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HELLOCQ
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:) 图111111111111111111 现在显示电压3.5-4.2v(ld1-ld10)
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lm3914.。3.5v亮一只灯,逐步到4.2v时全部电亮。(可选择条形,或点形) bg1has :)
能提供详细图纸吗,谢谢