Problem with edge:"rising"

Nice solution, Bogdan. I would improve it to allow passing params from one to another, so you would not need to use globals. This does degrade readability though:

function setupBTN1(customParams) {
  return function() {
    function test() {
      return callback();
    }
    var id = setWatch(test, BTN1, {repeat:false, edge:"rising"});
    function callback() {
      console.log('Hello! watch id was', id, 'and customParams was', customParams);
      clearWatch(id);
      setTimeout(setupBTN1(customParams + Math.random()), 1000);
    }
  };
}
setupBTN1(0)();