Friendly guide for setup, wiring, operating modes, and troubleshooting. Designed for Australian farms and off‑grid sites.
| Terminals | Description |
|---|---|
| 1–2 | Power input 6–30 V DC |
| 3–4 | Low-side outputs (30 V / 50 A start) |
| 5–7 | Sensors: DHT22 / AM2302 / DS18B20 |
| 8–9 | Door/Gate (switch to ground) |
| 9–10 | Water/Leak (switch to ground, 20 s delay) |
| 11 | Mode button |
| 12 | SMA Antenna connector |
| 13 | PIR motion sensor (up to 5 m) |
| 14 | Status LED |
| 15 | RS‑232 TTL 5V, 9600 bps (8N1) |
| 16 | Buzzer |
| 17 | Internal supercapacitor |
| Mode | Door | Water | PIR |
|---|---|---|---|
| 1 | Active | Active | Active |
| 2 | Active | Active | Disabled |
| 3 | Active | Disabled | Active |
| 4 | Active | Disabled | Disabled |
| 5 | Disabled | Active | Active |
| 6 | Disabled | Active | Disabled |
| 7 | Disabled | Disabled | Active |
| 8 | Disabled | Disabled | Disabled |
Button control: Short press <1 s = force report; Hold 3 s = next mode; Hold 12 s = factory reset.
| Issue | Possible Cause | Solution |
|---|---|---|
| No data on display | No power / antenna issue | Verify power and antenna connections |
| Intermittent signal | Obstacles / distance | Raise antenna or use high‑gain model |
| Wrong temperature | Sensor wiring/type | Check DHT22 / DS18B20 wiring |
| No response | Config or mode issue | Hold button 12 s to reset |
AT commands: Connect the display via USB; open a serial terminal at 9600 bps (8N1); type AT+HELP? to list commands.
Downloads: PDF manual, firmware updates, wiring diagrams.
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