Hello everybody,

I've tried to create a small breakout board for the ESP32-WROVER-E with (what I believe) only the most minimalistic logics. Unfortunately however, I do get the following error when trying to program the microcontroller: "A fatal error occurred: Failed to connect to ESP32: Timed out ...

Hi,

thanks for your reply!

Yeah, it is a ESP32-WROOM-32U. I've tried another PSRAM64 (because I thought the first one might be damaged), but I am seeing the same behavior there. Is there anything I can do to troubleshoot the problem and find the root cause?

The alternative would be to switch to ...

Hello everybody,

I have connected the PSRAM64H to my ESP32-WROOM-32U as shown in the below schematic.

Selection_136.png

Unfortunately, when I try to run the "himem" example it fails with the following stacktrace:


Rebooting...
ets Jul 29 2019 12:21:46

rst:0xc (SW_CPU_RESET),boot:0x3f (SPI ...

Does nobody have any suggestions on how to improve the WiFi reception?

Hello everybody,

I recently bought a couple of ESP32 development boards in order to measure the WiFi throughput (see this reddit post for details). In total I've tested about 7 boards from 3 different vendors (including some boards from espressif).

While doing that, I've noticed that most of the ...