I did solve my problem as Gordon suggested. The loop also affected BTN1, however. But it does seem I did something to cause the loop, which otherwise hasn't occurred.
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 did solve my problem as Gordon suggested. The loop also affected BTN1, however. But it does seem I did something to cause the loop, which otherwise hasn't occurred.