请问下esp8266 en pin脚,在拉高后多久,才可以发送AT命令?
我最近遇到的问题是,拉高en pin脚后,100ms,发送AT命令,不会成功;
但是延迟加大到500ms时,再发送AT命令,返回OK就比较稳定了;
请问下有具体的建议时间时序么?
请问esp8266 en pin 拉高多久后,发送AT命令比较稳定成功?
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