Use this forum to chat about hardware specific topics for the ESP8266 (peripherals, memory, clocks, JTAG, programming)

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By martinayotte
#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.