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With the improvement of people’s living standards and the yearning to build a green city, musical fountains have become an important product in the leisure and entertainment industry with their unique charm and special functions, and more and more musical fountains have been built. According to the current development status of musical fountains, a small musical fountain control system with STM32F103C8T6 microcontroller as the core is introduced. Gives a simple single-chip control circuit, analyzes the audio output circuit and input circuit; introduces the principle of obtaining the spray pool data that determines the action of the spray pool from the audio signal of a specific structure; gives the main program block diagram and the use of program control To control the pattern. The audio signal also affects the changes in the brightness of the light. So
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