How to add GPIOs to ESP8266 ESP-01

On video adding GPIO 4

[@fabiosoarespires2534]

Nice. One more to help. I knew two more. with this is three now. Thank you!

[@MarcinMiedziejko]

Mega akcja :-) Nawet grotu nie zmieniliście...

[@raa3191]

hi Good day. I would like to ask if is it possible to digital pins of arduino mega using esp8266-01????

[@noimnotarobotcanubeleiveit7024]

had to do this surgery to a rtlsdr to get iq input. my old hands shake too much now.

[@saberibrahim8263]

how to use GPIO3 as input

[@Ahmedhkad]

Hah, so hard work!!! you didn't explained the pin position and uses

[@dktr2]

GPIO4 - General Purpose Input/Output, you can use for anything.

[@AntonioCorrenti]

Looks like the most difficult thing you did in your life LOL :-)