openHAB MQTT Ethernet Gateway & ESP-01?

[AndyRoo]

Hi, the reason I listed those links was to show you the modules I have, and that is the store which I bought them from, I thought maybe someone could suggest an alternative module.

I am not quite sure I understand your first paragraph, could you explain a bit more? It sounds as though you are telling me I should do what I am already planning to do.

I am not planning to use only the ESP-01 by itself, considering I can buy Uno's for about $10 and the wifi module for $9 plus a sensor for $5 it is cheap enough to have uno's for each room.

[hek]

You should actually run the MySensors library IN the ESP module, the Arduino is not needed on those nodes. Using the Serial AT-interface is currently not supported (It's infamous for being very unstable).

So, your setup should look something like this:

[AndyRoo]

@hek Ok so I have to either buy a ESP8266 module with more pin outs or buy the programming board for the ESP-01 in order to make this work?

[hek]

Yes, I bough one of these a few months ago:
http://www.ebay.com/itm/ESP8266-ESP-01-Programming-and-Development-Tool-Board-Auto-reset-/321830899735?hash=item4aee9dd017
...but I haven't had a chance to test it yet.

But I'd probably recommend the NodeMCU board.

[AndyRoo]

@hek How about programming the ESP-01 with an arduino?
http://www.instructables.com/id/Getting-Started-With-the-ESP8266-ESP-01/?ALLSTEPS

[hek]

Absolutely, also works!

Or using a FTDI board if you got one.

[AndyRoo]

@hek Awesome, so after the ESP-01 is ready to go, am I still able to use the my sensors library? And the guide on building the MQTT gateway?

[hek]

I haven't tried it myself on an ESP-01. But yes, in theory ;)

And use the development branch, which support turning off the NRF radio driver which is needed in your case.

[AndyRoo]

Great, I'll let you know the results once I figure it all out. Thank you for your help :)

[AndyRoo]

Ok so I have an update:

OpenHAB and MQTT are both up and running perfectly along with the Ethernet Gateway. :D Everything is talking to each other.

Now, I want a ESP-01 on the Ethernet shield to send commands to other Arduinos with an ESP-1. I am able to send/receive data from MQTT and the Ethernet but I am not sure how to write the Gateway sketch to receive a command via Ethernet from MQTT and then to send it via WiFi ESP-01 to another Arduino with a WiFi ESP-01.

Suggestions?

I know it is possible somehow, but I just can't find anyone else who has done this. The ESP-01 is the cheapest and most accessible module, I really dont want to use anything else.