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59 59  
60 60  
61 61  
62 +
62 62  == 1.3  Specification ==
63 63  
64 64  === 1.3.1  Rated environmental conditions ===
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73 73  
74 74  === 1.3.2  Effective measurement range Reference beam pattern ===
75 75  
76 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
77 +**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
77 77  
78 78  
79 79  
80 -[[image:1654852253176-749.png]]
81 +**(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:image-20220610155021-3.png||height="437" width="1192"]]
81 81  
83 +(% style="display:none" %) (%%)
82 82  
83 -**(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.**
84 84  
85 -
86 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
87 -
88 -
89 -
90 90  == 1.5 ​ Applications ==
91 91  
92 92  * Horizontal distance measurement
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99 99  * Sewer
100 100  * Bottom water level monitoring
101 101  
102 -
103 -
104 104  == 1.6  Pin mapping and power on ==
105 105  
106 106  
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107 107  [[image:1654847583902-256.png]]
108 108  
109 109  
110 -
111 111  = 2.  Configure LDDS75 to connect to LoRaWAN network =
112 112  
113 113  == 2.1  How it works ==
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121 121  )))
122 122  
123 123  
124 -
125 125  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
126 126  
127 127  (((
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242 242  * 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.
243 243  
244 244  
245 -
246 246  === 2.3.3  Interrupt Pin ===
247 247  
248 248  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
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254 254  0x01: Interrupt Uplink Packet.
255 255  
256 256  
257 -
258 258  === 2.3.4  DS18B20 Temperature sensor ===
259 259  
260 260  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
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538 538  
539 539  
540 540  
531 +
541 541  === 2.6.4  AU915-928(AU915) ===
542 542  
543 543  (((
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694 694  
695 695  
696 696  
688 +
697 697  === 2.6.6  KR920-923 (KR920) ===
698 698  
699 699  (((
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766 766  
767 767  
768 768  
761 +
769 769  === 2.6.7  IN865-867 (IN865) ===
770 770  
771 771  (((
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802 802  
803 803  
804 804  
798 +
805 805  == 2.7  LED Indicator ==
806 806  
807 -The LDDS75 has an internal LED which is to show the status of different state.
801 +The LLDS12 has an internal LED which is to show the status of different state.
808 808  
809 -
810 -* Blink once when device power on.
811 -* The device detects the sensor and flashes 5 times.
812 -* Solid ON for 5 seconds once device successful Join the network.
803 +* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
813 813  * Blink once when device transmit a packet.
814 814  
815 -
816 -
817 817  == 2.8  ​Firmware Change Log ==
818 818  
819 819  
820 -**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/]]
809 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LLDS12/Firmware/]]
821 821  
822 822  
823 823  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
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824 824  
825 825  
826 826  
827 -== 2.9  Mechanical ==
828 -
829 -
830 -[[image:image-20220610172003-1.png]]
831 -
832 -[[image:image-20220610172003-2.png]]
833 -
834 -
835 -== 2.10  Battery Analysis  ==
836 -
837 -=== 2.10.1  Battery Type ===
838 -
839 -The LDDS75 battery is a combination of a 4000mAh or 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
840 -
841 -
842 -The battery related documents as below:
843 -
844 -* (((
845 -[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
846 -)))
847 -* (((
848 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
849 -)))
850 -* (((
851 -[[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]]
852 -)))
853 -
854 - [[image:image-20220610172400-3.png]]
855 -
856 -
857 -
858 -=== 2.10.2  Replace the battery ===
859 -
860 -You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
861 -
862 -
863 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 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)
864 -
865 -
866 -
867 867  = 3.  LiDAR ToF Measurement =
868 868  
869 869  == 3.1 Principle of Distance Measurement ==
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