Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual

Last modified by Mengting Qiu on 2025/02/26 15:04

From version < 150.42 >

edited by Xiaoling
on 2022/06/11 09:14

To version < 151.10 >

edited by Xiaoling
on 2022/06/11 09:36

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@@ -1,9 +1,56 @@
  (% style="text-align:center" %)
--[[image:1654846127817-788.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654846127817-788.png?rev=1.1||alt="1654846127817-788.png"]]
  **Contents:**
--{{toc/}}
++* [[1.  Introduction>>path:#H1.A0Introduction]]
++** [[1.1  What is LoRaWAN Distance Detection Sensor>>path:#H1.1200BWhatisLoRaWANDistanceDetectionSensor]]
++** [[1.2  Features>>path:#H200B1.2A0Features]]
++** [[1.3  Specification>>path:#H1.3A0Specification]]
++*** [[1.3.1  Rated environmental conditions>>path:#H1.3.1A0Ratedenvironmentalconditions]]
++*** [[1.3.2  Effective measurement range Reference beam pattern>>path:#H1.3.2A0EffectivemeasurementrangeReferencebeampattern]]
++** [[1.5  Applications>>path:#H1.5200BApplications]]
++** [[1.6  Pin mapping and power on>>path:#H1.6A0Pinmappingandpoweron]]
++* [[2.  Configure LDDS75 to connect to LoRaWAN network>>path:#H2.A0ConfigureLDDS75toconnecttoLoRaWANnetwork]]
++** [[2.1  How it works>>path:#H2.1A0Howitworks]]
++** [[2.2  Quick guide to connect to LoRaWAN server (OTAA)>>path:#H2.2A0200BQuickguidetoconnecttoLoRaWANserver28OTAA29]]
++** [[2.3  Uplink Payload>>path:#H2.3A0200BUplinkPayload]]
++*** [[2.3.1  Battery Info>>path:#H2.3.1A0BatteryInfo]]
++*** [[2.3.2  Distance>>path:#H2.3.2A0Distance]]
++*** [[2.3.3  Interrupt Pin>>path:#H2.3.3A0InterruptPin]]
++*** [[2.3.4  DS18B20 Temperature sensor>>path:#H2.3.4A0DS18B20Temperaturesensor]]
++*** [[2.3.5  Sensor Flag>>path:#H2.3.5A0SensorFlag]]
++*** [[2.3.6  Decode payload in The Things Network>>path:#H2.3.6A0DecodepayloadinTheThingsNetwork]]
++** [[2.4  Uplink Interval>>path:#H2.4A0UplinkInterval]]
++** [[2.5  Show Data in DataCake IoT Server>>path:#H2.5A0200BShowDatainDataCakeIoTServer]]
++** [[2.6  Frequency Plans>>path:#H2.6A0FrequencyPlans]]
++*** [[2.6.1  EU863-870 (EU868)>>path:#H2.6.1A0EU863-87028EU86829]]
++*** [[2.6.2  US902-928(US915)>>path:#H2.6.2A0US902-92828US91529]]
++*** [[2.6.3  CN470-510 (CN470)>>path:#H2.6.3A0CN470-51028CN47029]]
++*** [[2.6.4  AU915-928(AU915)>>path:#H2.6.4A0AU915-92828AU91529]]
++*** [[2.6.5  AS920-923 & AS923-925 (AS923)>>path:#H2.6.5A0AS920-92326AS923-92528AS92329]]
++*** [[2.6.6  KR920-923 (KR920)>>path:#H2.6.6A0KR920-92328KR92029]]
++*** [[2.6.7  IN865-867 (IN865)>>path:#H2.6.7A0IN865-86728IN86529]]
++** [[2.7  LED Indicator>>path:#H2.7A0LEDIndicator]]
++** [[2.8  Firmware Change Log>>path:#H2.8A0200BFirmwareChangeLog]]
++** [[2.9  Mechanical>>path:#H2.9A0Mechanical]]
++** [[2.10  Battery Analysis>>path:#H2.10A0BatteryAnalysis]]
++*** [[2.10.1  Battery Type>>path:#H2.10.1A0BatteryType]]
++*** [[2.10.2  Replace the battery>>path:#H2.10.2A0Replacethebattery]]
++* [[3.  Configure LDDS75 via AT Command or LoRaWAN Downlink>>path:#H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink]]
++** [[3.1  Access AT Commands>>path:#H3.1A0AccessATCommands]]
++** [[3.2  Set Transmit Interval Time>>path:#H3.2A0SetTransmitIntervalTime]]
++** [[3.3  Set Interrupt Mode>>path:#H3.3A0SetInterruptMode]]
++* [[4.  FAQ>>path:#H4.A0FAQ]]
++** [[4.1  What is the frequency plan for LDDS75?>>path:#H4.1A0WhatisthefrequencyplanforLDDS753F]]
++** [[4.2  How to change the LoRa Frequency Bands/Region>>path:#H4.2A0HowtochangetheLoRaFrequencyBands2FRegion]]
++** [[4.3  Can I use LDDS75 in condensation environment?>>path:#H4.3A0CanIuseLDDS75incondensationenvironment3F]]
++* [[5.  Trouble Shooting>>path:#H5.A0TroubleShooting]]
++** [[5.1  Why I can’t join TTN V3 in US915 / AU915 bands?>>path:#H5.1A0WhyIcan2019tjoinTTNV3inUS9152FAU915bands3F]]
++** [[5.2  AT Command input doesn't work>>path:#H5.2A0ATCommandinputdoesn27twork]]
++* [[6.  Order Info>>path:#H6.A0OrderInfo]]
++* [[7.  Packing Info>>path:#H7.200BPackingInfo]]
++* [[8.  Support>>path:#H8.A0200BSupport]]
@@ -67,7 +67,7 @@
  )))
--[[image:1654847051249-359.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654847051249-359.png?rev=1.1||alt="1654847051249-359.png"]]
@@ -87,11 +87,13 @@
  * 4000mAh or 8500mAh Battery for long term use
++
++
  == 1.3  Specification ==
  === 1.3.1  Rated environmental conditions ===
--[[image:image-20220610154839-1.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610154839-1.png?rev=1.1||alt="image-20220610154839-1.png"]]
  (((
  **Remarks: (1)  a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
@@ -105,14 +105,16 @@
--[[image:1654852253176-749.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852253176-749.png?rev=1.1||alt="1654852253176-749.png"]]
++(((
  **(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.**
++)))
--[[image:1654852175653-550.png]](% style="display:none" %) ** **
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654852175653-550.png?rev=1.1||alt="1654852175653-550.png"]](% style="display:none" %) ** **
@@ -130,10 +130,11 @@
++
  == 1.6  Pin mapping and power on ==
