Serial and UPDI Handled Together With One Convenient Circuit
https://hackaday.com/2025/10/04/serial-and-updi-handled-together-with-one-convenient-circuit/

Sometimes it’s nice when you can do everything you need to do with just one single port. In this vein, [Nicola Strappazzon] whipped up a circuit to combine serial and …read more (https://hackaday.com/2025/10/04/serial-and-updi-handled-together-with-one-convenient-circuit/)

3D Printing A Cheap VR Headset
https://hackaday.com/2025/10/04/3d-printing-a-cheap-vr-headset/

The modern era of virtual reality really kicked off in earnest just over a decade ago, when the Oculus Rift promised 3D worlds beyond your wildest dreams. Since then, nobody’s …read more (https://hackaday.com/2025/10/04/3d-printing-a-cheap-vr-headset/)

Open Source Controller for Old and Expensive Industrial Robots
https://hackaday.com/2025/10/04/open-source-controller-for-old-and-expensive-industrial-robots/

Industrial robots like robotic arms are basically everywhere, albeit usually out of the public’s eye in factories. This also means that they get replaced and scrapped all the time, making …read more (https://hackaday.com/2025/10/04/open-source-controller-for-old-and-expensive-industrial-robots/)

How To Design Custom LCDs For Your Own Projects
https://hackaday.com/2025/10/04/how-to-design-custom-lcds-for-your-own-projects/

These days, you can buy full graphical LCD or OLED displays for just a few dollars. However, if you’re so inclined, you can actually get your own segmented LCDs made …read more (https://hackaday.com/2025/10/04/how-to-design-custom-lcds-for-your-own-projects/)

2025 Component Abuse Challenge: Digital Logic With Analog Components
https://hackaday.com/2025/10/04/2025-component-abuse-challenge-digital-logic-with-analog-components/

[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/