Robert Ehrhardt

Blue Hour (Solar Photography Calculator)

The Blue Hour describes a period of dawn and dusk, when the sky is colored specially which is very interesting for photography. The...

April 18, 2020 By Robert Ehrhardt

Password Safe and Manager

Annoyed of forgetting your access data for hundreds of services, apps and co.?Do you want a secure way of storing and organizing all...

October 14, 2019 By Robert Ehrhardt