Dragino DDS75-LB User Manual

Table of Contents

1. Introduction .......................................................................................................................................................................... 3
1.1 What is LoRaWAN Distance Detection Sensor ......................................................................................................... 3
1.2 Features .......................................................................................................................................................................... 3
1.3 Specification ................................................................................................................................................................... 3
1.4 Rated environmental conditions .................................................................................................................................. 4
1.5 Effective measurement range Reference beam pattern ........................................................................................... 4
1.6 Applications .................................................................................................................................................................... 5
1.7 Sleep mode and working mode ................................................................................................................................... 5
1.8 Button & LEDs ............................................................................................................................................................... 5
1.9 BLE connection .............................................................................................................................................................. 6
1.10 Pin Definitions .............................................................................................................................................................. 7
1.11 Mechanical ................................................................................................................................................................... 7
2. Configure DDS75-LB to connect to LoRaWAN network ............................................................................................... 8
2.1 How it works .................................................................................................................................................................. 8
2.2 Quick guide to connect to LoRaWAN server (OTAA) .............................................................................................. 9
2.3 Uplink Payload ............................................................................................................................................................ 13
2.3.1 Device Status, FPORT=5 .................................................................................................................................... 14
2.3.2 Battery Info ........................................................................................................................................................... 15
2.3.3 Distance ................................................................................................................................................................. 15
2.3.4 Interrupt Pin .......................................................................................................................................................... 15
2.3.5 DS18B20 Temperature sensor .......................................................................................................................... 15
2.3.6 Sensor Flag .......................................................................................................................................................... 15
2.3.7 Decode payload in The Things Network ........................................................................................................... 15
2.4 Uplink Interval ............................................................................................................................................................ 16
2.5 Show Data in DataCake IoT Server ........................................................................................................................ 16
2.6 Datalog Feature ........................................................................................................................................................... 19
2.6.1 Ways to get datalog via LoRaWAN .................................................................................................................... 19
2.6.2 Unix TimeStamp .................................................................................................................................................... 19
2.6.3 Set Device Time .................................................................................................................................................... 20
2.6.4 Poll sensor value ................................................................................................................................................... 20
2.7 Frequency Plans .......................................................................................................................................................... 21
3. Configure DDS75-LB ....................................................................................................................................................... 21
3.1 Configure Methods ...................................................................................................................................................... 21
3.2 General Commands .................................................................................................................................................... 21
3.3 Commands special design for DDS75-LB ............................................................................................................... 21
3.3.1 Set Transmit Interval Time .................................................................................................................................. 21
3.3.2 Set Interrupt Mode ................................................................................................................................................ 22
4. Battery & Power Consumption ....................................................................................................................................... 22
5. OTA Firmware update ..................................................................................................................................................... 22
6. FAQ .................................................................................................................................................................................... 23
6.1 What is the frequency plan for DDS75-LB? ........................................................................................................... 23
6.2 Can I use DDS75-LB in condensation environment? ............................................................................................ 23
7. Trouble Shooting ............................................................................................................................................................ 23
7.1 Why I can't join TTN V3 in US915 / AU915 bands? ............................................................................................. 23
7.2 AT Command input doesn't work ............................................................................................................................ 23
7.3 Why does the sensor reading show 0 or "No sensor" ........................................................................................... 23
7.4 Abnormal readings The gap between multiple readings is too large or the gap between the readings and the
actual value is too large .................................................................................................................................................... 23
8. Order Info .......................................................................................................................................................................... 24
9. Packing Info ...................................................................................................................................................................... 24
10. Support ............................................................................................................................................................................ 24
11. FCC Warning .................................................................................................................................................................. 24