Building a clock from salvaged Vacuum Fluorescent Displays

This blog post by Maurycy Z. details the process of building a clock using salvaged Vacuum Fluorescent Displays (VFDs). The author shares intricate insights about vacuum tubes, their operation, and how to determine the pinout for the VFDs through experimental means. They also address the challenges of operating conditions, such as filament current and plate voltage, and provide practical guidance for integrating with microcontrollers to ensure accurate timekeeping. The post is rich in technical detail, showcasing DIY electronics and an inventive approach to using vintage technology for modern applications.