Learn how to make a generator using DC motors in this step-by-step tutorial. Perfect for DIY enthusiasts and beginners, this ...

The cobblestone generator build The cobblestone generator's collection system (Image via Minecraft) This design, by Mysticat, is very simple and easy to make.

Pulse-width modulation (PWM) generators are integrated in nearly every switching power device. This article shows two methods for implementing a stand-alone analog PWM waveform generator. These ...

With a handful of low-leakage passive components and two high-impedance op amps, you can build a sine/square-wave generator with output period of a minute and more.