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edited by Xiaoling
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Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LDDS20 - LoRaWAN Ultrasonic Liquid Level Sensor User Manual
1 +LDDS75 - LoRaWAN Distance Detection Sensor User Manual
Content
... ... @@ -1,85 +1,43 @@
1 1  (% style="text-align:center" %)
2 -[[image:1655254599445-662.png]]
2 +[[image:1654846127817-788.png]]
3 3  
4 +**Contents:**
4 4  
5 5  
6 6  
7 -**Table of Contents:**
8 8  
9 9  
10 10  
11 11  
12 12  
13 -
14 -
15 -
16 16  = 1.  Introduction =
17 17  
18 -== 1.1 ​ What is LoRaWAN Ultrasonic liquid level Sensor ==
15 +== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
19 19  
20 20  (((
21 21  
22 22  
23 23  (((
24 -(((
25 -(((
26 -The Dragino LDDS20 is a (% style="color:#4472c4" %)**LoRaWAN Ultrasonic liquid level sensor**(%%) for Internet of Things solution. It uses (% style="color:#4472c4" %)**none-contact method **(%%)to measure the height of liquid in a container without opening the container, and send the value via LoRaWAN network to IoT Server
27 -)))
21 +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.
28 28  
29 -(((
30 -
31 -)))
32 32  
33 -(((
34 -The LDDS20 sensor is installed directly below the container to detect the height of the liquid level. User doesn’t need to open a hole on the container to be tested. The (% style="color:#4472c4" %)**none-contact measurement makes the measurement safety, easier and possible for some strict situation**. 
35 -)))
24 +It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
36 36  
37 -(((
38 -
39 -)))
40 40  
41 -(((
42 -LDDS20 uses ultrasonic sensing technology for distance measurement. LDDS20 is of high accuracy to measure various liquid such as: (% style="color:#4472c4" %)**toxic substances**(%%), (% style="color:#4472c4" %)**strong acids**(%%), (% style="color:#4472c4" %)**strong alkalis**(%%) and (% style="color:#4472c4" %)**various pure liquids**(%%) in high-temperature and high-pressure airtight containers.
43 -)))
27 +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.
44 44  
45 -(((
46 -
47 -)))
48 48  
49 -(((
50 -The LoRa wireless technology used in LDDS20 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.
51 -)))
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*.
52 52  
53 -(((
54 -
55 -)))
56 56  
57 -(((
58 -LDDS20 is powered by (% style="color:#4472c4" %)**8500mA Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
59 -)))
33 +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.
60 60  
61 -(((
62 -
63 -)))
64 64  
65 -(((
66 -Each LDDS20 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.
36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
67 67  )))
68 -
69 -(((
70 -
71 71  )))
72 -)))
73 73  
74 -(((
75 -(((
76 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
77 -)))
78 -)))
79 -)))
80 -)))
81 81  
82 -
83 83  [[image:1654847051249-359.png]]
84 84  
85 85  
... ... @@ -99,6 +99,8 @@
99 99  * IP66 Waterproof Enclosure
100 100  * 4000mAh or 8500mAh Battery for long term use
101 101  
60 +
61 +
102 102  == 1.3  Specification ==
103 103  
104 104  === 1.3.1  Rated environmental conditions ===
... ... @@ -105,11 +105,9 @@
105 105  
106 106  [[image:image-20220610154839-1.png]]
107 107  
108 -(((
109 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
68 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
110 110  
111 -**~ 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)**
112 -)))
70 +**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)**
113 113  
114 114  
115 115  
... ... @@ -122,10 +122,7 @@
122 122  [[image:1654852253176-749.png]]
123 123  
124 124  
125 -
126 -(((
127 127  **(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.**
128 -)))
129 129  
130 130  
131 131  [[image:1654852175653-550.png]](% style="display:none" %) ** **
... ... @@ -144,6 +144,8 @@
144 144  * Sewer
145 145  * Bottom water level monitoring
146 146  
102 +
103 +
147 147  == 1.6  Pin mapping and power on ==
148 148  
149 149  
... ... @@ -180,8 +180,6 @@
180 180  )))
181 181  
182 182  (((
183 -
184 -
185 185  (% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
186 186  )))
187 187  
... ... @@ -192,19 +192,11 @@
192 192  [[image:image-20220607170145-1.jpeg]]
193 193  
194 194  
195 -(((
196 196  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
197 -)))
198 198  
199 -(((
200 200  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
201 -)))
202 202  
203 -(((
204 -
205 -
206 206  **Add APP EUI in the application**
207 -)))
208 208  
209 209  [[image:image-20220610161353-4.png]]
210 210  
... ... @@ -247,15 +247,11 @@
247 247  == 2.3  ​Uplink Payload ==
248 248  
249 249  (((
250 -(((
251 251  LDDS75 will uplink payload via LoRaWAN with below payload format: 
252 -)))
253 253  
254 -(((
255 255  Uplink payload includes in total 4 bytes.
