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I want to place this XL4015 buck converter board on my PCB.

Is it reliable to mount this module directly above digital logic IC components using spacers? I am not sure if the module has a good ground plane to prevent any coupling.

What are the recommendations that I can follow to reduce the EMI provided that the board incudes an ESP8266 module?

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    \$\begingroup\$ Just looking at that type of component it probably is going to have poor EMI performance, although if your system is all digital it's probably not going to affect it that much. Putting anything metallic etc over a Wi-Fi or Bluetooth module is going to limit its range to some extent but again it's just dependent on if it's good enough for what you need. \$\endgroup\$ – MadHatter Dec 28 '20 at 17:53

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