Collaborate Disseminate
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
If you enjoy old military hardware, you probably know that Harris made quite a few heavy-duty pieces of radio gear. [K6YIC] picked up a nice example: the Harris RF-130 URT-23. …read more Continue reading Reactivating a Harris RF-130 URT-23 Transmitter
Do you ever wonder why your PCB maker uses Gerber files? It doesn’t have to do with baby food. Gerber was the company that introduced photoplotting. Early machines used a …read more Continue reading Photoplotting PCBs with a 3D Printer
One of the interesting features of the 8086 back in 1978 was the provision for “string” instructions. These took the form of prefixes that would repeat the next instruction a …read more Continue reading String Operations the Hard(ware) Way
If you have a Raspberry Pi connected to an LED matrix, you might think about creating a simple oscilloscope. Of course, the Pi isn’t really well-suited for that and neither …read more Continue reading Building the OhSillyScope
The bane of 3D printing is what people commonly call bed leveling. The name is a bit of a misnomer since you aren’t actually getting the bed level but making …read more Continue reading Fast Scanning Bed Leveling