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software/firmware/shelly-monitor/README.md

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+# Shelly Plug
+
+If you already have a sheyll device, you can locate it in your network.
+
+![Web interface](./docs/images/shelly1.png "web interace")
+
+MQTT can be enabled under "ADVANCED - DEVELOPER SETTINGS" -> "MQTT".
+
+![MQTT](./docs/images/shelly2.png "mqtt2")
+
+Then it will post a message on boot to your MQTT server:
+```json
+{
+  "wifi_sta": {
+    "connected": true,
+    "ssid": "Guest",
+    "ip": "192.168.2.150",
+    "rssi": -43
+  },
+  "cloud": {
+    "enabled": false,
+    "connected": false
+  },
+  "mqtt": {
+    "connected": true
+  },
+  "time": "17:19",
+  "unixtime": 1676909964,
+  "serial": 1,
+  "has_update": false,
+  "mac": "4022D8891E97",
+  "cfg_changed_cnt": 0,
+  "actions_stats": {
+    "skipped": 0
+  },
+  "relays": [
+    {
+      "ison": true,
+      "has_timer": false,
+      "timer_started": 0,
+      "timer_duration": 0,
+      "timer_remaining": 0,
+      "overpower": false,
+      "source": "input"
+    }
+  ],
+  "meters": [
+    {
+      "power": 117.46,
+      "overpower": 0,
+      "is_valid": true,
+      "timestamp": 1676913564,
+      "counters": [
+        0,
+        0,
+        0
+      ],
+      "total": 0
+    }
+  ],
+  "temperature": 0,
+  "overtemperature": false,
+  "tmp": {
+    "tC": 0,
+    "tF": 32,
+    "is_valid": true
+  },
+  "update": {
+    "status": "unknown",
+    "has_update": false,
+    "new_version": "",
+    "old_version": "20230109-114426/v1.12.2-g32055ee"
+  },
+  "ram_total": 52064,
+  "ram_free": 39744,
+  "fs_size": 233681,
+  "fs_free": 166664,
+  "uptime": 5
+}
+```
+
+You an use shelly script to update this status periodically.
+