Last modified by Xiaoling on 2025/04/27 13:54

From version 155.3
edited by Xiaoling
on 2022/06/11 10:19
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To version 137.3
edited by Xiaoling
on 2022/06/10 16:55
Change comment: There is no comment for this version

Summary

Details

Page properties
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 ==
... ... @@ -20,56 +20,27 @@
20 20  
21 21  
22 22  (((
23 -(((
24 -The Dragino LDDS45 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 LDDS45 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 -)))
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.
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 -The LoRa wireless technology used in LDDS45 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 -)))
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.
42 42  
43 -(((
44 -
45 -)))
46 46  
47 -(((
48 -LDDS45 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 -Each LDDS45 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 -)))
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.
58 58  
59 -(((
60 -
61 -)))
62 62  
63 -(((
64 -(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
65 -
66 -
36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
67 67  )))
68 68  )))
69 -)))
70 70  
71 -[[image:1654912858581-740.png]]
72 72  
41 +[[image:1654847051249-359.png]]
73 73  
74 74  
75 75  
... ... @@ -76,11 +76,10 @@
76 76  == ​1.2  Features ==
77 77  
78 78  * LoRaWAN 1.0.3 Class A
79 -* Ultra-low power consumption
48 +* Ultra low power consumption
80 80  * Distance Detection by Ultrasonic technology
81 -* Flat object range 30mm - 4500mm
50 +* Flat object range 280mm - 7500mm
82 82  * Accuracy: ±(1cm+S*0.3%) (S: Distance)
83 -* Measure Angle: 60°
84 84  * Cable Length : 25cm
85 85  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
86 86  * AT Commands to change parameters
... ... @@ -87,10 +87,8 @@
87 87  * Uplink on periodically
88 88  * Downlink to change configure
89 89  * IP66 Waterproof Enclosure
90 -* 8500mAh Battery for long term use
58 +* 4000mAh or 8500mAh Battery for long term use
91 91  
92 -
93 -
94 94  == 1.3  Specification ==
95 95  
96 96  === 1.3.1  Rated environmental conditions ===
... ... @@ -97,34 +97,23 @@
97 97  
98 98  [[image:image-20220610154839-1.png]]
99 99  
66 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
100 100  
101 -(((
102 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  **
68 +**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)**
103 103  
104 -**~ 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 -)))
106 106  
107 107  
108 -
109 109  === 1.3.2  Effective measurement range Reference beam pattern ===
110 110  
111 -**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
74 +**(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"]]
112 112  
113 113  
114 114  
115 -[[image:1654852253176-749.png]]
78 +**(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"]]
116 116  
80 +(% style="display:none" %) (%%)
117 117  
118 118  
119 -(((
120 -**(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.**
121 -)))
122 -
123 -
124 -[[image:1654852175653-550.png]](% style="display:none" %) ** **
125 -
126 -
127 -
128 128  == 1.5 ​ Applications ==
129 129  
130 130  * Horizontal distance measurement
... ... @@ -137,8 +137,6 @@
137 137  * Sewer
138 138  * Bottom water level monitoring
139 139  
140 -
141 -
142 142  == 1.6  Pin mapping and power on ==
143 143  
144 144  
... ... @@ -145,34 +145,27 @@
145 145  [[image:1654847583902-256.png]]
146 146  
147 147  
101 += 2.  Configure LDDS75 to connect to LoRaWAN network =
148 148  
149 -= 2.  Configure LDDS45 to connect to LoRaWAN network =
150 -
151 151  == 2.1  How it works ==
152 152  
153 153  (((
154 -The LDDS45 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS45. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
106 +The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
155 155  )))
156 156  
157 157  (((
158 -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 LDDS45.
110 +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.
159 159  )))
160 160  
161 161  
162 -
163 163  == 2.2  ​Quick guide to connect to LoRaWAN server (OTAA) ==
164 164  
165 165  (((
166 166  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
167 -
168 -
169 169  )))
170 170  
171 -[[image:1654913911773-521.png]]
172 -
173 -
174 174  (((
175 -
121 +[[image:1654848616367-242.png]]
176 176  )))
177 177  
178 178  (((
... ... @@ -180,27 +180,21 @@
180 180  )))
181 181  
182 182  (((
183 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
129 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
184 184  )))
185 185  
186 186  (((
187 -Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
133 +Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
188 188  )))
189 189  
190 190  [[image:image-20220607170145-1.jpeg]]
191 191  
192 192  
193 -(((
194 194  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
195 -)))
196 196  
197 -(((
198 198  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
199 -)))
200 200  
201 -(((
202 202  **Add APP EUI in the application**
203 -)))
204 204  
205 205  [[image:image-20220610161353-4.png]]
206 206  
... ... @@ -243,15 +243,11 @@
243 243  == 2.3  ​Uplink Payload ==
244 244  
245 245  (((
246 -(((
247 247  LDDS75 will uplink payload via LoRaWAN with below payload format: 
248 -)))
249 249  
250 -(((
251 251  Uplink payload includes in total 4 bytes.
