Collaborate Disseminate
It isn’t that hard to make an electronic rain gauge if you have a steady source of power or you don’t mind changing batteries often. But [Matthew Ford] offers a …read more Continue reading BLE Rain Gauge Sips Water and Batteries
You’ve probably noticed that everywhere you go — the doctor’s office, hotels, or retail shops, there are tiny PCs everywhere. These small PCs often show up on the surplus market …read more Continue reading Giving a Proprietary Power Supply the Boot
What do you do with a circa 1985 Casio FX-451 calculator with a bad keyboard? Well, if you are [Poking Technology], you transplant the inside of the calculator to a …read more Continue reading Casio Calculator Gets New Keyboard
If you compare a modern PCB with a typical 1980s PCB, you might notice — like [lcamtuf] did — that newer boards tend to have large areas of copper known …read more Continue reading A History of Copper Pours
[Zen Garden Oasis] wanted to heat and light a space using a candle. But candles aren’t always convenient since they burn down and, eventually, you must replace them. So he …read more Continue reading Copper Candle Burns Forever… Just add Fuel
Although it sounds like some Star Trek McGuffin, a Q-Meter is a piece of test gear that measures the Q factor of a tuned circuit. [Thomas] got a Boonton meter …read more Continue reading A 1962 Test Gear Teardown
Hey, you know that guy in accounting, Marco? If you want to find out more about him, you’d probably go surf LinkedIn or maybe a social media site. Inside a …read more Continue reading Forgotten Internet: Giving (or Getting) the Finger
VFDs — vacuum fluorescent displays — have a distinctive look, and [Anthony Francis-Jones] is generally fascinated with retro displays. So, it makes sense that he’d build a VFD project as …read more Continue reading Inside Vacuum Fluorescent Displays
Did you ever hear of a satellite called Parcae (pronounced like park-eye)? If you haven’t, don’t feel bad—it was, after all, a top-secret project only revealed in July 2023. [Ivan …read more Continue reading Parcae: A Trio of Spy Satellites
We’ve said it before: building one-offs is different from building at scale. Even on a small scale. There was a time when it was rare for a hobbyist to produce …read more Continue reading Testing at Scale