256 256  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
257 257  )))
258 -)))
259 259  
260 260  (((
261 261  
... ... @@ -266,12 +266,12 @@
266 266  **Size (bytes)**
267 267  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
268 268  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
269 -[[Distance>>||anchor="H2.3.2A0Distance"]]
212 +[[Distance>>||anchor="H2.3.3A0Distance"]]
270 270  
271 271  (unit: mm)
272 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
273 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
274 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
215 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
216 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
217 +)))|[[Sensor Flag>>path:#Sensor_Flag]]
275 275  
276 276  [[image:1654850511545-399.png]]
277 277  
... ... @@ -290,21 +290,19 @@
290 290  
291 291  === 2.3.2  Distance ===
292 292  
293 -(((
294 294  Get the distance. Flat object range 280mm - 7500mm.
295 -)))
296 296  
297 -(((
298 298  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.**
299 -)))
300 300  
301 301  
302 302  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
303 303  * 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.
304 304  
244 +
245 +
305 305  === 2.3.3  Interrupt Pin ===
306 306  
307 -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.
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.
308 308  
309 309  **Example:**
310 310  
... ... @@ -330,18 +330,14 @@
330 330  
331 331  === 2.3.5  Sensor Flag ===
332 332  
333 -(((
334 334  0x01: Detect Ultrasonic Sensor
335 -)))
336 336  
337 -(((
338 338  0x00: No Ultrasonic Sensor
339 -)))
340 340  
341 341  
279 +===
280 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
342 342  
343 -=== 2.3.6  Decode payload in The Things Network ===
344 -
345 345  While using TTN network, you can add the payload format to decode the payload.
346 346  
347 347  
... ... @@ -349,9 +349,7 @@
349 349  
350 350  The payload decoder function for TTN V3 is here:
351 351  
352 -(((
353 353  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/]]
354 -)))
355 355  
356 356  
357 357  
... ... @@ -877,20 +877,15 @@
877 877  * Solid ON for 5 seconds once device successful Join the network.
878 878  * Blink once when device transmit a packet.
879 879  
815 +
816 +
880 880  == 2.8  ​Firmware Change Log ==
881 881  
882 882  
883 -(((
884 884  **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/]]
885 -)))
886 886  
887 -(((
888 -
889 -)))
890 890  
891 -(((
892 892  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
893 -)))
894 894  
895 895  
896 896  
... ... @@ -899,13 +899,11 @@
899 899  
900 900  [[image:image-20220610172003-1.png]]
901 901  
902 -
903 903  [[image:image-20220610172003-2.png]]
904 904  
905 905  
835 +== 2.10  Battery Analysis  ==
906 906  
907 -== 2.10  Battery Analysis ==
908 -
909 909  === 2.10.1  Battery Type ===
910 910  
911 911  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.
