你好,
我用安可信的ESP01与Arduino Mega256设计了一个系统。系统中,Mega256直接给ESP01供3.3v。Mega2560的A0接了信号发生器,输入直流3V。硬件连接如下图所示。
在ESP01未上电时,电压测量基本正常,当ESP01正常启动后,就会干扰Mega2560的ADC采样。
如图所示。
试过用DC-DC隔离电源从Mega2560的5V取电,给ESP01供电,情况也一样。请问有什么办法解决?
谢谢。
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