Some Mondays are worse than others, but April 28 2025 was particularly bad for millions of people in Spain and Portugal. Starting just after noon, a number of significant grid …read more (https://hackaday.com/2025/06/30/the-2025-iberian-peninsula-blackout-from-solar-wobbles-to-cascade-failures/)

Chasing A Raspberry Pi Bottleneck
https://hackaday.com/2025/06/30/chasing-a-raspberry-pi-bottleneck/

The Raspberry Pi has been used for many things over its lifetime, and we’re guessing that many of you will have one in perhaps its most common configuration, as a …read more (https://hackaday.com/2025/06/30/chasing-a-raspberry-pi-bottleneck/)

Data Visualization and Aggregation: Time Series Databases, Grafana and More
https://hackaday.com/2025/06/30/data-visualization-and-aggregation-time-series-databases-grafana-and-more/

If there’s one thing that characterizes the Information Age that we find ourselves in today, it is streams of data. However, without proper ways to aggregate and transform this data …read more (https://hackaday.com/2025/06/30/data-visualization-and-aggregation-time-series-databases-grafana-and-more/)

Sand Drawing Table Inspired By Sisyphus
https://hackaday.com/2025/06/30/sand-drawing-table-inspired-by-sisyphus/

In Greek mythology, Sisyphus was a figure who was doomed to roll a boulder for eternity as a punishment from the gods. Inspired by this, [Aidan], [Jorge], and [Henry] decided …read more (https://hackaday.com/2025/06/30/sand-drawing-table-inspired-by-sisyphus/)

Blowtorching Electroplated 3D Prints For Good Reason
https://hackaday.com/2025/06/30/blowtorching-electroplated-3d-prints-for-good-reason/

What if you electroplated a plastic 3D print, and then melted off the plastic to leave just the metal behind? [HEN3DRIK] has been experimenting with just such a process, with …read more (https://hackaday.com/2025/06/30/blowtorching-electroplated-3d-prints-for-good-reason/)

Phone Keyboard Reverse Engineered
https://hackaday.com/2025/06/30/phone-keyboard-reverse-engineered/

Who knows what you’ll find in a second-hand shop? [Zeal] found some old keyboards made to fit early Alcatel phones from the year 2000 or so. They looked good but, …read more (https://hackaday.com/2025/06/30/phone-keyboard-reverse-engineered/)

Super8 Camera Brought to the Modern World
https://hackaday.com/2025/06/30/super8-camera-brought-to-the-modern-world/

Certain styles of photography or videography immediately evoke an era. Black-and-white movies of flappers in bob cuts put us right in the roaring 20s, while a soft-focused, pastel heavy image …read more (https://hackaday.com/2025/06/30/super8-camera-brought-to-the-modern-world/)

Building the Marauder LowRacer from Bike Parts
https://hackaday.com/2025/06/30/building-the-marauder-lowracer-from-bike-parts/