A fun way to think about a national electrical grid is as a massively upscaled electrical circuit, one in which you have multiple power supplies injecting AC power, with various …read more (https://hackaday.com/2026/08/21/how-the-grids-harmonic-filters-keep-the-power-clean/)
[Joseph DiGiovanni] is the owner of a Litter Robot 4. It’s a convenient mechanized litter box for cats that can clean itself to reduce unwelcome odors inside the home. He …read more (https://hackaday.com/2026/08/21/hacking-a-cat-litter-box/)
Sleeper E-bike has Solenoid Display
https://hackaday.com/2026/08/22/sleeper-e-bike-has-solenoid-display/
https://hackaday.com/2026/08/22/sleeper-e-bike-has-solenoid-display/
[GRMNT] decided to bring his grandpa’s beautiful road bike into the future by making a sleeper e-bike conversion. Going into the project, [GRMNT] didn’t really know what he was working …read more (https://hackaday.com/2026/08/22/sleeper-e-bike-has-solenoid-display/)
Building an Analog Geiger Counter
https://hackaday.com/2026/08/22/building-an-analog-geiger-counter/
https://hackaday.com/2026/08/22/building-an-analog-geiger-counter/
These days, it’s plenty easy to build a Geiger counter with a microcontroller that has a nice fancy display and a simple digital readout for how many radiations you’re likely …read more (https://hackaday.com/2026/08/22/building-an-analog-geiger-counter/)
On Hackaday last week, and on the podcast, we were talking about one of the educational toys of yesteryear that launched a thousand careers, at least if the comment section …read more (https://hackaday.com/2026/08/22/you-gotta-want-it/)