background image

 

 

www.dragino.com

 

LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual

 

  

1

 / 

31

 

 
 
 

 

 
 
 
 

LoRaWAN LiDAR ToF Distance Sensor User Manual 
 

Document Version: 1.0 
Image Version: v1.0 
 
 

Version 

Description 

Date 

1.0 

Release 

2021-Jun-2 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for LoRaWAN LiDAR ToF

Page 1: ...dragino com LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual 1 31 LoRaWAN LiDAR ToF Distance Sensor User Manual Document Version 1 0 Image Version v1 0 Version Description Date 1 0 Release 2021 Ju...

Page 2: ...yload in The Things Network 13 2 4 Uplink Interval 13 2 5 Show Data in DataCake IoT Server 14 2 6 Frequency Plans 19 2 6 1 EU863 870 EU868 19 2 6 2 US902 928 US915 19 2 6 3 CN470 510 CN470 19 2 6 4 AU...

Page 3: ...Access AT Commands 29 7 FAQ 30 7 1 How to change the LoRa Frequency Bands Region 30 8 Trouble Shooting 30 8 1 AT Commands input doesn t work 30 8 2 Significant error between the output distant value o...

Page 4: ...avoidance automatic control sewer etc It detects the distance between the measured object and the sensor and uploads the value via wireless to LoRaWAN IoT Server The LoRa wireless technology used in...

Page 5: ...ating temperature 20 60 Operating Range 0 1m 12m Accuracy 5cm 0 1 6m 1 6m 12m Distance resolution 5mm Ambient light immunity 70klux Enclosure rating IP65 Light source LED Central wavelength 850nm FOV...

Page 6: ...tically join the network via OTAA and start to send the sensor value The default uplink interval is 20 minutes In case you can t set the OTAA keys in the LoRaWAN OTAA server and you have to use the ke...

Page 7: ...ual 7 31 Step 1 Create a device in TTN with the OTAA keys from LLDS12 Each LLDS12 is shipped with a sticker with the default device EUI as below You can enter this key in the LoRaWAN Server portal Bel...

Page 8: ...www dragino com LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual 8 31 Add APP EUI in the application Add APP KEY...

Page 9: ...www dragino com LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual 9 31...

Page 10: ...ual 10 31 Step 2 Power on LLDS12 Put a Jumper on JP2 to power on the device The Switch must be in FLASH position Step 3 The LLDS12 will auto join to the TTN network After join success it will start to...

Page 11: ...will report temperature Example If payload is 0105H 0105 FC00 0 temp 0105H 10 26 1 degree If payload is FF3FH FF3F FC00 1 temp FF3FH 65536 10 19 3 degrees 2 3 3 Distance Represents the distance value...

Page 12: ...5535 the measured value of Dist is considered credible Customers can judge whether they need to adjust the environment based on the signal strength 2 3 5 Interrupt Pin This data field shows if this pa...

Page 13: ...ecoder function for TTN is here LLDS12 TTN Payload Decoder https www dragino com downloads index php dir LoRa_End_Node LLDS12 Deco der 2 4Uplink Interval The LLDS12 by default uplink the sensor data e...

Page 14: ...an use DATACAKE to connect to TTN and see the data in DATACAKE Below are the steps Step 1 Be sure that your device is programmed and properly connected to the network at this time Step 2 To configure...

Page 15: ...www dragino com LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual 15 31...

Page 16: ...www dragino com LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual 16 31...

Page 17: ...www dragino com LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual 17 31 Step 5 add payload decode...

Page 18: ...www dragino com LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual 18 31 After added the sensor data arrive TTN it will also arrive and show in Datacake...

Page 19: ...t To make sure the end node supports all sub band by default In the OTAA Join process the end node will use frequency 1 from sub band1 then frequency 1 from sub band2 then frequency 1 from sub band3 e...

Page 20: ...oin Accept message and switch to that sub band Use the Join successful sub band if the server doesn t include sub band info in the OTAA Join Accept message TTN v2 doesn t include 2 6 5 AS920 923 AS923...

Page 21: ...might be changed to SF9BW125 2 6 7 IN865 867 IN865 Uplink 865 0625 SF7BW125 to SF12BW125 865 4025 SF7BW125 to SF12BW125 865 9850 SF7BW125 to SF12BW125 Downlink Uplink channels 1 3 RX1 866 550 SF10BW1...

Page 22: ...zed influence from external environment on distance measurement performance Despite that the range of distance measurement may still be affected by the environment illumination intensity and the refle...

Page 23: ...istance values of the two objects For a high accuracy requirement in practice the above situation should be noticed to avoid the measurement error 3 3 Notice of usage Possible invalid wrong reading fo...

Page 24: ...commands can be found on the wiki http wiki dragino com index php title End_Device_Downlink_Command Commands special design for LLDS12 These commands only valid for LLDS12 as below 4 1Set Transmit In...

Page 25: ...sing edge trigger and the type code is 06 Example 1 Downlink Payload 06000000 Turn off interrupt mode Example 2 Downlink Payload 06000003 Set the interrupt mode to rising edge trigger 4 3Get Firmware...

Page 26: ...LDDS75 0x03 LDDS20 0x04 LLMS01 0x05 LSPH01 0x06 LSNPK01 0x07 LLDS12 5 Battery how to replace 5 1Battery Type LLDS12 is equipped with a 8500mAH ER26500 Li SOCI2 battery The battery is un rechargeable b...

Page 27: ...runs in Low Power mode We have an update battery calculator which base on the measurement of the real device User can use this calculator to check the battery life and calculate the battery life if w...

Page 28: ...the battery life may be decreased 5 3 2 Replace the battery You can change the battery in the LLDS12 The type of battery is not limited as long as the output is between 3v to 3 6v On the main board t...

Page 29: ...firmware You can use a USB to TTL adapter to connect to LLDS12 for using AT command as below Connection USB TTL GND GND USB TTL TXD UART_RXD USB TTL RXD UART_TXD In the PC you need to set the serial...

Page 30: ...rror between the output distant value of LiDAR and actual distance Cause Due to the physical principles of The LiDAR probe the above phenomenon is likely to occur if the detection object is the materi...

Page 31: ...m Weight pcs g 10 Support Support is provided Monday to Friday from 09 00 to 18 00 GMT 8 Due to different timezones we cannot offer live support However your questions will be answered as soon as poss...

Reviews: