ESP8266 Community Forum

Posted: **Sat May 16, 2020 12:10 pm**

I have the ESP8266-12E of Hysiry
Can someone tell me how to test it to see if it works?

Posted: **Mon May 18, 2020 4:12 am**

Connect it up like this (note: Vcc is 3.3V):

Image borrowed from Sensate.io
"Serial port" is (for instance) a generic USB -> UART convertor set to 3.3V levels.

Connect setup to PC, run a good terminal program (like PuTTY) and open a connection to the serial port at 74880 Baud (this is not a typo, it really is this non-standard rate).
Power up (or reset) the circuit and the terminal should output something like this:

Code: Select all

 ets Jan  8 2013,rst cause:2, boot mode:(3,6)

load 0x4010f000, len 1384, room 16
tail 8
chksum 0x2d
csum 0x2d
v00000000
~ld

Posted: **Mon May 18, 2020 11:14 am**

Thank you very much for your reply.
Can I connect my ESP8266-12E to arduino one to test it?
How should I connect it to arduino and how can I test it in this case?

Posted: **Fri May 22, 2020 3:46 am**

Not directly no; just spend the extra buck and a half on an USB -> UART convertor and save yourself the trouble. :idea:

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