[plan : smart charger]

After laying some ground work by gathering energy use and production systematically, it's finally time to build up some smartness. I want to use excess energy of PV panels efficiently to charge an electric car. Here I will show you what's the plan and needed beforehand. First, what's needed is a charger that offers a…

[calc : 1 energy please!]

Yesterday I threatened you with some numbers. Here we go. When we want to start a project, we often have to be careful not to over-engineer things. Especially when it comes to energy consumption and you think about better using and saving energy, we have to plan on which systems we'll need additionally and what…

[start with pi]

Before I go a bit into my motivation of why going through the trouble of writing some software myself (spoiler: because I can), I want to kick-start you with some basic know how on how to setup and run such a program. So, this will also be an historic post for myself in five months…

[smart plan : plan smart]

Working in software development professionally sometimes months, even years pass before you manage to code at home 'for fun'. A few weeks ago, it happened to me that I grabbed my mechanical keyboard and got down to business - well the not paying, but strangely satisfying kind. That might sound less exciting than it actually…