color changing light circuit
Source: InternetPublisher:红水杯 Keywords: Lantern circuit BSP voice control sound channel Updated: 2021/08/03
Circuit working principle: The circuit drawn in the picture is only for one channel , and
the principle of the other channel is exactly the same. lC is a 4x4 dot matrix dedicated voice-activated flash integrated circuit
TC189, which is packaged in a 14-pin dual-in-line plastic package. The power supply voltage is 6~12 V, and
the driving current of each channel is generally greater than 30 mA.
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