All items tagged with Energy and Elektor Energy (65)

1-01-2008 | As opposed to the good old light bulb, a CFL needs an amount of electronics to start and light properly. Here we show a suitable circuit. Th...

1-01-2008 | How much power does your modern LCD or plasma TV use when it is on? And how much when it is supposed to be 'off'? If you want to be...

1-01-2008 | The amount of electronics in industrial and domestic areas increases worldwide, but on the other hand fossil resources, our basic sources of...

1-09-2007 | The Wireless Energy Monitor consists of several sensors with a transmitter and a receiver. The transmitter and the sensors are placed in the...

1-04-2007 | ‘Save energy!’ is a much-heard slogan these days, with rising oil prices and the greenhouse effect always in the news. Research has taken pl...

1-04-2007 | It’s too good to be true, and the laws of thermodynamics say it isn’t true, but it’s still a persistent dream: free energy. It also seems a...

1-03-2006 | If a relay is driven by a transistor switching stage it is usual to connect a flywheel diode in parallel with the coil to short out the back...

1-03-2006 | When dealing with relays we distinguish between the pull-in voltage and the hold voltage. Depending on the type of device, the latter is fro...

1-12-2005 | Miniature radio controlled cars are great fun for the armchair rally enthusiast but once the novelty has worn off or the car suffers a mecha...

1-07-2005 | If the effort of chasing out channels and replastering for a complete new circuit is too much, then this circuit might help. Normal operatio...