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STC8H4K64TL,32个8段LED数码管大电流自动刷新演示 |
点评
我用8个COM共阳共阴都用了,串100Ω电阻,PxDR设置强驱动,亮度可以,还不会SEG数不一致造成亮度不均匀,效果很好,如PxDR默认亮度受点亮的SEG数影响
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