Category Archives: Realisations

(photo by Matthias Freudenreich) The hardware part has been prototyped by Matthias (KNX.Matthias@gmx.de) and is based on Arduino open-hardware . This project is part of a more anbitious plan : fully equip his house with home-made KNX devices (nice idea :-))!  … Continue reading →

If you have several presence sensors in your KNX installation,  you can use them all to get a really accurate “Is is dark in my home?” information. This can be used for instance to switch off/on the orientation LEDs of … Continue reading →

To build our basic KNX push button device, we simply use a push button and a resistor that we connect to the Arduino with a breadboard : Fritzing view : The push button is connected to digital pin 2 so … Continue reading →