I currently use an ESP8266 DevKit board as enOcean gateway that is connected via WiFi. Since the WiFi connection is not available 24/7 I intend to switch to a wired LAN connection instead. A serial connection to the OH machine I not really an option since the gateway would be too far away from my sensors then.
It might kinda-sorta work, but I would not trust it ever. Or might just never work. Small potential of overheating.
Don’t make problems for yourself, just do it right and use matching stuff to begin with.
A proper 48V PoE switch is not that expensive, and if this project is a success you’re future proof against the next.
Nope, it’s a dumb power splitter. Ethernet signalling is just passed through.
As I understand it you need an ethernet shield for the ESP.
RS485 is long range serial, but you’d need adaptors and choose some serial comms system. Might as well go ethernet.
Thank you for your replies. Just one correction: I meant “NONE of these…” instead of “One of these…” I would not want to risk using non matching equipment, don’t worry
However:
Yeah now that you mention it it is quite obvious that this cannot be the solution
Thank you I’ll have a closer look. However this would require me to port the software i’m using to the esp32. Though I maybe might be able to do it I don’t intend to spend too much time on this so I’ll have to see whether this is a road I want to take. However I do not need POE, this was just a matter of making it more convenient.
I thought about that already but I don’t know whether I would still be able to connect my enoceanPi module then.
EDIT: I ordered some W5500 Ethernet shields now and I will try to get this running on an esp32. I will post my results here. Thanks again for your help!
Not likely. the PoE 802.3af standard requires certain signaling to determine the power classification needed for the device. ( max power range 4 W - 15.4 W).
I got my gateway working now with an esp32 and a w5500 shield. It was not to much coding to switch from an esp8266 and from WiFi to Ethernet so it worked pretty smoothly.
Now I think I should be practicing my non-existent soldering skills to make this a bit more robust
Is it possible that the use of the Ethernet shield can have a significant negative impact on the reception quality of the antenna of the enoceanPi shield?
I hardly receive any signals from the above floor anymore which was working fine with WiFi.