The Hammond organ is an early form of electronic– or perhaps electromechanical– musical instrument. It solved the very real problem of organs normally being the sort of thing you built …read more (https://hackaday.com/2026/08/21/building-a-hammond-organ-to-understand-how-they-work/)
How the Grid’s Harmonic Filters Keep the Power Clean
https://hackaday.com/2026/08/21/how-the-grids-harmonic-filters-keep-the-power-clean/
https://hackaday.com/2026/08/21/how-the-grids-harmonic-filters-keep-the-power-clean/
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/)