How many boards do you have? If it's only one, it may be a fluke (bad soldering, very conductive flux residue, badly soldered pulldown resistor, ...), if you have multiple that do this, it's likely a design thing.



That's part of my problem. The issue is on all of my five boards.

However, I ...

Thanks for you replay, ESP_Sprite! Really appreciate it. I will look into it what could cause C14 to rapidly discharge. Interestingly, whenever WiFI is off (i.e., the ESP32 draws less power) I do not see that behaviour (flickering / C14 discharging).

As for the button press issue: Of course, a ...

Hi,

I am working on an ESP32 based board and running into some issues. I am using the ESP32-Pico-D4 with a custom made PCB. On a first glance, anything works fine with my board. I can program the ESP32, TFT and buttons are working, battery is charging and so on.

There is, however, some voodoo ...