8. Connect to The Things Network ................................................................................ 32
9. Payload Decoder ..................................................................................................................... 33
9.1 Decoder Code...................................................................................................................................33
9.2 Packet Parsing................................................................................................................................ 33
9.2.1 Packet Initialization.............................................................................................................................................33
9.3 Data Parsing Example............................................................................................................... 34
9.3.1 Measurements List..............................................................................................................................................34
9.3.2 Example – S2101 Air Temperature and Humidity Sensor.................................................... 36
9.3.1 Example – S2102 Light Intensity Sensor............................................................................................. 37
9.3.2 Example – S2103 CO2, Temperature and Humidity Sensor.............................................. 38
9.3.3 Example – S2104 Soil Moisture and Temperature Sensor .................................................. 39
9.3.4 Example – S2105 Soil Moisture, Temperature and EC Sensor........................................40
9.3.5 Example – S2106 pH Sensor........................................................................................................................40
9.4 Battery Information..................................................................................................................... 41
10. LoRaWAN Downlink Command...............................................................................43
10.1 Set the Data Uplink Interval.................................................................................................. 43
10.2 Reboot the device.......................................................................................................................45
10.3 How to send downlink.............................................................................................................45
11. Error code .....................................................................................................................................46
11.1 Details...................................................................................................................................................46
12. Device Installation............................................................................................................... 47
12.1 The Do's and Don'ts.................................................................................................................... 47
12.2 Installing Bracket........................................................................................................................ 48
12.2.1 Installing the Sensor Bracket....................................................................................................................48
12.2.1 Mount on Pole and Wall................................................................................................................................49
12.2.2 Antenna Installation Direction................................................................................................................49
12.3 Installation Considerations for Sensors......................................................................... 50
12.3.1 Install the S2101/S2103......................................................................................................................................50
12.3.1 Install the S2102 .................................................................................................................................................... 50
12.3.1 Install the S2104/S2105 ......................................................................................................................................51
12.4 Replace the Battery................................................................................................................... 52
12.4.1 How to Buy the Battery................................................................................................................................. 52
12.4.2 How to Replace a New Battery...............................................................................................................52
13. Calibration Sensor .................................................................................................................55
13.1 S2101/S2103: Temperature and Humidity....................................................................... 55
13.2 S2103: Calibration of CO2.........................................................................................................55
13.3 S2104 and S2105: Calibration of Soil Moisture and EC...........................................57
