The Sanskrit Square Root Algorithm Years ago, no math education was complete without understanding how to compute a square root. Today, you are probably just reaching for a calculator, or if you are writing a …read more #hacking #projects image
Investigating Soldering Iron Phantom Voltage Just because you are paranoid doesn’t mean people aren’t out to get you. Do you think your soldering iron is after you? Well, [nanofix] asks (and answers): Is My Soldering …read more #hacking #projects image
Testing Whether Fast Charging Kills Smartphone Batteries, and Other Myths With batteries being such an integral part of smartphones, it’s little wonder that extending the period between charging and battery replacement has led to many theories and outright myths about …read more #hacking #projects image
2025 Component Abuse Challenge: Playing Audio on a Microphone Using a speaker as a microphone is a trick old enough to have become common knowledge, but how often do you see the hack reversed? As part of a larger …read more #hacking #projects image
The Strange Depression Switch Discovered Deep Inside The Brain As humans, we tend to consider our emotional states as a direct response to the experiences of our lives. Traffic may make us frustrated, betrayal may make us angry, or …read more #hacking #projects image
RP2040 From Scratch: Roll Your Own Dev Board Magic Have you ever looked at a small development board like an Arduino or an ESP8266 board and thought you’d like one with just a few different features? Well, [Kai] has …read more #hacking #projects image
“AI, Make Me A Degree Certificate” One of the fun things about writing for Hackaday is that it takes you to the places where our community hang out. I was in a hackerspace in a university …read more #hacking #projects image
Switch Switch 2 to CRT Have you ever imagined what the Nintendo Switch would look like if Nintendo had produced it in the mid-1990s? [Joel Creates] evidently did, because that’s exactly what this retro CRT-toting …read more #hacking #projects image
An Unnecessary (But Cool) Processor [Bob] calls his custom 16-bit computer “Bob’s Unnecessary Retro Processor” or BURP for short. While we suppose it is technically unnecessary, we love the look of it, and we hope …read more #hacking #projects image
Recreating the Destroyed Case of LGR’s Rare 1980s Laptop A while back [Clint Basinger] of Lazy Game Reviews fame purchased a rare 1980s Halikan laptop. When he received the parcel, at first glance, everything seemed in order. Upon opening the …read more #hacking #projects image