This is the blog
in the blog you find this and that.....
Sun tracking control system for PV
Universal solar tracking controller, based on a Sun direction sensor. Easy to install, works automatically.
Read moreWashing PV panels: is it worth?
How much power is lost due to dirt on photovoltaic panels? In this experiment part of a 20 kW photovoltaic …
Read moreThe nature of wind
How is the wind originated? why are the cyclones rotating counter-clockwise in the northern hemisphere? Why is the weather in …
Read moreProjects from 2018 to 2017
Here is the list of projects I completed from 2008 to now. If you find some item interesting and you …
Read moreHow to connect a washing-machine asynchronous motor
First of all, these motors have two speeds and the various connections serve to select the speed and reverse the …
Read moreThe carbon cycle: why do we need renewable energy?
A bit of history of the Earth and its atmosphere When forming the terrestrial atmosphere was completely incompatible with life …
Read moreTips for good PLC programming
Advices for making good PLC programs, easy to debug, easy to understand, and safe to run. Before you start coding …
Read moreSpinner anemometer animation
Here you can see 10 seconds of spinner anemometer measurements made on a Vestas V52 850 kW wind turbine installed …
Read moreStar Delta starter for a three-phase asynchronous motor
The Y-D starting is a type of motor startup at reduced voltage which is useful to start the motor smoothly, …
Read moreBike Sharing: love it or hate it?
Many people talk about “success” of Bike Sharing systems. Seeing that when I was living in Barcelona (from March to …
Read moreBiking infrastructure guide – Copenhagen
In Denmark, the technical characteristics of the cycling infrastructure are defined with simple rules, in relation to the speed of …
Read moreEarly projects
List of about 100 electronic circuits I build since when I was 12 years old. Also check my recent projects. …
Read more