I use them to control LED lights, the ones that come in Aideepen branded boxes are crap. The LEDs don't even light up for more than 1/2 second before something burns out on the board. No, that's not my code, and I don't connect them to the boards in the same way. I have many WEMOS D1 Mini Pro boards running the same code and wired the same way. Especially these boards are crap. Don't buy them.
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