... ... @@ -914,7 +914,7 @@
914 914  The battery related documents as below:
915 915  
916 916  * (((
917 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
845 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
918 918  )))
919 919  * (((
920 920  [[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
... ... @@ -930,7 +930,7 @@
930 930  === 2.10.2  Replace the battery ===
931 931  
932 932  (((
933 -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 +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.
934 934  )))
935 935  
936 936  (((
... ... @@ -938,22 +938,22 @@
938 938  )))
939 939  
940 940  (((
941 -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)
869 +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)
942 942  )))
943 943  
944 944  
945 945  
946 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
874 += 3.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
947 947  
948 948  (((
949 949  (((
950 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
878 +Use can configure LLDS12 via AT Command or LoRaWAN Downlink.
951 951  )))
952 952  )))
953 953  
954 954  * (((
955 955  (((
956 -AT Command Connection: See [[FAQ>>||anchor="H4.A0FAQ"]].
884 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]].
957 957  )))
958 958  )))
959 959  * (((
... ... @@ -968,7 +968,7 @@
968 968  )))
969 969  
970 970  (((
971 -There are two kinds of commands to configure LDDS75, they are:
899 +There are two kinds of commands to configure LLDS12, they are:
972 972  )))
973 973  )))
974 974  
... ... @@ -1009,155 +1009,351 @@
1009 1009  
1010 1010  * (((
1011 1011  (((
1012 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
940 +(% style="color:#4f81bd" %)** Commands special design for LLDS12**
1013 1013  )))
1014 1014  )))
1015 1015  
1016 1016  (((
1017 1017  (((
1018 -These commands only valid for LDDS75, as below:
946 +These commands only valid for LLDS12, as below:
1019 1019  )))
1020 1020  )))
1021 1021  
1022 1022  
1023 1023  
1024 -== 3.1  Access AT Commands ==
952 +== 4.1  Set Transmit Interval Time ==
1025 1025  
1026 -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.
954 +Feature: Change LoRaWAN End Node Transmit Interval.
1027 1027  
1028 -[[image:image-20220610172924-4.png||height="483" width="988"]]
956 +(% style="color:#037691" %)**AT Command: AT+TDC**
1029 1029  
958 +[[image:image-20220607171554-8.png]]
1030 1030  
1031 -Or if you have below board, use below connection:
1032 1032  
961 +(((
962 +(% style="color:#037691" %)**Downlink Command: 0x01**
963 +)))
1033 1033  
1034 -[[image:image-20220610172924-5.png]]
965 +(((
966 +Format: Command Code (0x01) followed by 3 bytes time value.
967 +)))
1035 1035  
969 +(((
970 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
971 +)))
1036 1036  
973 +* (((
974 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
975 +)))
976 +* (((
977 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
978 +)))
979 +
980 +== 4.2  Set Interrupt Mode ==
981 +
982 +Feature, Set Interrupt mode for GPIO_EXIT.
983 +
984 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
985 +
986 +[[image:image-20220610105806-2.png]]
987 +
988 +
1037 1037  (((
1038 -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:
990 +(% style="color:#037691" %)**Downlink Command: 0x06**
1039 1039  )))
1040 1040  
993 +(((
994 +Format: Command Code (0x06) followed by 3 bytes.
995 +)))
1041 1041  
1042 - [[image:image-20220610172924-6.png||height="601" width="860"]]
997 +(((
998 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
999 +)))
1043 1043  
1001 +* (((
1002 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1003 +)))
1004 +* (((
1005 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1006 +)))
1044 1044  
1008 +== 4.3  Get Firmware Version Info ==
1045 1045  
1046 -== 3.2  Set Transmit Interval Time ==
1010 +Feature: use downlink to get firmware version.
1047 1047  
1048 -Feature: Change LoRaWAN End Node Transmit Interval.
