How to debug our app when RX/TX is already used (by, for example, an ESP8266)?

in tutorial see people communication esp8266 via arduinos rx/tx pins.

but rx/tx pins used put debug information computers terminal app.

what do if want have both
- communicate esp8266 via rx/tx
and
- connect pc terminal app arduino
?

you can use softwareserial communicate esp8266 on 2 pins want.  frees rx/tx can used ide console or whatever using debug.

Arduino Forum > Using Arduino > Networking, Protocols, and Devices (Moderator: fabioc84) > How to debug our app when RX/TX is already used (by, for example, an ESP8266)?

arduino