252 252  Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
253 253  )))
254 -)))
255 255  
256 256  (((
257 257  
... ... @@ -262,12 +262,12 @@
262 262  **Size (bytes)**
263 263  )))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
264 264  |(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
265 -[[Distance>>||anchor="H2.3.2A0Distance"]]
201 +[[Distance>>||anchor="H2.3.3A0Distance"]]
266 266  
267 267  (unit: mm)
268 -)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.3A0InterruptPin"]]|(((
269 -[[Temperature (Optional )>>||anchor="H2.3.4A0DS18B20Temperaturesensor"]]
270 -)))|[[Sensor Flag>>||anchor="H2.3.5A0SensorFlag"]]
204 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
205 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
206 +)))|[[Sensor Flag>>path:#Sensor_Flag]]
271 271  
272 272  [[image:1654850511545-399.png]]
273 273  
... ... @@ -286,13 +286,9 @@
286 286  
287 287  === 2.3.2  Distance ===
288 288  
289 -(((
290 290  Get the distance. Flat object range 280mm - 7500mm.
291 -)))
292 292  
293 -(((
294 294  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.**
295 -)))
296 296  
297 297  
298 298  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
... ... @@ -302,7 +302,7 @@
302 302  
303 303  === 2.3.3  Interrupt Pin ===
304 304  
305 -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.
237 +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.
306 306  
307 307  **Example:**
308 308  
... ... @@ -311,7 +311,6 @@
311 311  0x01: Interrupt Uplink Packet.
312 312  
313 313  
314 -
315 315  === 2.3.4  DS18B20 Temperature sensor ===
316 316  
317 317  This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
... ... @@ -328,18 +328,14 @@
328 328  
329 329  === 2.3.5  Sensor Flag ===
330 330  
331 -(((
332 332  0x01: Detect Ultrasonic Sensor
333 -)))
334 334  
335 -(((
336 336  0x00: No Ultrasonic Sensor
337 -)))
338 338  
339 339  
267 +===
268 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
340 340  
341 -=== 2.3.6  Decode payload in The Things Network ===
342 -
343 343  While using TTN network, you can add the payload format to decode the payload.
344 344  
345 345  
... ... @@ -347,9 +347,7 @@
347 347  
348 348  The payload decoder function for TTN V3 is here:
349 349  
350 -(((
351 351  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/]]
352 -)))
353 353  
354 354  
355 355  
... ... @@ -404,7 +404,6 @@
404 404  )))
405 405  
406 406  
407 -
408 408  === 2.6.1  EU863-870 (EU868) ===
409 409  
410 410  (((
... ... @@ -601,54 +601,28 @@
601 601  
602 602  
603 603  
528 +
604 604  === 2.6.4  AU915-928(AU915) ===
605 605  
606 606  (((
607 -Default use CHE=2
532 +Frequency band as per definition in LoRaWAN 1.0.3 Regional document.
533 +)))
608 608  
609 -(% style="color:blue" %)**Uplink:**
535 +(((
536 +To make sure the end node supports all sub band by default. In the OTAA Join process, the end node will use frequency 1 from sub-band1, then frequency 1 from sub-band2, then frequency 1 from sub-band3, etc to process the OTAA join.
537 +)))
610 610  
611 -916.8 - SF7BW125 to SF12BW125
612 -
613 -917.0 - SF7BW125 to SF12BW125
614 -
615 -917.2 - SF7BW125 to SF12BW125
616 -
617 -917.4 - SF7BW125 to SF12BW125
618 -
619 -917.6 - SF7BW125 to SF12BW125
620 -
621 -917.8 - SF7BW125 to SF12BW125
622 -
623 -918.0 - SF7BW125 to SF12BW125
624 -
625 -918.2 - SF7BW125 to SF12BW125
626 -
627 -
628 -(% style="color:blue" %)**Downlink:**
629 -
630 -923.3 - SF7BW500 to SF12BW500
631 -
632 -923.9 - SF7BW500 to SF12BW500
633 -
634 -924.5 - SF7BW500 to SF12BW500
635 -
636 -925.1 - SF7BW500 to SF12BW500
637 -
638 -925.7 - SF7BW500 to SF12BW500
639 -
640 -926.3 - SF7BW500 to SF12BW500
641 -
642 -926.9 - SF7BW500 to SF12BW500
643 -
644 -927.5 - SF7BW500 to SF12BW500
645 -
646 -923.3 - SF12BW500(RX2 downlink only)
647 -
648 -
539 +(((
649 649  
650 650  )))
651 651  
543 +(((
544 +After Join success, the end node will switch to the correct sub band by:
545 +)))
546 +
547 +* Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
548 +* Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
549 +
652 652  === 2.6.5  AS920-923 & AS923-925 (AS923) ===
653 653  
654 654  (((
... ... @@ -757,6 +757,7 @@
757 757  
758 758  
759 759  
658 +
760 760  === 2.6.6  KR920-923 (KR920) ===
761 761  
762 762  (((
... ... @@ -829,6 +829,7 @@
829 829  
830 830  
831 831  
731 +
832 832  === 2.6.7  IN865-867 (IN865) ===
833 833  
834 834  (((
... ... @@ -865,95 +865,95 @@
865 865  
866 866  
867 867  
768 +
868 868  == 2.7  LED Indicator ==
869 869  
870 -The LDDS75 has an internal LED which is to show the status of different state.
