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HJ94030 based multiple automatic track controlled multi-pattern light string

HJ94030 more light string with multiple synchronized automatic control circuit track
the circuit components used are 555 HHJ94030 HY-2 KD-28
as shown in the circuit, which includes the beat, pulse generator lights control circuit, music voice circuits, audio amplifier and step-down power supply circuits. The figure, HJ94030 is a versatile light string control ASIC.

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HJ94030 based multiple automatic track controlled multi-pattern light string