More about LED (793)

1-04-2013 | Practically the first thing you are taught about LEDs is that they need a constant current power source. Power LEDs are no different they ju...

1-03-2013 | While setting up a test with his ‘switching 7805 replacement’ project (November 2012 edition) for the purpose of generating some better ‘sco...

26-02-2013 | Please click on the links to download the articles from Elektor.MAGAZINE (log-in required):

26-02-2013 | Please click on the links to download the articles from Elektor.MAGAZINE (log-in required):

22-01-2013 | With elaborate light show and daisy-chain capability.

22-01-2013 | With elaborate light show and daisy-chain capability.

3-01-2013 | Using only permanent magnets and a light source Japanese scientists have succeeded in controlling the motion of a magnetically levitating gr...

1-01-2013 | FPGAs are complex devices, and the tools for programming them are just as complex, so our aim is to help you get started one step at a time....

1-01-2013 | This Ring Light is an illumination source used with webcams, microscopes and photo cameras. It is mounted around the lens to provide an even...

1-01-2013 | The author’s rechargeable battery collection comprises a large number of cells of various types, ages and states. Surely he cannot be the on...