Thanks for sharing what you found out!

the RMT_MEM_TX_WRAP_EN applies to all channels and loop around occurs at the end of transmission, i.e when any of the RMT channel buffers hits a 0 length transmission value the channel will loop back to the beginning. For some reason the interrupt that fires ...

What is the diference between RMT_REG_TX_CONTI_MODE and RMT_MEM_TX_WRAP_EN mode?
Should I activate both for continuous mode? Because enabling only RMT_REG_TX_CONTI_MODE in channel config, does not activate continuous sending, while RMT_MEM_TX_WRAP_EN does.

As per my understanding, RMT_CHn_TX_THR ...

Yes, you are 100% right. It works now.
Perhaps I thought that direct writing to some memory regions does not influence allocations made by malloc.

Hello,
I have some issues with SPI RAM on ALB-WROVER module.
"SPI RAM config" in menuconfig is set to "Make RAM allocatable using heap_caps_malloc".
But when I try to do "heap_caps_malloc" in my program I get the "Guru Meditation Error of type LoadStoreAlignment".

My pretty simple code is based on ...

Yesterday I compiled hello world example using latest esp-idf to run it on ALB-WROVER module.
PSRAM was successfully initialized and tested by internal functions.
I have noticed that currently PSRAM only mapped to ESP32 memory space but not available via heap to be malloced.
Looking forward for new ...

nice - you know, that the modul can't connect to a breadboard?
( double pinheader pins left and right are nice but they are different signals from neighboring pin)

You can solder two outer rows of pins on bottom side of board and two inner rows on top

ESP_igrr, is there any performance improvement in 1 bit mode?

If you could name three key things that make the trouble, what would it be?

Can I name one and only?
Inability to use JTAG and SDIO/HSPI at the same time due to intersection of pin functions.

So, question 1:

Yes, the same antenna. You can use BT and WIFI at the same time.
3:
Its seems that the ESP32 has two cores. Can I program those cores to run totally different code with Arduino? If yes, can I exchange info (let's say simple serial data) between those cores internally? Any example ...

It is fed directly by a USB<->TTL module that never had an issue.

That was my problem too.
The peaks in power consumption that you observe might be caused by wifi calibration process.