https://github.com/espressif/arduino-esp32/issues/834
stickbreaker is already on it

@fly135: Yes - normally it works fine!
But there are several known flaws (eg i2c Write Issue #834) in the i2c implementation within esp32... and one of them is really nagging me

Aaargh cant believe how obviosly

Thanks Kolban - that makes it clear to me of course! Now I can go on and have a look why i2c seems to freeze the whole esp32 chip every now and then...

Hi folks!

I am playing around with a project and i2c is just driving me nuts. I get occasional freezes of the whole ESP32 what is a show stopper.
As a rookie I want to learn and try to understand what is going wrong - so I bought a cheap scope and logic analyzer.

For pinning down the problems I ...

After reading more literature, I got an idea: Maybe its all that timecritic bitbanging stuff going on for the HX711 scales... - while it looks for me as its "non blocking" code it seems to trigger that watchdog...

Hi folks!

I am a little desperate with my project - maybe one of you has a good pointer for me?

Hardware setup:
I am using a ESP32 Devkit V1 - connected GPIOs:


i2c SCL 22
i2c Data 21
ACS712 sensor 39
HX711 Scale 3 SCK 35
HX711 Scale 3 DT 32
HX711 Scale 2 SCK 33
HX711 Scale 2 DT 25
HX711 Scale ...