Let there be light! …when there’s motion

The usual way of operating the lights in your home today is that when you step into a room you turn the lights on by pressing a switch (usually a wall switch) and you turn them off when you leave … Continue reading

Wake up gently to gradually increasing light

The problem Don’t you just hate it when you’re in a deep, relaxing sleep, dreaming of beautiful things… resting… not even remotely close to waking up… and then suddenly, without any preparation or warning, the alarm clock (or phone or … Continue reading

Raspberry Pi rebooting itself when it becomes unreachable from outside networks

Introduction If you have a Raspberry Pi in a remote location, far away from where you are, then it’s important to be able to reach the Pi from the distance (from outside networks) all the time. Unfortunately things can go … Continue reading

Sending emails from the Raspberry Pi

There are many cases when it can be very useful to be able to send emails from the Raspberry Pi to arbitrary recipients. This is not the same as having a real MTA running on the Pi (like Sendmail, Postfix, … Continue reading