This paper presents the design and construction of a musical water fountain system driven by Arduino using Fourier Transform technology. Audio signals were taken from sources such as MP3 player, smart phone, laptop, etc and these signals were first amplified using LM386 IC and then transferred into an analog input of Arduino for FFT processing. To give out signals for DC pump motors, digital output pins was used. With various frequency band, turning on and off the DC motors and LED systems was created the lighting and water spray effects which should go well along with showed music. The response of this foundation is analysed for different audio frequency range and pump motor control was emphasised and, fountain model is designed for domestic usages.
Musical water fountain, Fast Fourier Transform, Audio frequency, Pump, Signal Amplifier, Arduino
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