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Help choosing a KNX / Arduino board ?

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    Help choosing a KNX / Arduino board ?

    Please forgive me if this has been answered.
    I have my Arduino Uno controlling a RGB LED.
    I want to have the Arduino as a device on the KNX Bus, but I want to be able to turn on and off the LED by pressing another button on a KNX device.

    Can the KNX Arduino boards accept an input from the KNX bus and then turn on and off a LED strip ? If it can accept an input from the bus I can program the LED to turn on and off.

    Any advice?

    Thanks!

    #2
    Solving your problem is actually very simple. You only need an Arduino and a BCU, e.g. this one or a MicroBCU described in the forum. If you install the Konnekting-Lib you will find a suitable demo sketch there, which you may have to adjust a little. More information here.

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      #3
      The most simple way ist this lib: https://github.com/franckmarini/KnxDevice
      With Konnekting you can program group adresses and parameters with a separate tool called Konnekting Suite (like with ETS).
      For ETS support you can choose the way more complex solution https://github.com/thelsing/knx (not on Uno).

      For 5V Uno I recommend using Siemens BCU
      KNX Transceiver für Arduino&Co: MicroBCU2 --- NanoBCU aktuell verfügbar

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        #4
        Can I use one of the KNX Arduino boards?
        Thanks !

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          #5
          So I could use an button press (input) from another KNX device and it could trigger the LED attached to the Arduino and turn on and off ??

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            #6
            Zitat von Shane24 Beitrag anzeigen
            Can I use one of the KNX Arduino boards?
            Which KNX Arduino boards do you mean? I do not know any.

            Kommentar


              #7
              Under Konnekting-> Learn you will find the circuit of an Arduino and a Siemens BCU. The description is in German. The Google Translator can help here . The wiki is in English.

              If you install the Konnekting-Lib in the Arduino IDE, you will find exactly what you are looking for under "Examples".

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                #8
                wanted to also say thank you for the advice above. I don’t have the Siemens piece so I have to buy one of the three boards available. Would one of these also accomplish this??


                KNX Arduino Shield - ON Semiconductor | DigiKey



                Thank you!
                Zuletzt geändert von Shane24; 08.09.2021, 07:19.

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