We were trading stories of our first self-made PCBs in the secret underground Hackaday bunker, and a couple of the boards looked really good for first efforts. Of course there …read more (https://hackaday.com/2021/09/25/embrace-the-new-but-dont-forget-the-old/)

A Promising Start for the Doritos Space Program
https://hackaday.com/2021/09/25/a-promising-start-for-the-doritos-space-program/

Rocketry is tricky stuff, but as long as you’re not trying to get into space, the whole idea can basically be boiled down into a simple concept: if you put …read more (https://hackaday.com/2021/09/25/a-promising-start-for-the-doritos-space-program/)

Design and Build Your Own Circular Slide Rule
https://hackaday.com/2021/09/25/design-and-build-your-own-circular-slide-rule/

Image from project’s reddit post
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/09/rules-feature.jpg?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/09/rules-feature.jpg?w=800">You have to really like slide rules to build your own, including the necessary artwork. Apparently [Dylan Thinnes] is a big fan, based on this project he began working on …read more (https://hackaday.com/2021/09/25/design-and-build-your-own-circular-slide-rule/)

Making Linux Offline Voice Recognition Easier
https://hackaday.com/2021/09/25/making-linux-offline-voice-recognition-easier/

For just about any task you care to name, a Linux-based desktop computer can get the job done using applications that rival or exceed those found on other platforms. However, …read more (https://hackaday.com/2021/09/25/making-linux-offline-voice-recognition-easier/)

The Simplest FT8 Transceiver You’ll Ever Build
https://hackaday.com/2021/09/25/the-simplest-ft8-transceiver-youll-ever-build/

Probably the most interesting facets of amateur radio in 2021 lie in the realm of digital modes. Using the limitless possibilities of software defined radios has freed digital radio communication …read more (https://hackaday.com/2021/09/25/the-simplest-ft8-transceiver-youll-ever-build/)

COVID Green Pass Validator with Raspberry Pi
https://hackaday.com/2021/09/25/covid-green-pass-validator-with-raspberry-pi/

It seems like every nation is dealing with the plague a little differently. In June, the EU instated a COVID Green Pass which comes in the form of a paper …read more (https://hackaday.com/2021/09/25/covid-green-pass-validator-with-raspberry-pi/)

Reinforced Concrete: Versatile At Any Size?
https://hackaday.com/2021/09/26/reinforced-concrete-versatile-at-any-size/

In our community we’re no strangers to making things, and there are plenty among us who devote their efforts to modelmaking. It’s uncommon, though, for a scale model of something …read more (https://hackaday.com/2021/09/26/reinforced-concrete-versatile-at-any-size/)