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

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By QuickFix
#87176 Connect it up like this (note: Vcc is 3.3V):
Image borrowed from
"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
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By QuickFix
#87245 Not directly no; just spend the extra buck and a half on an USB -> UART convertor and save yourself the trouble. :idea: