the recommended antenna keep-out clearance

I see now, the good boards have a lot more clearance and they also have small holes. thanks.

May be the same issue: https://esp32.com/viewtopic.php?f=2&t=41899#p137764


Thank you, it worked. I needed also WIFI_STA before and 40/10db.
WiFi.mode(WIFI_STA);
esp_wifi_set_max_tx_power(40);
Dose the cause of the problem is the board circuit? I noticed it different than my other ones and it ...

Hi, I bought a new board and I can only connect to wifi when I touch with my finger (some other objects might also work) above or on the side of the antenna or under the antenna (under the pcb). this is only help when i try to connect to wifi but with esp-now delivery is failed.
I tried a separate ...

There is an option in the tools menu to erase all flash before sketch upload. Try that. It should clean up any damaged coredump partitions.

It fixed the problem, thank you.

The full error: "E (149) esp_core_dump_flash: Incorre␞␆.��镁of core dump image: 0 "

What does this error mean? The board worked fine for a week. It's nothing to do with my project. i tested with another, same board and it doesn't show the error. I also tried a new empty project. I tried to clear ...