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Hardware
Warren Gay edited this page Nov 17, 2015
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The following illustrates the connections that need to be made. Be sure to use the hardware flow control hookup and enable it when working with the software driving the ESP device. Failure to do so will mean lost information and software hangs as it waits forever for events that will never occur.
MCU/USB ESP8266
-------- -----------------
TX --------------> RX
RX <-------------- TX
RTS(1)------------> GPIO15 (UART0_RTS)
CTS(2) <----------- GPIO13 (UART0_CTS)
OTHER
-----
+3.3V ----> CH_PD (or "EN")
+3.3V ----> RST (low to high to reset)