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Maybe i was not 100% clear what i need to do . For the moment there is a Ardruino mini wich is taking power from the domotica interface . But i need to use a Arduino Uno or Mega and that one cannot be powered by the KNX Bus since the higher current needed.
I have read that it is not allowed to...
Hello,
I am looking for a working schematic . I have a arduino that i want to connect to a domotica interface pins RX-TX are used to do the connection.
The system is working for the moment with a arduino mini without optocouplers between rx-tx since the arduino mini is using a small current and...
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