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

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By dayzman
martinayotte wrote:It is a 3.3V nominal device, so output voltage is quite the same. Specs says 0.8 x VDD for minimal Voh with a Imax of 12mA.

I see. So is the input voltage to the GPIO also 3.3V?