/technologies/embedded/b/blog/posts/making-a-diy-led-wrist-watch-with-the-attiny412-microcontroller(Image credit: element 14 via YouTube) LED wristwatches are still popular even after 53 years since Hamilton Watch Company and Electro-Data introduced Pulsar, the first LED (or digital) wristwatch. Clem Mayer of Mayer Makes is also a fan of LED wat..en-USTelligent Community 12