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Direct-current generators, especially those based on the Schottky contacts between conductive polymers and metal electrodes, are efficient in converting mechanical stimuli into electrical energy. In ...

Editor’s note—March 2026: With severe winter weather events happening regularly this season, we checked to make sure all of our recommendations are available and in stock, because generators are no ...

Portable generators are useful for a lot of things, from providing power during camping trips to delivering power to job sites to backing up critical circuits in your home during an emergency. They’re ...

In an increasingly unpredictable world, having a reliable source of power at your fingertips is not just a luxury but a necessity. Whether it’s for camping trips, emergency preparedness, or simply off ...

A gas generator offers reliable power whenever and wherever you need it. This can be in the event of a power outage in your home, while on a camping adventure, or somewhere in the great outdoors like ...

A previous Design Idea describes an astable multivibrator that gets hysteresis from the positive feedback stage using a technique you can characterize as positive-capacitive feedback (Reference 1). It ...

I have wanted to make a pulse generator for years. I know you can buy perfectly good ones, but not if you want non-overlapping outputs to drive the mosfets in synchronous-rectified dc-dc converters.