Bildquellen:

https://pixabay.com/photos/electric-wiring-elektrik-wire-4198293/
https://pixabay.com/photos/smart-home-system-man-person-3871774/
https://pixabay.com/photos/alternative-blue-cell-clean-eco-21581/
https://pixabay.com/photos/mirror-led-lights-bathroom-6078050/
https://pixabay.com/photos/electrician-wiring-installation-3273337/
https://pixabay.com/photos/electric-wiring-elektrik-wire-4198293/
https://pixabay.com/illustrations/set-top-boxes-conference-828550/
https://pixabay.com/photos/solar-system-roof-power-generation-2939560/
Photo by Sebastian Scholz (Nuki)