[eval : february]

In the last two weeks I did not invest that much time into programming but was vacationing in the Austrian Alps instead. Nice for me. Still, I am somewhat finished with an early historic view on metering data on a monthly level. Since I do not want to keep that to myself - especially due…

[eval : charging smart]

Two posts ago, when showing how to do d3 charts, I mentioned that in the graphic presented smart charging was already visible in action. I will present another example from the last weekend where I had the chance to gather more data with the implemented algorithm. The inverter data summary is also updated and looks…

[calc : save what?]

Tomorrow I'll continue with some code. Let's try to answer a question before: what is even worth saving? Where should we try to make devices more efficient and how much should it save that it's practically worth it? In the post from Dec. 30th I showed how much energy some larger consumers will approximately take.…

[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…