I was using your OTA updater on a project of mine recently, it's working well but it looks like you've deleted the entire project on github now? Will it be coming back?

Hi WiFive,

read the article, seems very interesting.
Allocating an external interrupt will always allocate it on the core that does the allocation.

https://esp-idf.readthedocs.io/en/latest/api-reference/system/intr_alloc.html
Can anyone point me to a example?
Just googled for a sort of hands on ...

Could you try the latest Arduino ESP build? A rewrite of I2C was merged recently that is significantly better.

It can now be installed via the board manager if you are using Arduino IDE:
https://dl.espressif.com/dl/package_esp ... index.json