Hackaday Podcast Episode 333: Nightmare Whiffletrees, 18650 Safety, and a Telephone Twofer
https://hackaday.com/2025/08/15/hackaday-podcast-episode-333-nightmare-whiffletrees-18650-safety-and-a-telephone-twofer/

This week, Hackaday’s Elliot Williams and Kristina Panos met up over the tubes to bring you the latest news, mystery sound, and of course, a big bunch of hacks from …read more (https://hackaday.com/2025/08/15/hackaday-podcast-episode-333-nightmare-whiffletrees-18650-safety-and-a-telephone-twofer/)

Gentle Processing Makes Better Rubber That Cracks Less
https://hackaday.com/2025/08/15/gentle-processing-makes-better-rubber-that-cracks-less/

Rubber! It starts out as a goopy material harvested from special trees, and is then processed into a resilient, flexible material used for innumerable important purposes. In the vast majority …read more (https://hackaday.com/2025/08/15/gentle-processing-makes-better-rubber-that-cracks-less/)

2025 One Hertz Challenge: An Arduino-Based Heart Rate Sensor
https://hackaday.com/2025/08/15/2025-one-hertz-challenge-an-arduino-based-heart-rate-sensor/

How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is …read more (https://hackaday.com/2025/08/15/2025-one-hertz-challenge-an-arduino-based-heart-rate-sensor/)

Liberating a Collapsible Chair from a Single Piece of Wood
https://hackaday.com/2025/08/15/liberating-a-collapsible-chair-from-a-single-piece-of-wood/

Over on his YouTube channel our hacker [GrandpaAmu] liberates a collapsible chair from a single piece of wood. With the assistance of an extra pair of hands, but without any …read more (https://hackaday.com/2025/08/15/liberating-a-collapsible-chair-from-a-single-piece-of-wood/)

2025 One Hertz Challenge: Educational Tool Becomes 10 Stopwatches
https://hackaday.com/2025/08/15/2025-one-hertz-challenge-educational-tool-becomes-10-stopwatches/

Around the globe, some classrooms are using fancy digital handheld devices to let people answer questions. One such example of this hardware is the Smart Response PE. These devices are …read more (https://hackaday.com/2025/08/15/2025-one-hertz-challenge-educational-tool-becomes-10-stopwatches/)

Suggested Schematic Standards
https://hackaday.com/2025/08/15/suggested-schematic-standards/

We often think that if a piece of software had the level of documentation you usually see for hardware, you wouldn’t think much of it. Sure, there are exceptions. Some …read more (https://hackaday.com/2025/08/15/suggested-schematic-standards/)

This Polaroid-esque OCR Machine Turns Text to Braille in the Wild
https://hackaday.com/2025/08/15/this-polaroid-esque-ocr-machine-turns-text-to-braille-in-the-wild/