
+///   a given set of leds.  It takes a pointer to an array of CRGB objects, a
+///   count, a 'target brightness' which is the brightness you'd ideally like
+///   to use, and the max power in volts and milliamps.  The result from this 
+///   function will be no higher than the target_brightess you supply, but may be lower.
+uint8_t calculate_max_brightness_for_power_vmA(const CRGB* ledbuffer, uint16_t numLeds, uint8_t target_brightness, uint32_t max_power_V, uint32_t max_power_mA);
+
+/// calculate_max_brightness_for_power_mW tells you the highest brightness
+///   level you can use and still stay under the specified power budget.  It
+///   takes a 'target brightness' which is the brightness you'd ideally like
+///   to use.  The result from this function will be no higher than the
+///   target_brightess you supply, but may be lower.
+uint8_t  calculate_max_brightness_for_power_mW( uint8_t target_brightness, uint32_t max_power_mW);
+
+FASTLED_NAMESPACE_END
+///@}
+// POWER_MGT_H
+
+#endif