Raspberry Pi OS is a free operating system based on Debian, optimized for Raspberry Pi hardware. This latest version offers 64-bit support and is available for all Pi 3, 4, and Zero 2 boards.
It's a common misconception that cost is directly related to how useful a device is. This article focuses on supporting accessories -- devices that improve the use of other gadgets, enhance your life or minimize inconveniences. In some instances, they're outright essential.