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

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By JoeO
#25748 Did you measure the 3.3 volt line to ensure that it is 3.3 volts?

You could post a picture so that we can see your layout and wire lengths.
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By dynek
#25823 Let me know if picture is still needed after this info.
I think I am missing a correct firmware - Is there a pre-built 512K firmware for this esp-01 ? I can't seem to find one that is working...
Thank you for your help!

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By dynek
#25824 Oh well this firmware thing is completely unclear to me.

I have uploaded my "own" firmware with Arduino IDE and it's able to list surrounding Wifi network.
Since I want to program it as an Arduino I'll just forget the AT firmware.

Thank you all!