Collaborate Disseminate
No one likes cleaning out water spouts. [NeedItMakeIt] wanted to collect rainwater and was interested in using a Coanda filter that those used on hydroelectric plants to separate out debris. …read more Continue reading 3D Printing a Self-cleaning Water Filter
As [Sam Ben-Yaakov] points out in a recent video, you don’t often see flyback converters these days. That’s because there are smarter ways to get the same effect, which is …read more Continue reading Flyback Converter Revealed
When do you think the first podcast occurred? Did you guess in the 1890s? That’s not a typo. Telefonhírmondó was possibly the world’s first true “telephone newspaper.” People in Budapest …read more Continue reading The World’s First Podcaster?
If you learned to type anytime in the mid-part of the 20th century, you probably either had or wanted an IBM Selectric. These were workhorses and changed typing by moving …read more Continue reading That’s no Moon, er, Selectric
At first glance, [RobBest]’s constant current source looks old school. The box is somewhat old-fashioned, featuring switches and binding posts. Most importantly, there’s a large analog meter dominating the front …read more Continue reading Current Source Mixes Old School and New
Generally, you think that if you pay more for something, it must be better, right? But that’s not always true. Even if it is true at the lower end, sometimes …read more Continue reading Calipers: Do You Get What You Pay For?
When you think of neon, you might think of neon signs or the tenth element, a noble gas. But there was a time when neon bulbs like the venerable NE-2 …read more Continue reading Neon Bulbs? They’re a Gas!
If you want to save a little money on a thermal camera, or if you just enjoy making your own, you should have a look at [Evan Yu’s] GitHub repository, …read more Continue reading Cheap Thermal Camera Fits the Bill
We can’t throw stones. [Leaded Solder] picked up a SparcStation 1+ in 2018 and found it only produced illegal instruction errors. We’re sure he’s like us and meant to get …read more Continue reading SparcStation 1+ Finally Gets Attention
One reason Forth remains popular is that it is very simple to create, but also very powerful. But there’s an even older language that can make the same claim: LISP. …read more Continue reading Learn C with a Lisp