Neon colored lantern with music sound control circuit

Published:2012/9/5 22:29:00 Author:Ecco | Keyword: Neon colored lantern , music sound , control circuit | From:SeekIC

As shown in the figure, it is mainly composed of the multivibrator, graphics driver circuit, AC solid-state relay controller, songs sound circuit, amplifier circuit and AC buck rectifier circuit. It enables the 10 groups of neon lights to vagary with different lantern patterns, also accompanied by the world famous music. The time-base circuit 555 and R1 , R2 , C1 form a low-frequency harmonic oscillator, and its frequency: fo = 1.44 / (R1 + RRP1 +2 R2) C1. The oscillation frequency of the icon parameter is 0.035Hz to 0.15 Hz.



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