82问答网 > 单片机串口一连，程序就通电了，可以解决吗？

单片机串口一连，程序就通电了，可以解决吗？

2025-04-01 18:21:30
推荐回答（1个）
回答1：

按道理来说串口反灌的电，让单片机跑起来倒是足够，但是再拖动外设就有些夸张了。
这种情况应当归结于设计问题，我觉得你最好仔细查一查，另外确认串口连接是否只有收发地三脚。

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