Discover how to build a simple DIY water-powered electricity generator at home using accessible materials. This step-by-step ...

Learn how to make a simple hand-cranked power generator from scratch using basic materials like DC motors, a wooden base, an LED panel, and common household items. This step-by-step DIY project ...

Last month, I talked about how to get started with mBed and ARM processors using a very inexpensive development board. I wanted to revisit mBed, though, and show something with a little more substance ...

How many of you plan to build a wind-powered generator in the next year? Okay, both of you can put your hands down. Even if you don’t want to wind your coils manually, learning about the principles in ...

A design idea for a white-noise generator is realized and revised. Two low-noise amplifiers (LNAs) in cascade amplify the noise produced by a reverse-biased Zener diode operating in junction-breakdown ...