At one point in time mechanical seven segment displays were ubiquitous, over time many places have replaced them with other types of displays. [Sebastian] has a soft spot for these …read more (https://hackaday.com/2025/06/23/modern-tech-meets-retro-7-segment/)

Add TouchTone Typing to Your Next Project
https://hackaday.com/2025/06/23/add-touchtone-typing-to-your-next-project/

The Blackberry made phones with real keyboards popular, and smartphones with touch keyboards made that input method the default. However, the old flip phone crowd had just a few telephone …read more (https://hackaday.com/2025/06/23/add-touchtone-typing-to-your-next-project/)

Building A Custom Paper Tape Punch Machine
https://hackaday.com/2025/06/23/building-a-custom-paper-tape-punch-machine/

Although [Simon Boak] had no use for an automatic paper tape punch, this was one of those intrusive project thoughts that had to be put to rest. With not a …read more (https://hackaday.com/2025/06/23/building-a-custom-paper-tape-punch-machine/)

There’s A New Reusable Rocket, And It’s A Honda
https://hackaday.com/2025/06/24/theres-a-new-reusable-rocket-and-its-a-honda/

As we watched the latest SpaceX Starship rocket test end in a spectacular explosion, we might have missed the news from Japan of a different rocket passing a successful test. …read more (https://hackaday.com/2025/06/24/theres-a-new-reusable-rocket-and-its-a-honda/)

Is Box Turtle the Open Source AMS we’ve been waiting for?
https://hackaday.com/2025/06/24/is-box-turtle-the-open-source-ams-weve-been-waiting-for/

Multimaterial printing was not invented by BambuLabs, but love them or hate them the AMS has become the gold standard for a modern multi-material unit. [Daniel]’s latest Mod Bot video …read more (https://hackaday.com/2025/06/24/is-box-turtle-the-open-source-ams-weve-been-waiting-for/)

Mining and Refining: Drilling and Blasting
https://hackaday.com/2025/06/24/mining-and-refining-drilling-and-blasting/

It’s an inconvenient fact that most of Earth’s largesse of useful minerals is locked up in, under, and around a lot of rock. Our little world condensed out of the …read more (https://hackaday.com/2025/06/24/mining-and-refining-drilling-and-blasting/)

Why Trijets Lost Against Twinjets
https://hackaday.com/2025/06/24/why-trijets-lost-against-twinjets/

If you’re designing a new jet-powered airplane, one of the design considerations is the number of jet engines you will put on it. Over the course of history we have …read more (https://hackaday.com/2025/06/24/why-trijets-lost-against-twinjets/)

Announcing the 2025 Pet Hacks Winners
https://hackaday.com/2025/06/24/announcing-the-2025-pet-hacks-winners/