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Is there a way to beef up the antenna for longer range Wifi?
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I purchased a few of these from BangGood https://www.banggood.com/WeMos-D1-Mini- … 44951.html
You HAVE to move the Zero Ohm resistor to disable the internal antenna and enable the external one. I did not do that in the beginning and when closing the box all signal went away.
I have it mounted in an ammo can to be totally weather proof. I added a battery and a couple of small solar panels with charge controller and it works 24X7 for a couple months now. It monitors oil temperature for a hot plant for making asphalt for road construction.
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