Try MQTT. However it requires a "broker" running on another computer to route the messages. EPS's publish a message. Or subscribe to a message. Broker is the middleman routing the messages.

I thought that's what I was doing by modifying the end of the usb cable but now see that the part needs to be converted to usb thus the need for FTDI cable.

How to get data out the rx0/tx0 or rx2/tx2 pins?

Can tx0/rx0 be use to communicate with arduino ide? I want to power the ESP32 from a wall charger and still be able to see debug Serial.print messages in arduino ide. Tried modifying a usb cable to plug into rx0/tx0 but do not see any output on the ide. I want to get higher power from the wall charg...