I'm afraid not - I'd say a check for battery level every so often is best - and it won't increase power draw to much if you only do it a few times a minute.
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.
I'm afraid not - I'd say a check for battery level every so often is best - and it won't increase power draw to much if you only do it a few times a minute.