/** CounterTracker simple counter tracker for the Micro:Bit */ input.onButtonPressed(Button.A, function () { count += 1; basic.showNumber(count) }) input.onButtonPressed(Button.AB, function() { count = 0; basic.showNumber(count) }) function startup(): boolean { music.ringTone(Note.C) count = 0; basic.showNumber(count) return true } let count = 0; startup()