Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years ...

Our selections all come at zero cost to use and have strong user reviews. (See our methodology for more information on how we choose the best free budgeting tools.) Best free budgeting tools Best ...

This library allows an Arduino board to control LiquidCrystal displays (LCDs) based on the Hitachi HD44780 (or a compatible) chipset, which is found on most text-based LCDs. This library is free ...

Omnidirectional Line Tracing Robot là một robot di chuyển theo đường vạch kẻ dựa trên hệ thống cảm biến và điều khiển PID. Khác với robot thông thường chỉ có thể di chuyển tiến hoặc quay, robot này sử ...