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Music color changing light circuit
Source: InternetPublisher:super_star Keywords: trigger voltage stabilization Updated: 2020/11/05
Working principle of the circuit: 220 V AC voltage is stepped down by C1, stabilized by DW1 , rectified by VD
, and filtered by C2 to provide a stable DC working voltage of about 6V for the circuit; then it is stabilized
by
DW2 to provide a 4.5 V working power supply for HYB-L. HYB-L is a three-terminal music integrated circuit
. The music signal it outputs goes all the way to speaker B to make B emit beautiful
music sound; all the way is sent to the trigger terminal CP of C180 as a music trigger pulse.
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