I have the same problem, accidentally the esp32 transmission from MCP23017 hangs.
It stops working after some time - randomly. I have not found a solution still
Search found 2 matches
- Sun Sep 16, 2018 12:49 am
- Forum: General Discussion
- Topic: i2c randombly fails
- Replies: 19
- Views: 42103
- Sun Sep 16, 2018 12:39 am
- Forum: General Discussion
- Topic: i2c instability
- Replies: 9
- Views: 15712
Re: i2c instability
Has anyone solved the problem with the hanging MCP23017 on ESP32 and the Arduino IDE platform?