--[[image:1654847583902-256.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654847583902-256.png?rev=1.1||alt="1654847583902-256.png"]]
@@ -146,7 +146,7 @@
  )))
  (((
--In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
++In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>path:#H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink]]to set the keys in the LDDS75.
  )))
@@ -158,7 +158,7 @@
  )))
  (((
--[[image:1654848616367-242.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654848616367-242.png?rev=1.1||alt="1654848616367-242.png"]]
  )))
  (((
@@ -173,34 +173,40 @@
  Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
  )))
--[[image:image-20220607170145-1.jpeg]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220607170145-1.jpeg?rev=1.1||alt="image-20220607170145-1.jpeg"]]
++(((
  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
++)))
++(((
  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
++)))
++(((
  **Add APP EUI in the application**
++)))
--[[image:image-20220610161353-4.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-4.png?rev=1.1||alt="image-20220610161353-4.png"]]
--[[image:image-20220610161353-5.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-5.png?rev=1.1||alt="image-20220610161353-5.png"]]
--[[image:image-20220610161353-6.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-6.png?rev=1.1||alt="image-20220610161353-6.png"]]
--[[image:image-20220610161353-7.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161353-7.png?rev=1.1||alt="image-20220610161353-7.png"]]
  You can also choose to create the device manually.
--                                          [[image:image-20220610161538-8.png]]
++                                          [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161538-8.png?rev=1.1||alt="image-20220610161538-8.png"]]
  **Add APP KEY and DEV EUI**
--[[image:image-20220610161538-9.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161538-9.png?rev=1.1||alt="image-20220610161538-9.png"]]
@@ -209,7 +209,7 @@
  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
--[[image:image-20220610161724-10.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610161724-10.png?rev=1.1||alt="image-20220610161724-10.png"]]
  (((
@@ -216,7 +216,7 @@
  (% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 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.
  )))
--[[image:1654849068701-275.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654849068701-275.png?rev=1.1||alt="1654849068701-275.png"]]
@@ -223,11 +223,15 @@
  == 2.3  Uplink Payload ==
  (((
++(((
  LDDS75 will uplink payload via LoRaWAN with below payload format:
++)))
++(((
  Uplink payload includes in total 4 bytes.
  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
  )))
++)))
  (((
@@ -237,15 +237,15 @@
  |=(% style="width: 62.5px;" %)(((
  **Size (bytes)**
  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
--|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
--[[Distance>>||anchor="H2.3.2A0Distance"]]
++|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>path:#H2.3.1A0BatteryInfo]]|(((
++[[Distance>>path:#H2.3.2A0Distance]]
  (unit: mm)
--)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
--[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
--)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
++)))|[[Digital Interrupt (Optional)>>path:#H2.3.3A0InterruptPin]]|(((
++[[Temperature (Optional )>>path:#H2.3.4A0DS18B20Temperaturesensor]]
++)))|[[Sensor Flag>>path:#H2.3.5A0SensorFlag]]
--[[image:1654850511545-399.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850511545-399.png?rev=1.1||alt="1654850511545-399.png"]]
@@ -262,17 +262,24 @@
  === 2.3.2  Distance ===
++(((
  Get the distance. Flat object range 280mm - 7500mm.
++)))
++(((
  For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
++)))
  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
  * If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
++
++
++
  === 2.3.3  Interrupt Pin ===
--This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
++This data field shows if this packet is generated by interrupt or not. [[Click here>>path:#H3.3A0SetInterruptMode]] for the hardware and software set up.
  **Example:**
@@ -298,9 +298,13 @@
  === 2.3.5  Sensor Flag ===
++(((
 x01: Detect Ultrasonic Sensor
++)))
++(((
 x00: No Ultrasonic Sensor
++)))
@@ -309,17 +309,19 @@
  While using TTN network, you can add the payload format to decode the payload.
--[[image:1654850829385-439.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654850829385-439.png?rev=1.1||alt="1654850829385-439.png"]]
  The payload decoder function for TTN V3 is here:
++(((
  LDDS75 TTN V3 Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
++)))
  == 2.4  Uplink Interval ==
--The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
++The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval]]
@@ -342,10 +342,10 @@
  )))
--[[image:1654592790040-760.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592790040-760.png?rev=1.1||alt="1654592790040-760.png"]]
--[[image:1654592800389-571.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654592800389-571.png?rev=1.1||alt="1654592800389-571.png"]]
