Seven-segment displays are one of the most ho-hum ways to display the time. They were cool for a little bit in the 70s, but by now, they’re a little bit old hat. That is, unless you get weird with it.

When you’re lifting weights, you usually want to do a set of the exercise, rest a minute or two, and then do another. While you can gauge this by feel (just go when you feel ready), a timer can be ...