Martin Král

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Martin Král
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11 New MacGyver-Style Mountain Bike Hacks

11 NEW mountain bike hacks that will have you primed for two-wheeled adventures, saving mad cash and feeling like MacGyver.

How to Convert a Computer ATX Power Supply to a Lab Power Supply

How to Add Variable Voltage to Your ATX Based Bench Power Supply. If you've built a bench power supply using an old ATX computer power supply, you may feel limited by the choice of voltages + + and +/- DC.

You've heard the word "server" thrown around a lot, but usually in the context of web sites or big companies that have a lot of data to store. In reality, a server can be just as useful in your home. In this guide, we'll walk through how to create your own home server out of an old or cheap computer that can do all your downloading, streaming, and backup tasks 24/7.

You've heard the word "server" thrown around a lot, but usually in the context of web sites or big companies that have a lot of data to store. In reality, a server can be just as useful in your home. In this guide, we'll walk through how to create your ow

Circuit Diagram of Automatic Battery Charger

battery charger electronics forum circuits - 28 images - problems with a simple charger circuit, 3 lithium ion battery charging circuit variable circuit problems page 3 nimh battery charger electronics forum,

Should you choose a constant current or constant voltage LED driver? Click the pin and learn today!

One important choice is that of choosing a constant current LED driver versus a constant voltage LED driver.

10 Watt High Power LED with an Arduino

10 Watt LEDs need to be current controlled. This article will show you how to accomplish this with an Arduino. Includes schematics and sample sketches.