A Trio Of Photodiodes Make A Radiation Detector
https://hackaday.com/2021/08/06/a-trio-of-photodiodes-make-a-radiation-detector/

The instinctive reaction when measuring nuclear radiation is to think of a Geiger counter, as the low-pressure gas tube detectors have entered our popular culture through the Cold War. A …read more (https://hackaday.com/2021/08/06/a-trio-of-photodiodes-make-a-radiation-detector/)

Cool Binary Clock Uses Old-School LEDs and a Fancy Graphic PCB
https://hackaday.com/2021/08/06/cool-binary-clock-uses-old-school-leds-and-a-fancy-graphic-pcb/

Ah, the 5mm LED. Once a popular choice, they’ve been supplanted in modernity by smaller SMD components and/or more capable RGB parts in recent years. However, they’re still able to …read more (https://hackaday.com/2021/08/06/cool-binary-clock-uses-old-school-leds-and-a-fancy-graphic-pcb/)

Pen Plotter is About as Simple as It Can Get
https://hackaday.com/2021/08/06/pen-plotter-is-about-as-simple-as-it-can-get/

Sure, we see quite a few plotters and other motion machines, but the one from [DAZ Projects] has the virtual of looking dead simple. The Arduino and CNC shield are …read more (https://hackaday.com/2021/08/06/pen-plotter-is-about-as-simple-as-it-can-get/)

Retro Computers From Paper
https://hackaday.com/2021/08/06/retro-computers-from-paper/

From Rocky’s website
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/08/rocky-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/08/rocky-feature.png?w=800">Want to start your own collection of retro computers, for free? Well graphic designer [Rocky Bergen]’s collection of paper craft models might be the answer. [Rocky] has designed over a …read more (https://hackaday.com/2021/08/06/retro-computers-from-paper/)

Game Boy Color Makes Itself at Home in a DMG-01
https://hackaday.com/2021/08/06/game-boy-color-makes-itself-at-home-in-a-dmg-01/

When we last checked in with [The Poor Student Hobbyist], he had just finished cramming a Game Boy Advance (GBA) SP motherboard into the body of the iconic Game Boy …read more (https://hackaday.com/2021/08/06/game-boy-color-makes-itself-at-home-in-a-dmg-01/)

Everything You Always Wanted to Know about Radioactive Lenses
https://hackaday.com/2021/08/07/everything-you-always-wanted-to-know-about-radioactive-lenses/

We think of radioactive material as something buried away in bunkers with bombs, power plants, and maybe some exotic medical equipment. But turns out, there are little bits of radiation …read more (https://hackaday.com/2021/08/07/everything-you-always-wanted-to-know-about-radioactive-lenses/)

Capstan Drive is Pulling the Strings on this Dynamic Quadruped
https://hackaday.com/2021/08/07/capstan-drive-is-pulling-the-strings-on-this-dynamic-quadruped/