Variable capacitors may be useful, but the air gap that provides their capacitance is their greatest weakness. Rather than deal...
hackaday
Today in power electronics, the folks over at Texas Instruments have put together a video covering low-dropout (LDO) linear regulators....
You can hear sound, of course, but what if you could see it with a laser? That’s what thought about,...
You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had...
Many projects on these pages do clever things with video. Whether it’s digital or analogue, it’s certain our community can...
We are all familiar enough by now with the succession of boards that have come from Raspberry Pi in Cambridge...
tells us about the FORBIDDEN Soviet Computer That Defied Binary Logic. The Setun, the world’s first ternary computer, was developed...
Hardware hackers tend to have loads of hookup wire, and that led to design a 3D printable wire and cable...
What can one expect from 3D printing an 8″ Newtonian telescope? shares her thoughts after doing exactly that. The performance...
Before the Raspberry Pi came out, one cheap and easy way to get GPIO on a computer with a real...
Space telescopes are all the rage, and rightfully so. The images they take are spectacular, and they’ve greatly increased what...
There’s no accounting for taste, but it’s hard to argue with The Autopian when they declare that this Nixie tube...
’s Composite Test Pattern Generator is a beautifully-made, palm-sized tool that uses an ESP32-based development board to output different test...
Everyone loves a full-wave bridge rectifier, but there’s no denying that they aren’t 100% efficient due to the diode voltage...
An oscilloscope is usually the most sensitive, and arguably most versatile, tool on a hacker’s workbench, often taking billions of...
There are a lot of options for local weather stations; most of them, however, are sensors tied to a base...
Over on ScienceDaily we learn that an international team of scientists have turned a common semiconductor germanium into a superconductor....
One part wants 3.3V logic. Another wants 5V. What do you do? Over on the YouTube channel, there’s a recent...
Although Robert F. Kennedy gets the credit for popularizing it, George Bernard Shaw said: “Some men see things as they...
As an electromagnetic radiation phenomenon, it’s perhaps not so surprising that light is affected by a magnetic field. This Faraday...
What might a laptop version of the Commodore 64 have looked like if one had been released by the late...
has another lecture online that dives deep into the physics of electronic processes. This time, the subject is magnetic transformers....
Looking for an educational microcontroller board to get you or a loved one into electronics? Consider the tinyCore – a...
As technology marches on, gear that once required expensive lab equipment is now showing up in devices you can buy...
We have probably all been there: digging through boxes full of old boards for projects and related parts. Often it’s...
