Hmm, please share a link to that DS3231 you use. Got some Pico and some DS3231 and can run later a quick test.
@MaBe started
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.
Hmm, please share a link to that DS3231 you use. Got some Pico and some DS3231 and can run later a quick test.