puck js clock

clock.js

function update() {
  var now = new Date();
  var minutes = now.getMinutes();
  if (minutes < 10)
    minutes = "0"+minutes;
  var seconds = now.getSeconds();
  if (seconds < 10)
    seconds = "0"+seconds;
  var time = now.getHours()+":"+minutes+":"+seconds;
  
  g.clear();
  g.drawString(time, 0, 0);
  g.flip();
}

I2C1.setup({ scl: D1, sda: D2 });

var g = require("SSD1306").connect(I2C1, function () {
  g.setFontVector(20);
  update();
  setInterval(update, 1000);
});