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/

One of the practical upsides of improved computer vision systems and machine learning has been the ability of computers to translate text from one language or format to another. [Jchen] …read more (https://hackaday.com/2025/08/15/this-polaroid-esque-ocr-machine-turns-text-to-braille-in-the-wild/)

Walter is a Tiny Cellular Modem For Your Projects
https://hackaday.com/2025/08/16/walter-is-a-tiny-cellular-modem-for-your-projects/

It wasn’t that long ago that projects with cellular connectivity were everywhere, but with 2G no longer universally available, glory days of cheap 2G modules seem to be on their …read more (https://hackaday.com/2025/08/16/walter-is-a-tiny-cellular-modem-for-your-projects/)

How to Convert a Drain into a Hydropower Facility
https://hackaday.com/2025/08/16/how-to-convert-a-drain-into-a-hydropower-facility/

Over on his YouTube channel [Construction General] shows us how to convert a drain into a hydropower facility. This type of hydroelectric facility is known as a gravitation water vortex …read more (https://hackaday.com/2025/08/16/how-to-convert-a-drain-into-a-hydropower-facility/)

Metric, Imperial, and Flexibility
https://hackaday.com/2025/08/16/metric-imperial-and-flexibility/

Al Williams wrote up a seemingly innocent piece on a couple of rules-of-thumb to go between metric and US traditional units, and the comment section went wild! Nothing seems to …read more (https://hackaday.com/2025/08/16/metric-imperial-and-flexibility/)

The Nibbler was Quite a Scamp
https://hackaday.com/2025/08/16/the-nibbler-was-quite-a-scamp/

The late 1970s were an interesting time for microcomputers. The rousing success of things like the 8080, the Z80, the 6800, and the 6502 made everyone wanted a piece of …read more (https://hackaday.com/2025/08/16/the-nibbler-was-quite-a-scamp/)