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Author Archives: Al Williams

Can You Hear Me Now? Try These Headphones

Posted on May 30, 2024 by Al Williams

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→

Posted in Artificial Intelligence, noise cancelling, Science | Tagged Headphones

The 6809 Lives On in an FPGA

Posted on May 29, 2024 by Al Williams

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→

Posted in 6809, FPGA, retrocomputing, verilog

Digital Meter From 1973, A Teardown

Posted on May 28, 2024 by Al Williams

[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→

Posted in beckman, digital voltmeter, teardown

The Emperor’s New Computer

Posted on May 27, 2024 by Al Williams

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→

Posted in computer hacks, liquid cooling, pc | Tagged Desk, Standing Desk

Reinventing Rotary Switches with Stepper Motors

Posted on May 27, 2024 by Al Williams

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→

Posted in misc hacks, relay, rotary switch, switch

Weird Old Stereo Accessories

Posted on May 26, 2024 by Al Williams

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→

Posted in home entertainment hacks, stereo | Tagged Audio, Hi-fi

One Man’s Trash is… a Rare $60,000 Historical Computer

Posted on May 26, 2024 by Al Williams

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→

Posted in 8008, Q1, retrocomputer, retrocomputing

Grid Leak Radio Draws the Waves

Posted on May 23, 2024 by Al Williams

[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→

Posted in classic hacks, radio hacks, vacuum tubes | Tagged Radio

Amber Compiles to Bash

Posted on May 22, 2024 by Al Williams

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→

Posted in Bash, Bash script, linux hacks, software development

Hands On: AD409-Max Microscope

Posted on May 22, 2024 by Al Williams

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→

Posted in andonstar, microscope, Reviews, tool hacks

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