è¿ä¸ªä¸é¾,åçæºç¨æ®éçSTC51åçæºå°±å¯ä»¥äºãç¨ä¸ä¸ªIOå£æ§å¶ä¸ä¸ªç»§çµå¨(ä¸æ管æ©æµ)ã å计ç®æºä¹é´éè¿max232,æè
max485éä¿¡ã ç¯ç¶æéè¿å
æçµé»æè
å
æäºæ管æ£æµã 计ç®æºåä¸ä¸ªVbæè
C#ç¨åºãé½...
追é®ä¸æç½ï¼æ°æ¡å¡çº³ä¸ç