Category Archives: high voltage

Swap Your Microwave for a High Voltage Stereo

When building a new project, common wisdom suggests to avoid “reinventing the wheel”, or doing something simple from scratch that’s easily available already. However, if you can build a high-voltage wheel, so to speak, it might be fun just to see what happens. [Dan] decided to reinvent not the wheel, …read more

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Posted in audio, capacitor, danger, fire, high voltage, magnetron, microwave, science, speaker, vacuum tube | Leave a comment

Washing Your Hands with 20,000 Volts

These last few weeks we’ve all been reminded about the importance of washing our hands. It’s not complicated: you just need soap, water, and about 30 seconds worth of effort. In a pinch you can even use an alcohol-based hand sanitizer. But what if there was an even better way …read more

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Posted in bacteria, corona discharge, decontamination, high voltage, ozone, science | Leave a comment

Enforce Social Distancing with High Voltage

When getting parts together for a one-off project, we often find ourselves with some leftovers on hand. Most of the time these things go in the junk drawer, but [Brad] aka [AtomicZombie] was working on a project which required parts salvaged from several microwave ovens. That left him with enough …read more

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Posted in capacitor, high voltage, magnetron, Medical hacks, microwave, safety, social distancing | Leave a comment

A DIY Stun Gun You Probably Shouldn’t Build

In these troubled times, when a trip to the grocery store could turn into a brawl over toilet paper, you might be inclined to build yourself a low-cost electroshock weapon. Or at least, that’s what [Alex Zidros] did. We don’t necessarily recommend you follow in his footsteps, and we’re certainly …read more

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Posted in dangerous, high voltage, stun gun, transformer, weapons hacks | Leave a comment

Visualizing Energy Fields with a Neon Bulb Array

Everyone knows that one of the coolest things to do with a Tesla coil is to light up neon or fluorescent tubes at a distance. It’s an easy and very visual way to conceptualize how much energy is being pumped out, making it a favorite trick at science museums all …read more

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Posted in array, energy, FIELD, high voltage, neon, science, tesla coil | Leave a comment

Pavlok Gets a Literally Shocking Teardown

Apparently, there is a wrist-mounted device that delivers electric shocks to the wearer when it receives the appropriate command over Bluetooth. No, it’s not part of some kind of house arrest program. If you can believe it, the gadget is actually intended to help break bad habits or wake up …read more

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Posted in fitness tracker, high voltage, nRF52832, smartwatch, teardown, wearable, wearable hacks | Leave a comment

Mr. Carlson Gets Zapped by Snow

As a Canadian, [Mr. Carlson] knows a thing or two about extreme winter weather. Chances are good, though, that he never thought he’d get zapped with high voltage generated by falling snow.

[Mr. Carlson]’s shocking tale began with a quiet evening in his jam-packed lab as a snowstorm raged outside. …read more

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Posted in arc, discharge, high voltage, misc hacks, radio, RF, snow, statis, triboelectric, weather | Leave a comment

Drive A Plasma Ball With An ATV Ignition Coil And A 555

[Discrete Electronics Guy] sends in his short tutorial on building a high voltage power supply from simple things.

The circuit is a classic, but we love the resourcefulness shown. The ignition coil comes from a three wheeler, the primary power supply is a ATX supply from a computer and the …read more

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Posted in 555, high voltage, how-to, ignition coil, plasma bulb | Leave a comment

Simple Acrylic Plates Make Kirlian Photography a Breeze

We know, we know – “Kirlian photography” is a term loaded with pseudoscientific baggage. Paranormal researchers have longed claimed that Kirlian photography can explore the mood or emotional state of a subject through the “aura”, an energy field said to surround and emanate from all living things. It’s straight-up nonsense, …read more

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Posted in acrylic, capacitive coupling, corona, corona discharge, dielectric, high voltage, kirlian, misc hacks, tesla coil | Leave a comment

Build Your Own Plasma Ball

The simple plasma ball – it graces science museums and classrooms all around the world. It shares a place with the Van de Graaf generator, with the convenient addition of spectacular plasma rays that grace its spherical surface. High voltage, aesthetically pleasing, mad science tropes – what would make a …read more

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Posted in 2019 Hackaday Prize, Hackaday Prize, high voltage, how-to, plasma, science | Leave a comment