gpio output

[JimmyO]

Hello,

What is the electronic wiring of an output?
Is it a Open collector or a totem-pole ?
or open emitter or other else.

can i use it as tristate ?
on, off, nothing ?

Thanks
Jimmy

[ESP_houwenxiang]

Hi,
It can work in tristate mode.
output 0, output 1, and tristate(disable the output)