Re: information for connect RS232 by PIC16F877A
时间：04-06
整理：3721RD
点击：
check the 4.7uF polarity, I think the top one is wrong.
change the max232 ic and see
what you means 4.7uF polarity?
i not understand.
- - - Updated - - -
what you means 4.7uF polarity?
i not understand.
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