1012 +(% style="color:#037691" %)**Downlink Command: 0x26**
1049 1049  
1050 -(% style="color:#037691" %)**AT Command: AT+TDC**
1014 +[[image:image-20220607171917-10.png]]
1051 1051  
1052 -[[image:image-20220610173409-7.png]]
1016 +* Reply to the confirmation package: 26 01
1017 +* Reply to non-confirmed packet: 26 00
1053 1053  
1019 +Device will send an uplink after got this downlink command. With below payload:
1054 1054  
1021 +Configures info payload:
1022 +
1023 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
1024 +|=(((
1025 +**Size(bytes)**
1026 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
1027 +|**Value**|Software Type|(((
1028 +Frequency
1029 +
1030 +Band
1031 +)))|Sub-band|(((
1032 +Firmware
1033 +
1034 +Version
1035 +)))|Sensor Type|Reserve|(((
1036 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1037 +Always 0x02
1038 +)))
1039 +
1040 +**Software Type**: Always 0x03 for LLDS12
1041 +
1042 +
1043 +**Frequency Band**:
1044 +
1045 +*0x01: EU868
1046 +
1047 +*0x02: US915
1048 +
1049 +*0x03: IN865
1050 +
1051 +*0x04: AU915
1052 +
1053 +*0x05: KZ865
1054 +
1055 +*0x06: RU864
1056 +
1057 +*0x07: AS923
1058 +
1059 +*0x08: AS923-1
1060 +
1061 +*0x09: AS923-2
1062 +
1063 +*0xa0: AS923-3
1064 +
1065 +
1066 +**Sub-Band**: value 0x00 ~~ 0x08
1067 +
1068 +
1069 +**Firmware Version**: 0x0100, Means: v1.0.0 version
1070 +
1071 +
1072 +**Sensor Type**:
1073 +
1074 +0x01: LSE01
1075 +
1076 +0x02: LDDS75
1077 +
1078 +0x03: LDDS20
1079 +
1080 +0x04: LLMS01
1081 +
1082 +0x05: LSPH01
1083 +
1084 +0x06: LSNPK01
1085 +
1086 +0x07: LLDS12
1087 +
1088 +
1089 +
1090 += 5.  Battery & How to replace =
1091 +
1092 +== 5.1  Battery Type ==
1093 +
1055 1055  (((
1056 -(% style="color:#037691" %)**Downlink Command: 0x01**
1095 +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.
1057 1057  )))
1058 1058  
1059 1059  (((
1099 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1100 +)))
1101 +
1102 +[[image:1654593587246-335.png]]
1103 +
1104 +
1105 +Minimum Working Voltage for the LLDS12:
1106 +
1107 +LLDS12:  2.45v ~~ 3.6v
1108 +
1109 +
1110 +
1111 +== 5.2  Replace Battery ==
1112 +
1060 1060  (((
1061 -Format: Command Code (0x01) followed by 3 bytes time value.
1114 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1115 +)))
1062 1062  
1063 1063  (((
1064 -If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1118 +And make sure the positive and negative pins match.
1065 1065  )))
1066 1066  
1067 -* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1068 -* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1121 +
1122 +
1123 +== 5.3  Power Consumption Analyze ==
1124 +
1125 +(((
1126 +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.
1069 1069  )))
1128 +
1129 +(((
1130 +Instruction to use as below:
1070 1070  )))
1071 1071  
1072 1072  
1134 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1073 1073  
1136 +[[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/]]
1074 1074  
1075 1075  
1076 -== 3.3  Set Interrupt Mode ==
1139 +**Step 2**: Open it and choose
1077 1077  
1078 -Feature, Set Interrupt mode for GPIO_EXIT.
1141 +* Product Model
1142 +* Uplink Interval
1143 +* Working Mode
1079 1079  
1080 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1145 +And the Life expectation in difference case will be shown on the right.
1081 1081  
1082 -[[image:image-20220610174917-9.png]]
1147 +[[image:1654593605679-189.png]]
1083 1083  
1084 1084  
1085 -(% style="color:#037691" %)**Downlink Command: 0x06**
1150 +The battery related documents as below:
1086 1086  
1087 -Format: Command Code (0x06) followed by 3 bytes.
