Basic 4 AA Solar Battery Charger Plans
In this article you will find we made a very simple solar battery charger for 4 AA rechargeable batteries using a small 6 Volt solar panel. A labelled photograph of the completed charger is provided at the end of the article.
nb. An introduction to Solar …
Star Delta Wiring for Alternators
If you plan to make your own three-phase alternator (generator) for a wind turbine or hydro-powered waterwheel then one of the key decisions to make is whether to connect the wires in Star or Delta configuration.
Star
With star the start of each of the three phases …
UK Renewable Energy Degree Courses
As the importance of renewable energy has increased over recent years, more renewable energy degree courses have been added by UK university physics, engineering and other departments. Now it is possible to do a dedicated undergraduate and postgraduate (taught and research) renewable energy degree made …
Lemon Battery
It is possible to make a simple battery from a lemon. This is a very simple experiment and requires no expensive or complex equipment.
A basic battery consists of two different metals suspended in an acid solution. For our experiment a lemon (citric acid) or vinegar …
Building Your REUK 3 Phase Bridge Rectifier
These are the instructions for putting together the 3 Phase Bridge Rectifier Kit available from the REUK Shop. Please read them through fully before starting to assemble your bridge rectifier kit.
Identifying the Kit Components
The kit is made up of three main components. Three MB356 35 …
V3 Power Wind Turbine Building Workshops
V3 Power are a DIY renewable energy cooperative, who run courses teaching people about small scale renewable energy technologies. Their main activities are how to build a wind turbine courses, other activities include building and running courses in solar water heating, off-grid electrical systems, bike …
Make A PICAXE Repeating Timer
In our articles Timer Circuits with 4060B, Repeat Timer Circuit we looked at how simple timers can be made which will control an output - e.g. something small like an LED, or a relay which can in turn switch absolutely anything.
For all but the very …