after the sketch had been down loaded, it was blank. However, I realized that the text had been and gone before I opened the monitor and I just pressed the reset button on the ESP32 board and up came the text as you specified. I wonder is this would be of help...
can I install MQTT broker on pi zero 2 W ? I try it without succes, I first run the apt update && apt upgrade command, but after download over 1GB of date, 7 minutes or so, it restart or something because there was no signal on hdmi out, the on board led seems to indicate some...