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LED點(diǎn)陣顯示 1.8X8點(diǎn)陣共由64個發(fā)光二極管組成,且每個發(fā)光二極管是放置在行線和列線的交叉點(diǎn)上,當(dāng)對應(yīng)的某一行置1電平,某一列置0電平,則...