One Needle, Infinite Possibilities: DIY Maker Turns Vintage VU Meter Into a Smart Wristwatch

This project challenges the smartphone-centric design of modern smartwatches by leveraging a single analog needle and custom printed scales, proving that innovative timekeeping doesn't require LCD screens. By integrating the RP2040 microcontroller with salvaged analog components, the maker demonstrates how vintage electronics and creative engineering can deliver both technical sophistication and aesthetic appeal that mass-market devices cannot match.