Yes - showing seconds really hurts battery usage. Some clocks are better than others though - if they update just the seconds text every second then they'll waste a lot more power than one which redraws the whole screen every second.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Yes - showing seconds really hurts battery usage. Some clocks are better than others though - if they update just the seconds text every second then they'll waste a lot more power than one which redraws the whole screen every second.