Yes, ethernet based ESP32 looks interesting too. The only slight drawback is the ability to daisy chain. As I will have around 20 nodes, I really would need to daisy chain from one node to another in order to avoid taking 20 cables from a large switch. I'll look around and see if there is a three po...

Thanks for your input guys. I had looked at RS485 in the early days but mistakenly got the max distance wrong as now I've looked at it again, I can see it has more than enough. I need to look in to this a bit more but at this stage I don't think there is much difference between RS485 and CAN bus in ...

Hello, Whilst I have dabbled with microcontrollers in the past, I am quite new to ESP so wanted to seek advise as to whether what I want to do is achievable before I embark on a potential waste of time... I have the need to join multiple ESP microcontrollers on a bus system stretching probably total...