| My gas boiler is an instant heat type which warms the water directly as it flows through. In order to properly adjust the system I needed...
Elektor LABS (78)
| Have you ever thought of amplifying LED light? Here we do it, with just about any low-current LED driving signal at the input and a 100-watt...
| It’s often little things that make outdoor living more amenable. This circuit makes it presence felt vociferously when the fixed electricity...
| How do you build a generator using only a few components while obtaining the lowest possible distortion? Here follows the account of the p...
| It is said that the sight of flames flickering from an open fire or the sound of the ocean rhythmically breaking on a beach has a calming a...
| The headsets used in light aircraft are subjected to some pretty rough treatment, particularly in flying training: repeated connections a...
| An audio drive indicator, especially with a Hi-Fi installation, can be a very handy instrument to check whether there is any overload pres...
| Although the content published on this website has been written with great care, no liability is assumed for any error, loss or damage cause...
| This distinctive variation of a Christmas tree is made from a thin printed circuit board, which is cut in the shape of a spiral. This is...
| With the help of a quad opamp, a bi-color LED and a few passive components you can quickly build a simple signal level meter which has thr...