Software: https://github.com/nDenerserve/SmartPi
Hardware: https://shop.enerserve.eu/smartpi/262/smartpi-2.0?c=45
Sensoren: https://www.amazon.de/SODIAL-SCT-013-000-Nicht-Invasive-Stromsensor-Transformator/dp/B00J2N3GSY/ref=sr_1_4?ie=UTF8&qid=1549359834&sr=8-4&keywords=sct+013-000