Vintage flip clocks — also called flap clocks or split-flap clocks — were invented in the late 1940s. Not only were these clocks popular in homes, but they also took over public railway stations and ...

When [Rodrigo Feliciano] realized that the reason his seven-segment LED wall clock wasn’t working was because the original TG1508D5V5 controller was fried, he had a decision to make. He could… ...