LED sign decorative light(4)

Published:2011/7/25 2:13:00 Author:chopper | Keyword: LED sign, decorative light | From:SeekIC

This example describes the LED sign decorative light,which can be made into the electronic road sign in theater,dance hall and other public places, as the safe passage in the bathroom. 　　The principle of circuit　　The LED sign decorative light circuit is formed by the LEDs VL1-VL8, six non-gate integrated circuit IC (D1-D6), resistors B1-R12 and capacitors C1-C5, which is shown in Figure 1-156 The circuit adopts 9V laminated battery,and can also use the regulated power supply formed by capacitor C6, C7, resistor R12, rectifier diodes VD1, VD2 and a voltage-regulator diode VS



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