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

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By Ralphxyz
#21836 Where is the "data sheet"???

It has been, for me, so frustrating to not have a spec sheet, I would suppose a "data sheet" might help.

As far as my connection problem I have connected 4 of the five ESP-201 modules I purchased.

The one I have not been able to connect, the one where the blue and the red led are on constantly is of course the
the one that I hard soldered on a perfboard. The others I made up a socket for so I am able to switch modules.

Well 4 out of 5 isn't to bad. Possible with my reflow gun I'll be able to remove the 201 module and start over.

Thanks again for the replies.