  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
@@ -352,12 +352,12 @@
  (% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
--[[image:1654851029373-510.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/1654851029373-510.png?rev=1.1||alt="1654851029373-510.png"]]
  After added, the sensor data arrive TTN V3, it will also arrive and show in Datacake.
--[[image:image-20220610165129-11.png||height="595" width="1088"]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610165129-11.png?width=1088&height=595&rev=1.1||alt="image-20220610165129-11.png" height="595" width="1088"]]
@@ -839,13 +839,23 @@
  * Solid ON for 5 seconds once device successful Join the network.
  * 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/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
++)))
++(((
++
++)))
--**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
++(((
++**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>path:/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]]
++)))
@@ -852,10 +852,10 @@
  == 2.9  Mechanical ==
--[[image:image-20220610172003-1.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-1.png?rev=1.1||alt="image-20220610172003-1.png"]]
--[[image:image-20220610172003-2.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172003-2.png?rev=1.1||alt="image-20220610172003-2.png"]]
@@ -878,7 +878,7 @@
  [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
  )))
-- [[image:image-20220610172400-3.png]]
++ [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172400-3.png?rev=1.1||alt="image-20220610172400-3.png"]]
@@ -908,12 +908,12 @@
  * (((
  (((
--AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
++AT Command Connection: See [[FAQ>>path:#H4.A0FAQ]].
  )))
  )))
  * (((
  (((
--LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>doc:Main.WebHome]]
++LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
  )))
  )))
@@ -952,7 +952,7 @@
  (((
  (((
--They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]]
++They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
  )))
  )))
@@ -980,19 +980,21 @@
  LDDS75 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LDDS75 for using AT command, as below.
--[[image:image-20220610172924-4.png||height="483" width="988"]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-4.png?width=988&height=483&rev=1.1||alt="image-20220610172924-4.png" height="483" width="988"]]
  Or if you have below board, use below connection:
--[[image:image-20220610172924-5.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-5.png?rev=1.1||alt="image-20220610172924-5.png"]]
++(((
  In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LDDS75. LDDS75 will output system info once power on as below:
++)))
-- [[image:image-20220610172924-6.png||height="601" width="860"]]
++ [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610172924-6.png?width=860&height=601&rev=1.1||alt="image-20220610172924-6.png" height="601" width="860"]]
@@ -1002,7 +1002,7 @@
  (% style="color:#037691" %)**AT Command: AT+TDC**
--[[image:image-20220610173409-7.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610173409-7.png?rev=1.1||alt="image-20220610173409-7.png"]]
  (((
@@ -1013,16 +1013,19 @@
  (((
  Format: Command Code (0x01) followed by 3 bytes time value.
++(((
  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
++)))
  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
  )))
++)))
--
--)))
++
++
  == 3.3  Set Interrupt Mode ==
  Feature, Set Interrupt mode for GPIO_EXIT.
@@ -1029,7 +1029,7 @@
  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
--[[image:image-20220610174917-9.png]]
++[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LDDS75%20-%20LoRaWAN%20Distance%20Detection%20Sensor%20User%20Manual/WebHome/image-20220610174917-9.png?rev=1.1||alt="image-20220610174917-9.png"]]
  (% style="color:#037691" %)**Downlink Command: 0x06**
@@ -1036,22 +1036,27 @@
  Format: Command Code (0x06) followed by 3 bytes.
++(((
  This means that the interrupt mode of the end node is set to 0x000003=3 (rising 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.  FAQ =
  == 4.1  What is the frequency plan for LDDS75? ==
--LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>doc:Main.End Device Frequency Band.WebHome||anchor="H1.Introduction"]]
++LDDS75 use the same frequency as other Dragino products. User can see the detail from this link:  [[Introduction>>path:/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/#H1.Introduction]]
  == 4.2  How to change the LoRa Frequency Bands/Region ==
--You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
++You can follow the instructions for [[how to upgrade image>>path:#H2.8A0200BFirmwareChangeLog]].
  When downloading the images, choose the required image file for download.
@@ -1066,7 +1066,7 @@
  == 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
--It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
++It is due to channel mapping. Please see below link:  [[Frequency band>>path:/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]]
  == 5.2  AT Command input doesn't work ==

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