I do not know how to play music. But I still can play with music. It all started with a long time regret. My parent did not offer me music lessons when I was a kid. So I do not know how to play music, but I still can play…

Automatically feed all excess solar energy, and only excess, into existing electric heaters. See Part 1 Grid status reading The automation application needs to know the direction and intensity of the current flowing between the grid and the home, whether the current is drawn from the grid, or exported to the grid. There…

It will tell you if your hives are making honey It all started several years ago with an old dream: to have my own hives and make my own honey. I took training (it’s a trade), and had 3 hives for a couple of years. My record is 50kg of…

Figure out from your coach, with a DIY solution. It all started with a life or death question, how much hot water do we have for showers ? I know very few people ever wonder, they take it for granted.

This used to be operated by the (Grenoble — France) university (geological department). Abandoned since the early 80's. Entrance (normally) prohibited

Back in 2021, I developed an ESP32/MicroPython project to get a sense on whether my solar water heater was filled with hot water (ready for showers), or just lukewarm water. Lukewarm means trouble with my partner and I don’t even mention cold water… This worked flawlessly until .. …

Use solar to water your garden July 2023. A heat wave is covering Europe. What a wonderful opportunity to build a watering system for my garden! A remotely controlled one, meaning I can water when away from my house. Of course, one can buy such a system for a couple…

connect grid energy meter and battery via wifi I just added an Energy Storage System (ESS) on my self consumption solar installation. The purpose of an ESS is to store excess solar in a battery during the day , and discharge the battery to provide power to the home at…

get to sleep in total anxiety Bon anniversaire Marine