Big Spinning Disk Makes a Small Color Video Display

The earliest televisions used a spinning disk technology called the Nipkow disk, which is exactly what [Science ‘n’ Stuff] recreated with their Arduino-based mechanical color television (video link, also embedded …read more Continue reading Big Spinning Disk Makes a Small Color Video Display→

The Regulatory Side of Rolling Your Own Moderate Solar Farm

[Russell Graves] lives in Idaho and recently connected his solar installation to the grid, which meant adhering to regulatory requirements for both the National Electric Code (NEC) as well as …read more Continue reading The Regulatory Side of Rolling Your Own Moderate Solar Farm→

Soldering Iron Plus Camera Gimbal Helps Cancel Out Hacker’s Hand Tremors

Soldering requires steady hands, so when [Jonathan Gleich] sadly developed a condition called an essential tremor affecting his hands, soldering became much more difficult. But one day, while [Jonathan] was …read more Continue reading Soldering Iron Plus Camera Gimbal Helps Cancel Out Hacker’s Hand Tremors→