Summary:

- This article from Hackaday covers various technology-related news and projects from October 20, 2024. It highlights interesting developments in the tech world, including a new open-source robot operating system, a low-cost digital multimeter, and a DIY hydroponics system.

- The article discusses the release of a new open-source robot operating system called "RobOS," which aims to provide a flexible and customizable platform for robotics enthusiasts and developers. It also covers a new digital multimeter that offers high-quality measurements at an affordable price point.

- Additionally, the article features a DIY hydroponics system that allows users to grow plants without soil, using a nutrient-rich water solution. This project is of interest to those interested in urban farming, sustainable gardening, and innovative agricultural technologies.