Dragino LoRaWAN LiDAR ToF User Manual
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Dragino LoRaWAN LiDAR ToF User Manual

Distance sensor
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LoRaWAN LiDAR ToF Distance Sensor User Manual
Document Version: 1.0
Image Version: v1.0
Version
Description
1.0
Release
LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual
www.dragino.com
Date
2021-Jun-2
1
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31

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Summary of Contents for Dragino LoRaWAN LiDAR ToF

  • Page 1 LoRaWAN LiDAR ToF Distance Sensor User Manual Document Version: 1.0 Image Version: v1.0 Version Description Date Release 2021-Jun-2 LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 2 Set Transmit Interval Time Set Interrupt Mode Get Firmware Version Info 5. Battery & how to replace Battery Type Replace Battery Power Consumption Analyze 5.3.1 Battery Note 5.3.2 Replace the battery 6. Use AT Command LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 3 How to change the LoRa Frequency Bands/Region 8. Trouble Shooting AT Commands input doesn’t work Significant error between the output distant value of LiDAR and actual distance 9. Order Info 9. Packing Info Support LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 4 1. Introduction 1.1 What is LoRaWAN LiDAR ToF Distance Sensor The Dragino LLDS12 is a LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!.
  • Page 5  Horizontal distance measurement  Parking management system  Object proximity and presence detection  Intelligent trash can management system  Robot obstacle avoidance  Automatic control  Sewer 1.6 Pin mapping and power on LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 6 LG308 as a LoRaWAN gateway in this example. The LG308 is already set to connected to TTN network , so what we need to now is configure the TTN server. LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 7 Each LLDS12 is shipped with a sticker with the default device EUI as below: You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot: Register the device Add APP EUI and DEV EUI LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 8 Add APP EUI in the application Add APP KEY LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 9 LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 10 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 upload messages to TTN and you can see the messages in the panel. LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...

  • Page 11: Battery Info

    0-1200. In actual use, when the signal strength value Strength. Example: If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm. LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...

  • Page 12: Message Type

    For a normal uplink payload, the message type is always 0x01. Valid Message Type: Message Type Code Description Payload 0x01 Normal Uplink Normal Uplink Payload 0x02 Reply configures info Configure Info Payload LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 13 2.4 Uplink Interval The LLDS12 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Comm ands#Change_Uplink_Interval LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 14 Step 2: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps: Step 3: Create an account or log in Datacake. Step 4: Create LLDS12 product. LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 15 LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 16 LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 17 Step 5: add payload decode LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 18 After added, the sensor data arrive TTN, it will also arrive and show in Datacake. LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...

  • Page 19: Frequency Plans

    487.1 - SF7BW125 to SF12BW125 487.3 - SF7BW125 to SF12BW125 487.5 - SF7BW125 to SF12BW125 487.7 - SF7BW125 to SF12BW125 Downlink: 506.7 - SF7BW125 to SF12BW125 506.9 - SF7BW125 to SF12BW125 507.1 - SF7BW125 to SF12BW125 LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 20 924.0 - SF7BW125 to SF10BW125 924.2 - SF7BW125 to SF10BW125 924.4 - SF7BW125 to SF10BW125 924.6 - SF7BW125 to SF10BW125 Downlink: Uplink channels 1-8 (RX1) 923.2 - SF10BW125 (RX2) 2.6.6 KR920-923 (KR920) LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...

  • Page 21: Led Indicator

    The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected. ➢ Blink once when device transmit a packet. 2.8 Firmware Change Log Firmware download link: http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/ Firmware Upgrade Method: http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_ products#Introduction LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 22 Vertical Coordinates: Represents the radius of light spot for The LiDAR probe at the different distances. The diameter of light spot depends on the FOV of The LiDAR probe (the term of FOV generally refers to the smaller value between the receiving angle and the transmitting LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 23 The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe. ➢ The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window. LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 24 ✓ General system settings like: uplink interval. ✓ LoRaWAN protocol & radio related command. They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These 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: 4.1 Set Transmit Interval Time...
  • Page 25 Device will send an uplink after got this downlink command. With below payload: Configures info payload: Size (bytes) Value Software Frequency Sub-band Firmware Sensor Reserve Message Type Band Version Type Type Always 0x02 Software Type: Always 0x03 for LLDS12 Frequency Band: *0x01: EU868 LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 26 IoT target for long-term running, such as water meter. The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance. LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...

  • Page 27: Replace Battery

    And make sure the positive and negative pins match. 5.3 Power Consumption Analyze Dragino Battery powered product are all 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 want to use different transmit interval.

  • Page 28: Replace The Battery

    ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes) LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...
  • Page 29 In the PC, you need to set the serial baud rate to 9600 to access the serial console for LLDS12. LLDS12 will output system info once power on as below: Valid AT Command please check Configure Device. LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...

  • Page 30: Troubleshooting

    AU915: LoRaWAN AU915 band ● EU433: LoRaWAN EU433 band ● EU868: LoRaWAN EU868 band ● KR920: LoRaWAN KR920 band ● US915: LoRaWAN US915 band ● IN865: LoRaWAN IN865 band ● CN470: LoRaWAN CN470 band LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...

  • Page 31: Packing Info

    ● Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to support@dragino.com LLDS12 LoRaWAN LiDAR ToF Distance Sensor User Manual...

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