Multicolor advertising lamp box with emitting music circuit (1)

Published:2012/8/31 2:14:00 Author:Ecco | Keyword: Multicolor, advertising lamp box , emitting music | From:SeekIC

The circuit is shown in the figure. It includes the clock pulse generator, counter/divider circuit, thyristor trigger Lantern circuit, music circuit and AC step-down rectifier circuit and so on. Red, green and blue lights are placed in a glass box, it will emit soft light with three colors of red, green, blue in an order and broadcast world famous music one by one to attract more customer. F1~F3 are three gates of six inverter IC CD4069, and F1, F2 and R1,R2,C1 form a self-excited harmonic oscillator with oscillation frequency is



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/LED_and_Light_Circuit/Multicolor_advertising_lamp_box_with_emitting_music_circuit_1.html

Print this Page | Comments | Reading(3)