Built-In Batteries: a Daft Idea With an Uncertain Future
https://hackaday.com/2025/10/23/built-in-batteries-a-daft-idea-with-an-uncertain-future/

Having a gadget’s battery nestled snugly within the bowels of a device has certain advantages. It finally solves the ‘no batteries included’ problem, and there is no more juggling of …read more (https://hackaday.com/2025/10/23/built-in-batteries-a-daft-idea-with-an-uncertain-future/)

10 Cent Microcontroller Makes Music
https://hackaday.com/2025/10/23/10-cent-microcontroller-makes-music/

Compared to the old 8-bit Arduinos, it’s incredible how cheap modern microcontrollers like the ESP32 have become. But there are even cheaper options out there if you don’t need that …read more (https://hackaday.com/2025/10/23/10-cent-microcontroller-makes-music/)

Announcing the 2025 Hackaday Superconference Communicator Badge
https://hackaday.com/2025/10/23/announcing-the-2025-hackaday-superconference-communicator-badge/

It’s the moment you hard-core hardware nerds have been waiting for: the reveal of the 2025 Hackaday Supercon Communicator Badge. And this year, we’ve outdone ourselves, but that’s thanks to …read more (https://hackaday.com/2025/10/23/announcing-the-2025-hackaday-superconference-communicator-badge/)

2025 Component Abuse Challenge: Nail Your Next Decal
https://hackaday.com/2025/10/23/2025-component-abuse-challenge-nail-your-next-decal/

One of the hardest parts of a project — assuming it makes it that far — is finishing it up in an aesthetically pleasing manner. As they say, the devil …read more (https://hackaday.com/2025/10/23/2025-component-abuse-challenge-nail-your-next-decal/)

A Logical Clock That Pretends To Be Analog
https://hackaday.com/2025/10/23/a-logical-clock-that-pretends-to-be-analog/

[kcraske] had a simple plan for their clock build. They wanted a digital clock that was inspired by the appearance of an analog one, and they only wanted to use …read more (https://hackaday.com/2025/10/23/a-logical-clock-that-pretends-to-be-analog/)

Keep An Eye On Your Air-Cooled Engine
https://hackaday.com/2025/10/23/keep-an-eye-on-your-air-cooled-engine/

There was a time, long ago, when passenger vehicles used to be much simpler than they are today. There were many downsides of this era, safety chief among them, but …read more (https://hackaday.com/2025/10/23/keep-an-eye-on-your-air-cooled-engine/)

Making the Smallest and Dumbest LLM with Extreme Quantization
https://hackaday.com/2025/10/23/making-the-smallest-and-dumbest-llm-with-extreme-quantization/