https://www.youtube.com/watch?v=21_mKkDrlQw
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2023/05/Interactive-analog-LED-wave-array-featured.gif?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2023/05/Interactive-analog-LED-wave-array-featured.gif?w=800">A while back, [Chris Lu] was studying how analog circuits, specifically op-amps can be used to perform mathematical operations and wondered if they could be persuaded to solve differential equations, …read more (https://hackaday.com/2023/05/12/op-amp-challenge-interactive-analog-led-wave-array/)

Hackaday Podcast 218: Open Source AI, The Rescue of Salyut 7, The Homework Machine
https://hackaday.com/2023/05/12/hackaday-podcast-218-open-source-ai-the-rescue-of-salyut-7-the-homework-machine/

This week, Editor-in-Chief Elliot Williams and Kristina Panos have much in the way of Hackaday news — the Op Amp Challenge is about halfway over, and there are roughly three …read more (https://hackaday.com/2023/05/12/hackaday-podcast-218-open-source-ai-the-rescue-of-salyut-7-the-homework-machine/)

What Is A Schumann Resonance And Why Am I Being Offered A 7.83Hz Oscillator?
https://hackaday.com/2023/05/12/what-is-a-schumann-resonance-and-why-am-i-being-offered-a-7-83hz-oscillator/

Something that probably unites many Hackaday readers is an idle pursuit of browsing AliExpress for new pieces of tech. Perhaps it’s something akin to social media doomscrolling without the induced …read more (https://hackaday.com/2023/05/12/what-is-a-schumann-resonance-and-why-am-i-being-offered-a-7-83hz-oscillator/)

Hackaday Prize 2023: Finger Tracking Via Muscle Sensors
https://hackaday.com/2023/05/12/hackaday-prize-2023-finger-tracking-via-muscle-sensors/

Whether you want to build a computer interface device, or control a prosthetic hand, having some idea of a user’s finger movements can be useful. The OpenMuscle finger tracking sensor …read more (https://hackaday.com/2023/05/12/hackaday-prize-2023-finger-tracking-via-muscle-sensors/)

The Peak of Vacuum Tube Radio Design
https://hackaday.com/2023/05/12/the-peak-of-vacuum-tube-radio-design/

One of the more popular trends in the ham radio community right now is operating away from the shack. Parks on the Air (POTA) is an excellent way to take …read more (https://hackaday.com/2023/05/12/the-peak-of-vacuum-tube-radio-design/)

Your Childhood Inventions Brought to Life
https://hackaday.com/2023/05/12/your-childhood-inventions-brought-to-life/

If you are the kind of person who reads Hackaday, you probably spent time in school doodling little design day dreams. [Allen Pan] gets it, and he’s taken it upon …read more (https://hackaday.com/2023/05/12/your-childhood-inventions-brought-to-life/)

3D Design With Text-Based AI
https://hackaday.com/2023/05/12/3d-design-with-text-based-ai/

Generative AI is the new thing right now, proving to be a useful tool both for professional programmers, writers of high school essays and all kinds of other applications in …read more (https://hackaday.com/2023/05/12/3d-design-with-text-based-ai/)

A Non-Destructive Digital Back for a Classic Leica
https://hackaday.com/2023/05/12/a-non-destructive-digital-back-for-a-classic-leica/