Collaborate Disseminate
When you are young, you take it for granted that you can pick out a voice in a crowded room or a factory floor. But as you get older, your …read more Continue reading Can You Hear Me Now? Try These Headphones
At one point, the Motorola 6809 seemed like a great CPU. At the time it was a modern 8-bit CPU and was capable of hosting position-independent code and re-entrant code. …read more Continue reading The 6809 Lives On in an FPGA
[Thomas] found an interesting probable millivoltmeter with some Beckman displays. Like many instruments from that time period, this one had a lot of tobacco smoke residue inside. The display unit …read more Continue reading Digital Meter From 1973, A Teardown
You walk into a home office and see an attractive standing desk that appears bare. Where’s the computer? Well, if it is [DIY Perk]’s office, the desk is the computer. …read more Continue reading The Emperor’s New Computer
When you need to make very tiny measurements, even noise in closed relays can throw you off. [Marco] was able to observe this effect and wanted to build a switch …read more Continue reading Reinventing Rotary Switches with Stepper Motors
Some people trick out their cars. Some, their computers. There are even people who max out their audio systems, although back in 1979, there was more of that going on, …read more Continue reading Weird Old Stereo Accessories
According to Smithsonian Magazine, a salvage company in London was cleaning out a property and found an odd-looking computer device. No one knew what it was, and they couldn’t find …read more Continue reading One Man’s Trash is… a Rare $60,000 Historical Computer
[Stephen McNamera] found a schematic for a grid leak radio online and decided to throw together a few tubes on a piece of wood and see how it worked. As …read more Continue reading Grid Leak Radio Draws the Waves
It certainly isn’t a new idea to compile a language into an intermediate language. The original C++ compiler outputs C code, for example. Enhanced versions of Fortran were often just …read more Continue reading Amber Compiles to Bash
It used to be that only the most well-equipped home electronics lab had a microscope. However, with SMD parts getting smaller and smaller, some kind of microscope is almost a …read more Continue reading Hands On: AD409-Max Microscope