Magnetic Transformer Secrets [Sam Ben-Yaakov] has another lecture online that dives deep into the physics of electronic processes. This time, the subject is magnetic transformers. You probably know that the ratio of current …read more #hacking #projects

Hackaday

Magnetic Transformer Secrets

[Sam Ben-Yaakov] has another lecture online that dives deep into the physics of electronic processes. This time, the subject is magnetic transforme...

Plug Into USB, Read Hostname and IP Address Ever wanted to just plug something in and conveniently read the hostname and IP addresses of a headless board like a Raspberry Pi? Chances are, a free USB port is more …read more #hacking #projects

Hackaday

Plug Into USB, Read Hostname And IP Address

Ever wanted to just plug something in and conveniently read the hostname and IP addresses of a headless board like a Raspberry Pi? Chances are, a ...

Giant Neopixel Is Just Like The Regular Kind, Only Bigger Neopixels and other forms of addressable LEDs have taken the maker world by storm. They make it trivial to add a ton of controllable, glowing LEDs to any project. [Arnov …read more #hacking #projects

Hackaday

Giant Neopixel Is Just Like The Regular Kind, Only Bigger

Neopixels and other forms of addressable LEDs have taken the maker world by storm. They make it trivial to add a ton of controllable, glowing LEDs ...

3D Printing and Metal Casting are a Great Match [Chris Borge] has made (and revised) many of his own tools using a combination of 3D printing and common hardware, and recently decided to try metal casting. Having created his …read more #hacking #projects

Hackaday

3D Printing And Metal Casting Are A Great Match

[Chris Borge] has made (and revised) many of his own tools using a combination of 3D printing and common hardware, and recently decided to try meta...

Pufferfish Venom Can Kill, Or It Can Relieve Pain Tetrodotoxin (TTX) is best known as the neurotoxin of the puffer fish, though it also appears in a range of other marine species. You might remember it from an episode …read more #hacking #projects

Hackaday

Pufferfish Venom Can Kill, Or It Can Relieve Pain

Tetrodotoxin (TTX) is best known as the neurotoxin of the puffer fish, though it also appears in a range of other marine species. You might remembe...

Tearing Down Walmart’s $12 Keychain Camera Keychain cameras are rarely good. However, in the case of Walmart’s current offering, it might be worse than it’s supposed to be. [FoxTailWhipz] bought the Vivitar-branded device and set about …read more #hacking #projects

Hackaday

Tearing Down Walmart’s $12 Keychain Camera

Keychain cameras are rarely good. However, in the case of Walmart’s current offering, it might be worse than it’s supposed to be. [FoxT...

A Brief History of the Spreadsheet We noted that Excel turned 40 this year. That makes it seem old, and today, if you say “spreadsheet,” there’s a good chance you are talking about an Excel spreadsheet, …read more #hacking #projects

Hackaday

A Brief History Of The Spreadsheet

We noted that Excel turned 40 this year. That makes it seem old, and today, if you say “spreadsheet,” there’s a good chance you a...

Mass Spectrometer Tear Down If you have ever thought, “I wish I could have a mass spectrometer at home,” then we aren’t very surprised you are reading Hackaday. [Thomas Scherrer] somehow acquired a broken …read more #hacking #projects

Hackaday

Mass Spectrometer Tear Down

If you have ever thought, “I wish I could have a mass spectrometer at home,” then we aren’t very surprised you are reading Hackad...

All-Screen Keyboard Has Flexible Layouts Most keyboards are factory-set for a specific layout, and most users never change from the standard layout for their home locale. As a multilingual person, [Inkbox] wanted a more flexible …read more #hacking #projects

Hackaday

All-Screen Keyboard Has Flexible Layouts

Most keyboards are factory-set for a specific layout, and most users never change from the standard layout for their home locale. As a multilingual...

Hackaday Links: December 14, 2025 Fix stuff, earn big awards? Maybe, if this idea for repair bounties takes off. The group is dubbed the FULU Foundation, for “Freedom from Unethical Limitations on Users,” and was …read more #hacking #projects

Hackaday

Hackaday Links: December 14, 2025

Fix stuff, earn big awards? Maybe, if this idea for repair bounties takes off. The group is dubbed the FULU Foundation, for “Freedom from Une...