Another Radio on a Chip Design
It used to be a rite of passage to build some sort of AM radio receiver. Many people started with a crystal radio, of course, but you’d graduate to maybe …read more Continue reading Another Radio on a Chip Design
Author Archives: Al Williams
Radio Shack Toy Returns to Life
[The Modern Rouge] found an old childhood friend in a closet: a Radio Shack 200-in-1 electronic kit. Along with [Josh Nass], he put it through its paces and made a …read more Continue reading Radio Shack Toy Returns to Life
Mauchly and Eckert’s Other Computers
If you ask a random person who [John Mauchly] or [J. Presper Eckert] were, you’d probably get a blank stare. Ask a Hackaday reader, and you have a better shot. …read more Continue reading Mauchly and Eckert’s Other Computers
Bladerunners and the Mother of Invention
There are plenty of stories about inventors who see a problem and decide they can do better. But Van Phillips had a little more motivation than most. The problem was …read more Continue reading Bladerunners and the Mother of Invention
Watch Today’s Eclipse at Home
In a few hours, there is a solar eclipse that will be visible with a track that goes from Spain up through Greenland. Too late to travel for it, but …read more Continue reading Watch Today’s Eclipse at Home
PC-1: The 1954 Computer with no Tubes, Relays, or Transistors
However you make a digital computer, you need something to represent a binary digit. Usually this is some form of switch: a relay, a tube, or a transistor, although there …read more Continue reading PC-1: The 1954 Computer with no Tubes, Relays, or Transistors
Linux Fu: Heads or Tails for VPN
If you’ve done much networking, you surely know the frustration of trying to connect to something, say a Raspberry Pi, that lives behind your consumer router. There are a number …read more Continue reading Linux Fu: Heads or Tails for VPN
Retrotechtacular: A View of the Moon from 1964
If you didn’t live through it, it is hard to understand how excited the general public was about the race for the moon. You can capture some of it by …read more Continue reading Retrotechtacular: A View of the Moon from 1964
Tracking Bees with a Stereo Camera
For whatever reason, [Jeremy] wants to photograph bees in flight. This is one of those things that doesn’t seem that hard until you try to do it. He’s got the …read more Continue reading Tracking Bees with a Stereo Camera
Grading Tomatoes with an ESP32 and ML
If you’ve ever worked with produce, you might know about grading. In addition to deciding if, say, a strawberry is good or not, they also have to sort them by …read more Continue reading Grading Tomatoes with an ESP32 and ML