为啥32.768kHz晶振的匹配电容是20pF,我看晶振的手册标的12.5pF
{:4_174:}
{:4_174:}
AI8051U最小系统板
AI8051U最小系统板(LED)
{:4_165:}{:4_165:}
感谢分享
https://www.stcaimcu.com/forum.php?mod=viewthread&tid=10017
{:4_174:}
手工焊接那么小的LED 怎么焊?