[Tim] noticed recently that a large number of projects recreating discrete logic tend to do so with technology around 70 years old like resistor-transistor logic (RTL) or diode-transistor logic (DTL). …read more (https://hackaday.com/2025/10/04/2025-component-abuse-challenge-digital-logic-with-analog-components/)

Simple Counter Mechanism in an Asthma Inhaler
https://hackaday.com/2025/10/05/simple-counter-mechanism-in-an-asthma-inhaler/

Recently [Anthony Francis-Jones] decided to take a closer look at the inhaler that his son got prescribed for some mild breathing issues, specifically to teardown the mechanical counter on it. …read more (https://hackaday.com/2025/10/05/simple-counter-mechanism-in-an-asthma-inhaler/)

3D Printing A New Kind Of Skateboard That Is Ultimately Unsafe
https://hackaday.com/2025/10/05/3d-printing-a-new-kind-of-skateboard-that-is-ultimately-unsafe/

Skateboards were organically developed in the 1940s and 1950s; 30 years would then pass before the ollie was developed, unlocking new realms for skaters dedicated to the artform. The advent …read more (https://hackaday.com/2025/10/05/3d-printing-a-new-kind-of-skateboard-that-is-ultimately-unsafe/)

Wearable Neon Necklaces Run On Battery Power
https://hackaday.com/2025/10/05/wearable-neon-necklaces-run-on-battery-power/

We typically think of neon signs as big commercial advertisements, hanging inside windows and lofted on tall signposts outside highway-adjacent businesses. [James Akers] has gone the other route with a …read more (https://hackaday.com/2025/10/05/wearable-neon-necklaces-run-on-battery-power/)

Optimizing a QuickTake Image Decoder for the Apple II’s 6502
https://hackaday.com/2025/10/05/optimizing-a-quicktake-image-decoder-for-the-apple-iis-6502/

The idea of using the Apple II home computer for digital photography purposes may seem somewhat daft considering that this is not a purpose that they were ever designed for, …read more (https://hackaday.com/2025/10/05/optimizing-a-quicktake-image-decoder-for-the-apple-iis-6502/)

Divining Air Quality With A Cheap Computer Vision Device
https://hackaday.com/2025/10/05/divining-air-quality-with-a-cheap-computer-vision-device/

There are all kinds of air quality sensors on the market that rely on all kinds of electro-physical effects to detect gases or contaminants and report them back as a …read more (https://hackaday.com/2025/10/05/divining-air-quality-with-a-cheap-computer-vision-device/)

Hackaday Links: October 5, 2025
https://hackaday.com/2025/10/05/hackaday-links-october-5-2025/

What the Flock? It’s probably just some quirk of The Almighty Algorithm, but ever since we featured a story on Flock’s crime-fighting drones last week, we’ve been flooded with other …read more (https://hackaday.com/2025/10/05/hackaday-links-october-5-2025/)

Splashflag: Raising the Flag on a Pool Party
https://hackaday.com/2025/10/05/splashflag-raising-the-flag-on-a-pool-party/