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scm1561msma6822msim6822msma6853mxsla7026msla7027musla7072mprtspf

vpp每四个通道使用一个sct2280,四个通道共享8a的电流.

sct89c52的单片机最小系统和蜂鸣器怎么连,,能让当单片机有高电平进来


scm1561msma6822msim6822msma6853mxsla7026msla7027musla7072mprtspf
vpp每四个通道使用一个sct2280,四个通道共享8a的电流.
sct89c52的单片机最小系统和蜂鸣器怎么连,,能让当单片机有高电平进来