ESP-01 GPIO keep high but goes low!

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Re: ESP-01 GPIO keep high but goes low!

By martinayotte
- Wed Sep 23, 2015 4:06 pm #29723
electronicsguy wrote:LED is connected between GPIO2 and GND thru another 10K.

Even with normal LED, you probably need to go in a dark closet to see this LED lighting up a bit ... :lol:
If you don't want to switch from source to sink mode like I proposed before, you won't have much choice to add a transistor.
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