![]() Thank you for your support of future tutorials. 4.7kOhm resistor and others depending on how many sensors you use.ĭisclaimer: If you use the links above, I get a very small percentage from Amazon.But you can also just solder it directly to the arduino. DS18b20 OneWire sensors like these temperature sensors, or these temperature sensors. ![]() Arduino Nano (ProMicro, Uno will probably also work, but minimal changes in code might be needed).You don’t need to have to solve those problems, you can use this solution. ![]() Thanks to the great work of the people in the KNX-Userforum and the authors of libraries like the KNX library, the OneWire library, the 2438 Library and tutorials like the ones from Hackatronics it was possible.īasically to make a OneWire to KNX Bridge is not difficult, but it still took me a while to get the Arduino code right and to solve a couple of problems with providing power to 30 sensors and the pullup resistors. ![]() Weirdly enough, there is no industrial solution to connect a OneWire Bus with a KNX Bus. ![]()
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