I needed to read out temperatures on several positions. The temperature should be parsed to a domotica system (Crestron/AMX). The solution shouldn't cost too much. This way I decided to use DS18B20 sensors because these are widely availlable and fairly cheap. Last but not least, it's a bus system.
The sensors are connected to an Arduino Nano. The Serial output of the Arduino (ttl) is converted to RS232 to make it compatible with the domotica system.
To make it all look nice I designed a case and printed it on my Zortrax M200 3D printer.
Questions? Feel free to ask!