Collaborate Disseminate
[IMSAI Guy] wants you to build a non-contact scope probe. The cost? Assuming you have a bit of wire and a regular scope probe, it won’t cost you anything. Why …read more Continue reading Non Contact Scope Probe Costs Nearly Nothing
Old computers meant for big jobs often had an external unit to crunch data in specific ways. A computer doing weather prediction, for example, might have an SIMD (single instruction …read more Continue reading Retrogadgets: The Ageia PhysX Card
You have an hour to kill, and you like old communication technology. If you happen to be in Windsor, Connecticut, you could nip over to the Vintage Radio and Communication …read more Continue reading Spend an Hour in the Virtual Radio Museum
It shouldn’t be a surprise that the idea of a planetarium originated with an electrical engineer, [Oskar von Miller] from the Deutsches Museum in Munich. According to [Allison Marsh] in …read more Continue reading The History of the World’s First Planetarium
There is a reason building a rocket engine is harder than most things you want to build. If you are building, say, a car, your goal is to not have …read more Continue reading Building a Rocket Engine from Scratch
If you don’t know Morse code, you probably think of a radio operator using a “key” to send Morse code. These were — and still are — used. They are …read more Continue reading Ham Radio Paddles Cost Virtually Nothing
There’s the old joke about 10 kinds of programmers, but the truth is when it comes to programming, there are often people who make tools and people who use tools. …read more Continue reading Don’t Object to Python Objects
One of the most basic tools for tinkering with electronics is a multimeter. Today, even a cheap meter has capabilities that would have been either very expensive or unobtainable back …read more Continue reading Upgrade Your Test Probes
We were sad to hear that after 52 years in operation, iconic ham radio supplier MFJ will close next month. On the one hand, it is hard not to hear …read more Continue reading Farewell MFJ
Writing for Hackaday can be somewhat hazardous. Sure, we don’t often have to hide from angry spies or corporate thugs. But we do often write about something and then want …read more Continue reading Slicing and Dicing the Bits: CPU Design the Old Fashioned Way