diff --git a/ioBroker/Blockly/Countdown_Timer.ts b/ioBroker/Blockly/Countdown_Timer.ts
new file mode 100644
index 00000000..4acf028b
--- /dev/null
+++ b/ioBroker/Blockly/Countdown_Timer.ts
@@ -0,0 +1,46 @@
+const dp_userdata: string = '0_userdata.0.NSPanel';
+const dp_alias: string = 'alias.0.NSPanel';
+
+// Der nachfolgende Datenpunkt muss manuell angelegt werden
+const dpAction: string = '0_userdata.0.example_boolean';  // anpassen
+
+const Debug = false;
+
+let intervallCounter: any;
+
+let sec_timer = getState(dp_userdata + '.Countdown.Time').val;
+on({ id: dp_userdata + '.Countdown.State', change: 'ne' }, async (obj) => {
+
+  switch (obj.state.val) {
+      case 'active':
+    if (intervallCounter) { clearInterval(intervallCounter); intervallCounter = null; };
+    intervallCounter = setInterval(async () => {
+      if (getState(dp_userdata + '.Countdown.Time').val > 0) {
+        sec_timer = getState(dp_userdata + '.Countdown.Time').val;
+        setState(dp_userdata + '.Countdown.Time', (sec_timer - 1), false);
+      } else {
+        setState(dp_userdata + '.Countdown.Time', 0,  false);
+        setState(dp_userdata + '.Countdown.State', 'idle', false);
+        // An dieser Stelle kann auch noch eine Meldung an Alexa oder Telegram, etc. erfolgen
+      }
+    }, 1000);
+
+          break;
+      default:
+    if (intervallCounter) { clearInterval(intervallCounter); intervallCounter = null; };
+
+          break;
+  }
+});
+
+async function Init_Datenpunkte() {
+  if (existsState(dp_alias + '.Countdown.ACTUAL') == false) {
+    await createStateAsync(dp_userdata + '.Countdown.Time', '0', { type: 'number'});
+    await createStateAsync(dp_userdata + '.Countdown.State', 'paused', { type: 'string' });
+    setObject(dp_alias + '.Countown', { type: 'channel', common: { role: 'level.timer', name: 'Countdown' }, native: {} });
+    await createAliasAsync(dp_alias + '.Countdown.ACTUAL', dp_userdata + '.Countdown.Time', true, <iobJS.StateCommon>{ type: 'number', role: 'state', name: 'ACTUAL' });
+    await createAliasAsync(dp_alias + '.Countdown.STATE', dp_userdata + '.Countdown.State', true, <iobJS.StateCommon>{ type: 'string', role: 'state', name: 'STATE' });
+    log("<PageItem>{id: '"+ dp_alias + ".Countdown', name: 'Timer'}", 'info');
+  }
+}
+Init_Datenpunkte();