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LHT65 Temperature & Humidity sensor 3 / 56
1. Introduction..............................................................................................................................6
1.1 What is LHT65 Temperature & Humidity Sensor ........................................................................6
1.2 Features......................................................................................................................................7
1.3 Specifications..............................................................................................................................7
1.4 Power Consumption ...................................................................................................................8
1.5 Storage & Operation Temperature.............................................................................................9
1.6 Applications................................................................................................................................9
2. Operation Mode .....................................................................................................................10
2.1 How to activate LHT65? ...........................................................................................................10
2.2 How it works?...........................................................................................................................10
2.3 Example to join LoRaWAN network..........................................................................................10
2.4 Uplink Payload..........................................................................................................................12
2.4.1 Decoder in TTN ...............................................................................................................13
2.4.2 BAT-Battery Info..............................................................................................................13
2.4.3 Built-in Temperature.......................................................................................................14
2.4.4 Built-in Humidity.............................................................................................................14
2.4.5 Ext # ................................................................................................................................14
2.4.6 Ext value .........................................................................................................................14
2.4.7 Ext=1, E1 Temperature Sensor........................................................................................15
2.4.8 Ext=4, Interrupt Sensor...................................................................................................16
2.4.9 Ext=5, E5 Illumination Sensor .........................................................................................18
2.4.10 Ext=6, ADC Sensor ..........................................................................................................19
2.4.11 Ext=7, Counting Sensor...................................................................................................20
2.4.12 Ext=8, Counting Sensor ( 4 bytes) ...................................................................................21
2.4.13 Ext=9, E1 sensor with Unix Time stamp..........................................................................23
2.5 Show data on MyDevices .........................................................................................................23
2.6 Datalog Feature........................................................................................................................27
2.6.1 Unix TimeStamp..............................................................................................................27
2.6.2 Set Device Time ..............................................................................................................27
2.6.3 Poll sensor value .............................................................................................................28
2.6.4 Datalog Uplink payload...................................................................................................29
2.7 Alarm Mode..............................................................................................................................30
2.8 LED Indicator ............................................................................................................................32
3. Configure LHT65 via AT Command or LoRaWAN Downlink......................................................33
