diff --git a/smart-home/scripts/add_heizraum_io_panels.py b/smart-home/scripts/add_heizraum_io_panels.py
new file mode 100755
index 000000000..6f9c8b404
--- /dev/null
+++ b/smart-home/scripts/add_heizraum_io_panels.py
@@ -0,0 +1,163 @@
+#!/usr/bin/env python3
+"""Heizraum I/O Zeilen am Heizung-Dashboard (idempotent)."""
+import json
+import subprocess
+
+BASE = "http://100.66.78.56:3000"
+DS_UID = "ffptl25vzylfke"  # InfluxDB-sensors
+ROW_IN = "⚡ Heizraum Eingänge (Optokoppler)"
+ROW_OUT = "🔌 Heizraum Ausgänge"
+PANEL_IDS = list(range(910, 920))
+
+
+def curl(path, method="GET", body=None):
+    cmd = ["curl", "-s", "-u", "admin:astral66", "-X", method, f"{BASE}{path}"]
+    if body is not None:
+        cmd += ["-H", "Content-Type: application/json", "-d", json.dumps(body)]
+    r = subprocess.run(cmd, capture_output=True, text=True, timeout=30)
+    return json.loads(r.stdout) if r.stdout.startswith(("{", "[")) else r.stdout
+
+
+def io_stat(pid, title, signal, x, y, w=4, h=4, on_text="AN", off_text="AUS"):
+    return {
+        "id": pid,
+        "type": "stat",
+        "title": title,
+        "description": (
+            f"Heizraum-Knoten Eingang `{signal}` (GPIO Optokoppler, active-low). "
+            f"MQTT: heizraum/io/{signal}" if signal != "kessel" else
+            "Kessel-Schaltausgang GPIO16 (Relais). 1=abgeschaltet, 0=freigegeben. "
+            "MQTT: heizraum/state/kessel"
+        ),
+        "datasource": {"type": "influxdb", "uid": DS_UID},
+        "gridPos": {"h": h, "w": w, "x": x, "y": y},
+        "fieldConfig": {
+            "defaults": {
+                "mappings": [
+                    {
+                        "type": "value",
+                        "options": {
+                            "1": {"text": on_text, "color": "green" if signal != "kessel" else "red", "index": 0},
+                            "0": {"text": off_text, "color": "red" if signal != "kessel" else "green", "index": 1},
+                        },
+                    },
+                ],
+                "noValue": off_text,
+                "color": {"mode": "thresholds"},
+                "thresholds": {
+                    "mode": "absolute",
+                    "steps": [
+                        {"color": "red" if signal != "kessel" else "green", "value": None},
+                        {"color": "green" if signal != "kessel" else "red", "value": 1},
+                    ],
+                },
+            }
+        },
+        "options": {
+            "reduceOptions": {"values": False, "calcs": ["lastNotNull"]},
+            "colorMode": "background",
+            "graphMode": "none",
+        },
+        "targets": [{
+            "refId": "A",
+            "rawQuery": True,
+            "query": (
+                f'SELECT last("value") FROM "io_state" '
+                f"WHERE \"node\"='heizraum' AND \"signal\"='{signal}'"
+            ),
+        }],
+    }
+
+
+d = curl("/api/dashboards/uid/heizung")
+dash = d["dashboard"]
+
+remove_titles = {
+    ROW_IN, ROW_OUT,
+    "Pumpe 1", "Pumpe 2", "Pumpe 3", "Pumpe 4", "Brenner",
+    "Kessel (Ausgang)",
+}
+dash["panels"] = [
+    p for p in dash["panels"]
+    if p.get("title") not in remove_titles and p.get("id") not in PANEL_IDS
+]
+
+max_y = 0
+for p in dash["panels"]:
+    gp = p.get("gridPos", {})
+    max_y = max(max_y, gp.get("y", 0) + gp.get("h", 0))
+
+y = max_y
+
+# --- Eingänge ---
+dash["panels"].append({
+    "id": 910,
+    "type": "row",
+    "title": ROW_IN,
+    "gridPos": {"h": 1, "w": 24, "x": 0, "y": y},
+    "collapsed": False,
+})
+y += 1
+
+inputs = [
+    (911, "Pumpe 1", "pumpe1", 0),
+    (912, "Pumpe 2", "pumpe2", 4),
+    (913, "Pumpe 3", "pumpe3", 8),
+    (914, "Pumpe 4", "pumpe4", 12),
+    (915, "Brenner", "brenner", 16),
+]
+for pid, title, signal, x in inputs:
+    dash["panels"].append(io_stat(pid, title, signal, x, y))
+y += 4
+
+# --- Ausgänge ---
+dash["panels"].append({
+    "id": 916,
+    "type": "row",
+    "title": ROW_OUT,
+    "gridPos": {"h": 1, "w": 24, "x": 0, "y": y},
+    "collapsed": False,
+})
+y += 1
+
+dash["panels"].append(
+    io_stat(917, "Kessel (Ausgang)", "kessel", 0, y, on_text="ABGESCHALTET", off_text="FREIGEGEBEN")
+)
+
+# Verlauf aller IO-Signale
+dash["panels"].append({
+    "id": 918,
+    "type": "timeseries",
+    "title": "Heizraum I/O Verlauf",
+    "description": "Eingänge (Pumpen/Brenner) und Kessel-Ausgang über Zeit.",
+    "datasource": {"type": "influxdb", "uid": DS_UID},
+    "gridPos": {"h": 8, "w": 24, "x": 0, "y": y + 4},
+    "fieldConfig": {
+        "defaults": {
+            "custom": {"drawStyle": "line", "lineWidth": 2, "spanNulls": 60000, "showPoints": "never"},
+            "min": 0,
+            "max": 1,
+        }
+    },
+    "options": {
+        "legend": {"displayMode": "table", "placement": "bottom", "calcs": ["last"]},
+    },
+    "targets": [{
+        "refId": "A",
+        "rawQuery": True,
+        "query": (
+            'SELECT mean("value") FROM "io_state" '
+            "WHERE \"node\"='heizraum' AND $timeFilter "
+            "GROUP BY time($__interval), \"signal\" fill(null)"
+        ),
+    }],
+})
+
+dash["version"] = dash.get("version", 0) + 1
+resp = curl("/api/dashboards/db", "POST", {
+    "dashboard": dash,
+    "folderId": 0,
+    "overwrite": True,
+    "message": "Heizraum I/O Eingänge und Ausgänge",
+})
+print(json.dumps(resp, indent=2)[:600])