An Improved Spectrometer, No Lasers Required
https://hackaday.com/2024/05/27/an-improved-spectrometer-no-lasers-required/

Here at Hackaday, we love it when someone picks up the ball from a previous project and runs with it. That’s what we’re all about, really — putting out cool …read more (https://hackaday.com/2024/05/27/an-improved-spectrometer-no-lasers-required/)

Adafruit Badges Turned Electronic Invitations
https://hackaday.com/2024/05/28/adafruit-badges-turned-electronic-invitations/

Despite what you might have heard, even the most devout Hackaday readers may eventually find themselves getting married. Should you ever find yourself in a situation where you need to …read more (https://hackaday.com/2024/05/28/adafruit-badges-turned-electronic-invitations/)

Feast Your Eyes on These AI-Generated Sounds
https://hackaday.com/2024/05/28/feast-your-eyes-on-these-ai-generated-sounds/

The radio hackers in the audience will be familiar with a spectrogram display, but for the uninitiated, it’s basically a visual representation of how a range of frequencies are changing …read more (https://hackaday.com/2024/05/28/feast-your-eyes-on-these-ai-generated-sounds/)

The Tragic Story Of The Ill-Fated Supergun
https://hackaday.com/2024/05/28/the-tragic-story-of-the-ill-fated-supergun/

In the annals of ambitious engineering projects, few have captured the imagination and courted controversy quite like Gerald Bull’s Supergun. Bull, a Canadian artillery expert, envisioned a gun that could …read more (https://hackaday.com/2024/05/28/the-tragic-story-of-the-ill-fated-supergun/)

Rotary Phone Lives on as Arduino Kitchen Timer
https://hackaday.com/2024/05/28/rotary-phone-lives-on-as-arduino-kitchen-timer/

It’s safe to say that few people still use rotary phones on a daily basis. Hell, most of us don’t even use landline telephones anymore. But just because these classic …read more (https://hackaday.com/2024/05/28/rotary-phone-lives-on-as-arduino-kitchen-timer/)

Keebin’ with Kristina: The One with the Auto Harp Typewriter
https://hackaday.com/2024/05/28/keebin-with-kristina-the-one-with-the-auto-harp-typewriter/

Where do I even begin with this one? Let’s start with the reasoning behind this giant beast’s existence, and that is medical necessity. [crazymittens-r] needed something that would let them …read more (https://hackaday.com/2024/05/28/keebin-with-kristina-the-one-with-the-auto-harp-typewriter/)

Spark Plug Becomes Glass Cutter
https://hackaday.com/2024/05/28/spark-plug-becomes-glass-cutter/

Sometimes a hack doesn’t need to be rocket science to be useful. Take for instance [MofigoDIY] using an old spark plug to build a glass cutter. Sure, going to grab …read more (https://hackaday.com/2024/05/28/spark-plug-becomes-glass-cutter/)