I heard that the ESP32-WROOM-32UE has been revised as a security measure.

problem
Vulnerability to physical attacks on older products
https://limitedresults.com/2019/11/pwn-the-esp32-forever-flash-encryption-and-sec-boot-keys-extraction/

If the following conditions are met,
Shipped in the past
The ...

Thank you very much for contacting me.

This problem
Is it possible that there is a shortage of current?

The power supply is 500mA.
However, other microcomputers are connected.

Main body from the outside
There is no blame for being touched

Only communication from the ESP32 to the server
Because ...

ESP32-WROOM-32U Stable with mqtt To communicate with the server (AZURE etc.)

What do you need?

Especially in places where nothing is entered
Controlling pull-up
Is there anything I have to do?

I want to know.

Others due to ground problems on the circuit, etc.
In the problems that arise
If there ...

detail

The program is created with Arduino and
I'm writing.

Transmission format MQTT
am.
The following will happen.
Operate about 30 units with the same board and the same program,
I wrote the program and it worked fine. after that
Keep working,
About 20 hours later
Only one
Wifi does not connect ...