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

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By QuickFix
#68169
RFZ wrote:UART would be okay, but I prefer to not use it, because I program via UART and my design will have a USB 2 UART chip on it.

The ESP8266 has two UARTs: the second UART is actually designed for debugging and is on GPIO13 (RX) and GPIO15 (TX). :idea: