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Last modified by Xiaoling on 2025/04/27 13:54
From version 153.3
edited by Xiaoling
on 2022/06/11 10:00
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To version 140.3
edited by Xiaoling
on 2022/06/10 17:11
Change comment: There is no comment for this version

Summary

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Title
... ... @@ -1,1 +1,1 @@
1 -LDDS45 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS75 - LoRaWAN Distance Detection Sensor User Manual
Content
... ... @@ -1,9 +1,8 @@
1 1  (% style="text-align:center" %)
2 -[[image:1654912614655-664.png||height="530" width="628"]]
2 +[[image:1654846127817-788.png]]
3 3  
4 4  **Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
9 9  
... ... @@ -11,7 +11,6 @@
11 11  
12 12  
13 13  
14 -
15 15  = 1.  Introduction =
16 16  
17 17  == 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
... ... @@ -20,53 +20,27 @@
20 20  
21 21  
22 22  (((
23 -(((
24 24  The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc.
25 -)))
26 26  
27 -(((
28 -
29 -)))
30 30  
31 -(((
32 32  It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
33 -)))
34 34  
35 -(((
36 -
37 -)))
38 38  
39 -(((
40 40  The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
41 -)))
42 42  
43 -(((
44 -
45 -)))
46 46  
47 -(((
48 -LDDS75 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49 -)))
30 +LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
50 50  
51 -(((
52 -
53 -)))
54 54  
55 -(((
56 56  Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on.
57 -)))
58 58  
59 -(((
60 -
61 -)))
62 62  
63 -(((
64 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
65 65  )))
66 66  )))
67 -)))
68 68  
69 69  
41 +[[image:1654847051249-359.png]]
70 70  
71 71  
72 72  
... ... @@ -86,7 +86,6 @@
86 86  * 4000mAh or 8500mAh Battery for long term use
87 87  
88 88  
89 -
90 90  == 1.3  Specification ==
91 91  
92 92  === 1.3.1  Rated environmental conditions ===
... ... @@ -93,12 +93,12 @@
93 93  
94 94  [[image:image-20220610154839-1.png]]
95 95  
96 -(((
97 -**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)**
98 -)))
67 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
99 99  
69 +**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)**
100 100  
101 101  
72 +
102 102  === 1.3.2  Effective measurement range Reference beam pattern ===
103 103  
104 104  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
... ... @@ -108,10 +108,7 @@
108 108  [[image:1654852253176-749.png]]
109 109  
110 110  
111 -
112 -(((
113 113  **(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.**
114 -)))
115 115  
116 116  
117 117  [[image:1654852175653-550.png]](% style="display:none" %) ** **
... ... @@ -131,7 +131,6 @@
131 131  * Bottom water level monitoring
132 132  
133 133  
134 -
135 135  == 1.6  Pin mapping and power on ==
136 136  
137 137  
... ... @@ -178,17 +178,11 @@
178 178  [[image:image-20220607170145-1.jpeg]]
179 179  
180 180  
181 -(((
182 182  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
183 -)))
184 184  
185 -(((
186 186  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
187 -)))
188 188  
189 -(((
190 190  **Add APP EUI in the application**
191 -)))
192 192  
193 193  [[image:image-20220610161353-4.png]]
194 194  
... ... @@ -231,15 +231,11 @@
231 231  == 2.3  ​Uplink Payload ==
232 232  
233 233  (((
234 -(((
235 235  LDDS75 will uplink payload via LoRaWAN with below payload format: 
236 -)))
237 237  
238 -(((
239 239  Uplink payload includes in total 4 bytes.
240 240  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
241 241  )))
242 -)))
243 243  
244 244  (((
245 245  
... ... @@ -250,12 +250,12 @@
250 250  **Size (bytes)**
251 251  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
252 252  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
253 -[[Distance>>||anchor="H2.3.2A0Distance"]]
210 +[[Distance>>||anchor="H2.3.3A0Distance"]]
254 254  
255 255  (unit: mm)
256 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
257 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
258 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
213 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
214 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
215 +)))|[[Sensor Flag>>path:#Sensor_Flag]]
259 259  
260 260  [[image:1654850511545-399.png]]
261 261  
... ... @@ -274,13 +274,9 @@
274 274  
275 275  === 2.3.2  Distance ===
276 276  
277 -(((
278 278  Get the distance. Flat object range 280mm - 7500mm.
279 -)))
280 280  
281 -(((
282 282  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.**
283 -)))
284 284  
285 285  
286 286  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
... ... @@ -290,7 +290,7 @@
290 290  
291 291  === 2.3.3  Interrupt Pin ===
292 292  
293 -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.
246 +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.
294 294  
295 295  **Example:**
296 296  
... ... @@ -316,18 +316,14 @@
316 316  
317 317  === 2.3.5  Sensor Flag ===
318 318  
319 -(((
320 320  0x01: Detect Ultrasonic Sensor
321 -)))
322 322  
323 -(((
324 324  0x00: No Ultrasonic Sensor
325 -)))
326 326  
327 327  
277 +===
278 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
328 328  
329 -=== 2.3.6  Decode payload in The Things Network ===
330 -
331 331  While using TTN network, you can add the payload format to decode the payload.
332 332  
333 333  
... ... @@ -335,9 +335,7 @@
335 335  
336 336  The payload decoder function for TTN V3 is here:
337 337  
338 -(((
339 339  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/]]
340 -)))
341 341  
342 342  
343 343  
... ... @@ -589,6 +589,7 @@
589 589  
590 590  
591 591  
539 +
592 592  === 2.6.4  AU915-928(AU915) ===
593 593  
594 594  (((
... ... @@ -745,6 +745,7 @@
745 745  
746 746  
747 747  
696 +
748 748  === 2.6.6  KR920-923 (KR920) ===
749 749  
750 750  (((
... ... @@ -817,6 +817,7 @@
817 817  
818 818  
819 819  
769 +
820 820  === 2.6.7  IN865-867 (IN865) ===
821 821  
822 822  (((
... ... @@ -853,95 +853,95 @@
853 853  
854 854  
855 855  
806 +
856 856  == 2.7  LED Indicator ==
857 857  
858 -The LDDS75 has an internal LED which is to show the status of different state.
809 +The LLDS12 has an internal LED which is to show the status of different state.
859 859  
860 -
861 -* Blink once when device power on.
862 -* The device detects the sensor and flashes 5 times.
863 -* Solid ON for 5 seconds once device successful Join the network.
811 +* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
864 864  * Blink once when device transmit a packet.
865 865  
866 -
867 -
868 868  == 2.8  ​Firmware Change Log ==
869 869  
870 870  
871 -(((
872 -**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/]]
873 -)))
817 +**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/]]
874 874  
875 -(((
876 -
877 -)))
878 878  
879 -(((
880 880  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
881 -)))
882 882  
883 883  
884 884  
885 -== 2.9  Mechanical ==
824 += 3.  LiDAR ToF Measurement =
886 886  
826 +== 3.1 Principle of Distance Measurement ==
887 887  
888 -[[image:image-20220610172003-1.png]]
828 +The LiDAR probe is based on TOF, namely, Time of Flight principle. To be specific, the product emits modulation wave of near infrared ray on a periodic basis, which will be reflected after contacting object. The product obtains the time of flight by measuring round-trip phase difference and then calculates relative range between the product and the detection object, as shown below.
889 889  
830 +[[image:1654831757579-263.png]]
890 890  
891 -[[image:image-20220610172003-2.png]]
892 892  
893 893  
834 +== 3.2 Distance Measurement Characteristics ==
894 894  
895 -== 2.10  Battery Analysis ==
836 +With optimization of light path and algorithm, The LiDAR probe has minimized 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 reflectivity of detection object. As shown in below:
896 896  
897 -=== 2.10.1  Battery Type ===
838 +[[image:1654831774373-275.png]]
898 898  
899 -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.
900 900  
841 +(((
842 +(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
843 +)))
901 901  
902 -The battery related documents as below:
845 +(((
846 +(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
847 +)))
903 903  
904 -* (((
905 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
849 +(((
850 +(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
906 906  )))
907 -* (((
908 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
909 -)))
910 -* (((
911 -[[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]]
912 -)))
913 913  
914 - [[image:image-20220610172400-3.png]]
915 915  
854 +(((
855 +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 angle), which is calculated as follows:
856 +)))
916 916  
917 917  
918 -=== 2.10.2  Replace the battery ===
859 +[[image:1654831797521-720.png]]
919 919  
920 -(((
921 -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.
922 -)))
923 923  
924 924  (((
925 -
863 +In the formula above, d is the diameter of light spot; D is detecting range; β is the value of the receiving angle of The LiDAR probe, 3.6°. Correspondence between the diameter of light spot and detecting range is given in Table below.
926 926  )))
927 927  
866 +[[image:1654831810009-716.png]]
867 +
868 +
928 928  (((
929 -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)
870 +If the light spot reaches two objects with different distances, as shown in Figure 3, the output distance value will be a value between the actual distance values of the two objects. For a high accuracy requirement in practice, the above situation should be noticed to avoid the measurement error.
930 930  )))
931 931  
932 932  
933 933  
934 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
875 +== 3.3 Notice of usage: ==
935 935  
877 +Possible invalid /wrong reading for LiDAR ToF tech:
878 +
879 +* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
880 +* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
881 +* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
882 +* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
883 +
884 += 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
885 +
936 936  (((
937 937  (((
938 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
888 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
939 939  )))
940 940  )))
941 941  
942 942  * (((
943 943  (((
944 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
894 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
945 945  )))
946 946  )))
947 947  * (((
... ... @@ -956,7 +956,7 @@
956 956  )))
957 957  
958 958  (((
959 -There are two kinds of commands to configure LDDS75, they are:
909 +There are two kinds of commands to configure LLDS12, they are:
960 960  )))
961 961  )))
962 962  
... ... @@ -997,159 +997,351 @@
997 997  
998 998  * (((
999 999  (((
1000 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
950 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
1001 1001  )))
1002 1002  )))
1003 1003  
1004 1004  (((
1005 1005  (((
1006 -These commands only valid for LDDS75, as below:
956 +These commands only valid for LLDS12, as below:
1007 1007  )))
1008 1008  )))
1009 1009  
1010 1010  
1011 1011  
1012 -== 3.1  Access AT Commands ==
962 +== 4.1  Set Transmit Interval Time ==
1013 1013  
1014 -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.
964 +Feature: Change LoRaWAN End Node Transmit Interval.
1015 1015  
1016 -[[image:image-20220610172924-4.png||height="483" width="988"]]
966 +(% style="color:#037691" %)**AT Command: AT+TDC**
1017 1017  
968 +[[image:image-20220607171554-8.png]]
1018 1018  
1019 -Or if you have below board, use below connection:
1020 1020  
971 +(((
972 +(% style="color:#037691" %)**Downlink Command: 0x01**
973 +)))
1021 1021  
1022 -[[image:image-20220610172924-5.png]]
975 +(((
976 +Format: Command Code (0x01) followed by 3 bytes time value.
977 +)))
1023 1023  
979 +(((
980 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
981 +)))
1024 1024  
983 +* (((
984 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
985 +)))
986 +* (((
987 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
988 +)))
989 +
990 +== 4.2  Set Interrupt Mode ==
991 +
992 +Feature, Set Interrupt mode for GPIO_EXIT.
993 +
994 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
995 +
996 +[[image:image-20220610105806-2.png]]
997 +
998 +
1025 1025  (((
1026 -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:
1000 +(% style="color:#037691" %)**Downlink Command: 0x06**
1027 1027  )))
1028 1028  
1003 +(((
1004 +Format: Command Code (0x06) followed by 3 bytes.
1005 +)))
1029 1029  
1030 - [[image:image-20220610172924-6.png||height="601" width="860"]]
1007 +(((
1008 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1009 +)))
1031 1031  
1011 +* (((
1012 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1013 +)))
1014 +* (((
1015 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1016 +)))
1032 1032  
1018 +== 4.3  Get Firmware Version Info ==
1033 1033  
1034 -== 3.2  Set Transmit Interval Time ==
1020 +Feature: use downlink to get firmware version.
1035 1035  
1036 -Feature: Change LoRaWAN End Node Transmit Interval.
1022 +(% style="color:#037691" %)**Downlink Command: 0x26**
1037 1037  
1038 -(% style="color:#037691" %)**AT Command: AT+TDC**
1024 +[[image:image-20220607171917-10.png]]
1039 1039  
1040 -[[image:image-20220610173409-7.png]]
1026 +* Reply to the confirmation package: 26 01
1027 +* Reply to non-confirmed packet: 26 00
1041 1041  
1029 +Device will send an uplink after got this downlink command. With below payload:
1042 1042  
1031 +Configures info payload:
1032 +
1033 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1034 +|=(((
1035 +**Size(bytes)**
1036 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1037 +|**Value**|Software Type|(((
1038 +Frequency
1039 +
1040 +Band
1041 +)))|Sub-band|(((
1042 +Firmware
1043 +
1044 +Version
1045 +)))|Sensor Type|Reserve|(((
1046 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1047 +Always 0x02
1048 +)))
1049 +
1050 +**Software Type**: Always 0x03 for LLDS12
1051 +
1052 +
1053 +**Frequency Band**:
1054 +
1055 +*0x01: EU868
1056 +
1057 +*0x02: US915
1058 +
1059 +*0x03: IN865
1060 +
1061 +*0x04: AU915
1062 +
1063 +*0x05: KZ865
1064 +
1065 +*0x06: RU864
1066 +
1067 +*0x07: AS923
1068 +
1069 +*0x08: AS923-1
1070 +
1071 +*0x09: AS923-2
1072 +
1073 +*0xa0: AS923-3
1074 +
1075 +
1076 +**Sub-Band**: value 0x00 ~~ 0x08
1077 +
1078 +
1079 +**Firmware Version**: 0x0100, Means: v1.0.0 version
1080 +
1081 +
1082 +**Sensor Type**:
1083 +
1084 +0x01: LSE01
1085 +
1086 +0x02: LDDS75
1087 +
1088 +0x03: LDDS20
1089 +
1090 +0x04: LLMS01
1091 +
1092 +0x05: LSPH01
1093 +
1094 +0x06: LSNPK01
1095 +
1096 +0x07: LLDS12
1097 +
1098 +
1099 +
1100 += 5.  Battery & How to replace =
1101 +
1102 +== 5.1  Battery Type ==
1103 +
1043 1043  (((
1044 -(% style="color:#037691" %)**Downlink Command: 0x01**
1105 +LLDS12 is equipped with a [[8500mAH ER26500 Li-SOCI2 battery>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]. The battery is un-rechargeable battery with low discharge rate targeting for 8~~10 years use. This type of battery is commonly used in IoT target for long-term running, such as water meter.
1045 1045  )))
1046 1046  
1047 1047  (((
1109 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1110 +)))
1111 +
1112 +[[image:1654593587246-335.png]]
1113 +
1114 +
1115 +Minimum Working Voltage for the LLDS12:
1116 +
1117 +LLDS12:  2.45v ~~ 3.6v
1118 +
1119 +
1120 +
1121 +== 5.2  Replace Battery ==
1122 +
1048 1048  (((
1049 -Format: Command Code (0x01) followed by 3 bytes time value.
1124 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1125 +)))
1050 1050  
1051 1051  (((
1052 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1128 +And make sure the positive and negative pins match.
1053 1053  )))
1054 1054  
1055 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1056 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1131 +
1132 +
1133 +== 5.3  Power Consumption Analyze ==
1134 +
1135 +(((
1136 +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.
1057 1057  )))
1138 +
1139 +(((
1140 +Instruction to use as below:
1058 1058  )))
1059 1059  
1060 1060  
1144 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1061 1061  
1146 +[[https:~~/~~/www.dragino.com/downloads/index.pHp?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
1062 1062  
1063 1063  
1064 -== 3.3  Set Interrupt Mode ==
1149 +**Step 2**: Open it and choose
1065 1065  
1066 -Feature, Set Interrupt mode for GPIO_EXIT.
1151 +* Product Model
1152 +* Uplink Interval
1153 +* Working Mode
1067 1067  
1068 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1155 +And the Life expectation in difference case will be shown on the right.
1069 1069  
1070 -[[image:image-20220610174917-9.png]]
1157 +[[image:1654593605679-189.png]]
1071 1071  
1072 1072  
1073 -(% style="color:#037691" %)**Downlink Command: 0x06**
1160 +The battery related documents as below:
1074 1074  
1075 -Format: Command Code (0x06) followed by 3 bytes.
1162 +* (((
1163 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
1164 +)))
1165 +* (((
1166 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1167 +)))
1168 +* (((
1169 +[[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]]
1170 +)))
1076 1076  
1172 +[[image:image-20220607172042-11.png]]
1173 +
1174 +
1175 +
1176 +=== 5.3.1  ​Battery Note ===
1177 +
1077 1077  (((
1078 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1179 +The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
1079 1079  )))
1080 1080  
1081 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1082 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1083 1083  
1084 1084  
1184 +=== ​5.3.2  Replace the battery ===
1085 1085  
1086 -= 4.  FAQ =
1186 +(((
1187 +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, 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.
1188 +)))
1087 1087  
1088 -== 4.1  What is the frequency plan for LDDS75? ==
1190 +(((
1191 +The default battery pack of LLDS12 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find 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)
1192 +)))
1089 1089  
1090 -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"]]
1091 1091  
1092 1092  
1196 += 6.  Use AT Command =
1093 1093  
1094 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1198 +== 6.1  Access AT Commands ==
1095 1095  
1096 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1097 -When downloading the images, choose the required image file for download. ​
1200 +LLDS12 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LLDS12 for using AT command, as below.
1098 1098  
1202 +[[image:1654593668970-604.png]]
1099 1099  
1204 +**Connection:**
1100 1100  
1101 -== 4.3  Can I use LDDS75 in condensation environment? ==
1206 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1102 1102  
1103 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1208 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1104 1104  
1210 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1105 1105  
1106 1106  
1107 -= 5.  Trouble Shooting =
1213 +(((
1214 +(((
1215 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1216 +)))
1108 1108  
1109 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1218 +(((
1219 +LLDS12 will output system info once power on as below:
1220 +)))
1221 +)))
1110 1110  
1111 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1112 1112  
1224 + [[image:1654593712276-618.png]]
1113 1113  
1114 -== 5.2  AT Command input doesn't work ==
1226 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1115 1115  
1228 +
1229 += 7.  FAQ =
1230 +
1231 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1232 +
1233 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1234 +When downloading the images, choose the required image file for download. ​
1235 +
1236 +
1237 += 8.  Trouble Shooting =
1238 +
1239 +== 8.1  AT Commands input doesn’t work ==
1240 +
1241 +
1242 +(((
1116 1116  In the case if user can see the console output but can’t type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn’t send (% style="color:green" %)**ENTER**(%%) while press the send key, user need to add ENTER in their string.
1244 +)))
1117 1117  
1246 +
1247 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1248 +
1249 +
1118 1118  (((
1119 -
1251 +(% style="color:blue" %)**Cause ①**(%%)**：**Due to the physical principles of The LiDAR probe, the above phenomenon is likely to occur if the detection object is the material with high reflectivity (such as mirror, smooth floor tile, etc.) or transparent substance (such as glass and water, etc.)
1120 1120  )))
1121 1121  
1254 +(((
1255 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1256 +)))
1122 1122  
1123 -= 6.  Order Info =
1258 +(((
1259 +
1260 +)))
1124 1124  
1262 +(((
1263 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1264 +)))
1125 1125  
1126 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1266 +(((
1267 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1268 +)))
1127 1127  
1128 1128  
1129 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1130 1130  
1131 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1132 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1133 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1134 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1135 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1136 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1137 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1138 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1272 += 9.  Order Info =
1139 1139  
1140 -(% style="color:blue" %)**YY**(%%): Battery Option
1141 1141  
1142 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1143 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1275 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1144 1144  
1145 1145  
1278 +(% style="color:blue" %)**XX**(%%): The default frequency band
1146 1146  
1147 -= 7. ​ Packing Info =
1280 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1281 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1282 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1283 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1284 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1285 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1286 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1287 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1148 1148  
1289 += 10. ​ Packing Info =
1149 1149  
1291 +
1150 1150  **Package Includes**:
1151 1151  
1152 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1294 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1153 1153  
1154 1154  **Dimension and weight**:
1155 1155  
... ... @@ -1158,9 +1158,7 @@
1158 1158  * Package Size / pcs : cm
1159 1159  * Weight / pcs : g
1160 1160  
1303 += 11.  ​Support =
1161 1161  
1162 -
1163 -= 8.  ​Support =
1164 -
1165 1165  * 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 possible in the before-mentioned schedule.
1166 1166  * 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>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]].
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