Hmm it works for me using task to read incomming data. What speed are you using ? Do you have the same problem with lower speed ? What about the physical wire, is that on a PCB or long/short jumper wired ? Here is sample code, I reach slave device every 100 ms (function is called 2 slaves at differ...

WiFi and bluetooth are normaly used to communicate between boards 😉 If you need a wired connection, then it will depend on your requirement, speed, data size ect. ? I have testede serial between two esp32 and it works fine. What issue/problems do you have using serial ? And what have you tryed to o...

Hello Me and my colleagues have been trying to communicate two ESP32 Boards for a very long time (started using Serial Communication RS232/485 continued with TwoWire). We have invested huge amount of time in the development process. There have been lots of BUGs, we have tried to overcome with softwa...