diff --git a/puck.js b/puck.js
new file mode 100644
index 0000000..61ce53f
--- /dev/null
+++ b/puck.js
@@ -0,0 +1,143 @@
+var count = 0;
+
+function ledsAnim(level) {
+  var BLACK  = 0;
+  var RED    = 1;
+  var GREEN  = 2;
+  var BLUE   = 4;
+  var WHITE  = RED + GREEN + BLUE;
+  var YELLOW = RED + GREEN;
+  var CYAN   = BLUE + GREEN;
+  var MAGENTA = BLUE + RED;
+
+  switch(level) {
+    case "stop":
+      digitalWrite([LED3,LED2,LED1],RED);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],BLACK);},    5);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],RED);},   200);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],BLACK);},   205);
+      break;
+    case "wakeup":
+      digitalWrite([LED3,LED2,LED1],WHITE);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],BLACK);},    5);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],WHITE);},   200);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],BLACK);},   205);
+      break;
+    case "adjust":
+      digitalWrite([LED3,LED2,LED1],WHITE);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],BLACK);},    5);
+      break;
+    case "start":
+      digitalWrite([LED3,LED2,LED1],WHITE);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],BLACK);},    5);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],WHITE);},   200);
+      setTimeout(function(){digitalWrite([LED3,LED2,LED1],BLACK);},   205);
+      break;
+  }
+}
+
+var fsmState = "reset";
+var fsmCount = 0;
+var fsmIv = null;
+var fsmTm = null;
+
+function fsmPressed() {
+  switch (fsmState) {
+    case "setting":
+      ledsAnim("adjust");
+      clearTimeout(fsmTm);
+      fsmTm = setInterval(function() {fsmTick();}, 5000);
+      fsmCount += 30;
+      broadcast(["Set to ", fsmCount.toString(),"s"].join(''));
+      break;
+  }
+}
+
+function fsmLongPressed() {
+  switch (fsmState) {
+    case "reset":
+      ledsAnim("wakeup");
+      fsmTm = setTimeout(function() {fsmTick();}, 5000);
+      fsmState = "setting";
+      fsmCount = 30;
+      broadcast(["Set to ", fsmCount.toString(),"s"].join(''));
+      break;
+    case "countdown":
+      ledsAnim("stop");
+      broadcast(null);
+      clearInterval(fsmIv);
+      fsmState = "reset";
+      break;
+  }
+}
+
+function fsmTick() {
+  switch(fsmState) {
+    case "setting":
+      ledsAnim("start");
+      clearTimeout(fsmTm);
+      fsmTm = null;
+      fsmState = "countdown";
+      fsmIv = setInterval(function() {fsmTick();}, 1000);
+      break;
+    case "countdown":
+      fsmCount--;
+      var minutes       = Math.floor(fsmCount / 60);
+      var minutes_tens  = Math.floor(minutes / 10);
+      var minutes_units = minutes % 10;
+      var seconds       = fsmCount % 60;
+      var seconds_tens  = Math.floor(seconds / 10);
+      var seconds_units = seconds % 10;
+      var msg = [minutes_tens.toString(),minutes_units.toString(),":",seconds_tens.toString(),seconds_units.toString()].join('');
+      broadcast(msg);
+      if (!fsmCount) {
+        broadcast(null);
+        clearInterval(fsmIv);
+        fsmState = "reset";
+      }
+      break;
+    }
+}
+
+var timoutObj = null;
+var LONG_PRESS_MILLIS = 300;
+
+function btnPressed() {
+  timoutObj = setTimeout(function(){
+    timoutObj = null;
+    fsmLongPressed();
+  }, LONG_PRESS_MILLIS);
+}
+
+function btnReleased() {
+  if (timoutObj) {
+    clearTimeout(timoutObj);
+    timoutObj = null;
+    fsmPressed();
+  }
+}
+
+setWatch(btnPressed,  BTN, {edge:"rising", repeat:true,debounce:50});
+setWatch(btnReleased, BTN, {edge:"falling",repeat:true,debounce:50});
+
+var bcstIv  = null;
+var bcstMsg = null;
+function broadcast(message) {
+  if (!message) {
+    if (bcstIv) {
+      clearInterval(bcstIv);
+      bcstIv = null;
+      NRF.setAdvertising({});
+    }
+  } else {
+    message = message.padEnd(16, " ");
+    if (!bcstIv) {
+      bcstIv = setInterval(function() {
+        require("ble_eddystone_uid").advertise(
+        [bcstMsg[0], bcstMsg[1], bcstMsg[2], bcstMsg[3], bcstMsg[4], bcstMsg[5], bcstMsg[6], bcstMsg[7], bcstMsg[8], bcstMsg[9],  // namespace
+        bcstMsg[10], bcstMsg[11], bcstMsg[12], bcstMsg[13], bcstMsg[14], bcstMsg[15]]); // instance
+      }, 250);
+    }
+    bcstMsg = message;
+  }
+}
\ No newline at end of file