如图所示,esp32上电后向单片机发送ready,随后单片机向esp32发送'AT\r\n',但esp32不返回‘OK’,而是返回'A\n'或'T\n'或'\n'或'\r\n\r\nERROR\r\n'。
请问这是什么原因
esp32-wroom-32ue at指令问题
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esp32-wroom-32ue at指令问题
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