Collaborate Disseminate
If you have an FDM printer that features multiple hotends or can otherwise switch between different filaments, you’ve surely thought about using the capability to lay down dedicated support material. …read more Continue reading Dual Extrusion Support without PVA
Magnetic loop antennas are great if you are limited on space since they are just a potentially small loop of wire. The problem is, they are sharply tuned. You normally …read more Continue reading Mag Loop Antenna has a Brain
You might think assembly language on a PC is passe. After all, we have a host of efficient high-level languages and plenty of resources. But there are times you want …read more Continue reading It isn’t WebAssembly, but it is Assembly in Your Browser
Someone wants to learn about Arduino programming. Do you suggest they blink an LED first? Or should they go straight for a 3D laser scanner with galvos, a time-of-flight sensor, …read more Continue reading The Hello World of GPT?
There was a time when you saw someone walking down the street talking to no one, they were probably crazy. Now you have to look for a Bluetooth headset. But …read more Continue reading My Glasses Hear Everything I’m Not Saying!
While Dyson makes some good products, they aren’t known for being economical. Case in point: [Integza] spent $500 on a hair dryer. While he does have a fine head of …read more Continue reading Dyson Hair Dryer Becomes Jet Engine
If you’ve seen the John Wick movies, you’ve probably had to suspend your disbelief about many things, but the bulletproof suits are perhaps the hardest thing to swallow. They look …read more Continue reading The Real John Wick-Style Bullet Proof Suit
In our minds and our computer screens, we live in an ideal world. Wires don’t have any resistance, capacitors don’t leak, and switches instantly make connections and break them. The …read more Continue reading Debouncing for Fun and… Mostly, Just for Fun
We’ve always been a little sad that supercapacitors aren’t marked with a big red S on a yellow background. Nevertheless, [DiodeGoneWild] picked up some large-value supercapacitors and used his interesting …read more Continue reading Homemade Scope Does Supercapacitor Experiments
The Buzzer, also known as UVB-76 or UZB-76, has been a constant companion to anyone with a shortwave radio tuned to 4625 kHz. However, [Ringway Manchester] notes that there is …read more Continue reading Russia’s New Mystery Shortwave Station