1152 +* (((
1153 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
1154 +)))
1155 +* (((
1156 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1157 +)))
1158 +* (((
1159 +[[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]]
1160 +)))
1088 1088  
1162 +[[image:image-20220607172042-11.png]]
1163 +
1164 +
1165 +
1166 +=== 5.3.1  ​Battery Note ===
1167 +
1089 1089  (((
1090 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1169 +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.
1091 1091  )))
1092 1092  
1093 -* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1094 -* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1095 1095  
1096 -= 4.  FAQ =
1097 1097  
1098 -== 4.1  What is the frequency plan for LDDS75? ==
1174 +=== ​5.3.2  Replace the battery ===
1099 1099  
1100 -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"]]
1176 +(((
1177 +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.
1178 +)))
1101 1101  
1180 +(((
1181 +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)
1182 +)))
1102 1102  
1103 1103  
1104 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1105 1105  
1106 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1107 -When downloading the images, choose the required image file for download. ​
1186 += 6.  Use AT Command =
1108 1108  
1188 +== 6.1  Access AT Commands ==
1109 1109  
1190 +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.
1110 1110  
1111 -== 4.3  Can I use LDDS75 in condensation environment? ==
1192 +[[image:1654593668970-604.png]]
1112 1112  
1113 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1194 +**Connection:**
1114 1114  
1196 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1115 1115  
1198 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1116 1116  
1117 -= 5.  Trouble Shooting =
1200 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1118 1118  
1119 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1120 1120  
1121 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1203 +(((
1204 +(((
1205 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1206 +)))
1122 1122  
1208 +(((
1209 +LLDS12 will output system info once power on as below:
1210 +)))
1211 +)))
1123 1123  
1124 -== 5.2  AT Command input doesn't work ==
1125 1125  
1214 + [[image:1654593712276-618.png]]
1215 +
1216 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1217 +
1218 +
1219 += 7.  FAQ =
1220 +
1221 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1222 +
1223 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1224 +When downloading the images, choose the required image file for download. ​
1225 +
1226 +
1227 += 8.  Trouble Shooting =
1228 +
1229 +== 8.1  AT Commands input doesn’t work ==
1230 +
1231 +
1232 +(((
1126 1126  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.
1234 +)))
1127 1127  
1236 +
1237 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1238 +
1239 +
1128 1128  (((
1241 +(% 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.)
1242 +)))
1243 +
1244 +(((
1245 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1246 +)))
1247 +
1248 +(((
1129 1129  
1130 1130  )))
1131 1131  
1252 +(((
1253 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1254 +)))
1132 1132  
1133 -= 6.  Order Info =
1256 +(((
1257 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1258 +)))
1134 1134  
1135 1135  
1136 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1137 1137  
1262 += 9.  Order Info =
1138 1138  
1139 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1140 1140  
1141 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1142 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1143 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1144 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1145 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1146 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1147 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1148 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1265 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1149 1149  
1150 -(% style="color:blue" %)**YY**(%%): Battery Option
1151 1151  
1152 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1153 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1268 +(% style="color:blue" %)**XX**(%%): The default frequency band
1154 1154  
1155 -= 7. ​ Packing Info =
1270 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1271 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1272 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1273 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1274 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1275 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1276 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1277 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1156 1156  
1279 += 10. ​ Packing Info =
1157 1157  
1281 +
1158 1158  **Package Includes**:
1159 1159  
1160 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1284 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1161 1161  
1162 1162  **Dimension and weight**:
1163 1163  
... ... @@ -1166,7 +1166,7 @@
1166 1166  * Package Size / pcs : cm
1167 1167  * Weight / pcs : g
1168 1168  
1169 -= 8.  ​Support =
1293 += 11.  ​Support =
1170 1170  
1171 1171  * 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.
1172 1172  * 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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