771 +The LLDS12 has an internal LED which is to show the status of different state.
871 871  
872 -
873 -* Blink once when device power on.
874 -* The device detects the sensor and flashes 5 times.
875 -* Solid ON for 5 seconds once device successful Join the network.
773 +* The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
876 876  * Blink once when device transmit a packet.
877 877  
878 -
879 -
880 880  == 2.8  ​Firmware Change Log ==
881 881  
882 882  
883 -(((
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 -)))
779 +**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/]]
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  
897 -== 2.9  Mechanical ==
786 += 3LiDAR ToF Measurement =
898 898  
788 +== 3.1 Principle of Distance Measurement ==
899 899  
900 -[[image:image-20220610172003-1.png]]
790 +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.
901 901  
792 +[[image:1654831757579-263.png]]
902 902  
903 -[[image:image-20220610172003-2.png]]
904 904  
905 905  
796 +== 3.2 Distance Measurement Characteristics ==
906 906  
907 -== 2.10  Battery Analysis ==
798 +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:
908 908  
909 -=== 2.10.1  Battery Type ===
800 +[[image:1654831774373-275.png]]
910 910  
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.
912 912  
803 +(((
804 +(% style="color:blue" %)**① **(%%)Represents the detection blind zone of The LiDAR probe, 0-10cm, within which the output data is unreliable.
805 +)))
913 913  
914 -The battery related documents as below:
807 +(((
808 +(% style="color:blue" %)**② **(%%)Represents the operating range of The LiDAR probe detecting black target with 10% reflectivity, 0.1-5m.
809 +)))
915 915  
916 -* (((
917 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
811 +(((
812 +(% style="color:blue" %)**③ **(%%)Represents the operating range of The LiDAR probe detecting white target with 90% reflectivity, 0.1-12m.
918 918  )))
919 -* (((
920 -[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
921 -)))
922 -* (((
923 -[[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]]
924 -)))
925 925  
926 - [[image:image-20220610172400-3.png]]
927 927  
816 +(((
817 +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:
818 +)))
928 928  
929 929  
930 -=== 2.10.2  Replace the battery ===
821 +[[image:1654831797521-720.png]]
931 931  
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.
934 -)))
935 935  
936 936  (((
937 -
825 +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.
938 938  )))
939 939  
828 +[[image:1654831810009-716.png]]
829 +
830 +
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)
832 +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.
942 942  )))
943 943  
944 944  
945 945  
946 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
837 +== 3.3 Notice of usage: ==
947 947  
839 +Possible invalid /wrong reading for LiDAR ToF tech:
840 +
841 +* Measure high reflectivity object such as: Mirror, Smooth ceramic tile, static milk surface, will have possible wrong readings.
842 +* While there is transparent object such as glass, water drop between the measured object and the LiDAR sensor, the reading might wrong.
843 +* The LiDAR probe is cover by dirty things; the reading might be wrong. In this case, need to clean the probe.
844 +* The sensor window is made by Acrylic. Don’t touch it with alcohol material. This will destroy the sensor window.
845 +
846 += 4.  Configure LLDS12 via AT Command or LoRaWAN Downlink =
847 +
948 948  (((
949 949  (((
950 -Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
850 +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"]].
856 +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:
871 +There are two kinds of commands to configure LLDS12, they are:
972 972  )))
973 973  )))
974 974  
... ... @@ -1009,159 +1009,351 @@
1009 1009  
1010 1010  * (((
1011 1011  (((
1012 -(% style="color:#4f81bd" %)** Commands special design for LDDS75**
912 +(% 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:
918 +These commands only valid for LLDS12, as below:
1019 1019  )))
1020 1020  )))
1021 1021  
1022 1022  
1023 1023  
1024 -== 3.1  Access AT Commands ==
924 +== 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.
926 +Feature: Change LoRaWAN End Node Transmit Interval.
1027 1027  
1028 -[[image:image-20220610172924-4.png||height="483" width="988"]]
928 +(% style="color:#037691" %)**AT Command: AT+TDC**
1029 1029  
930 +[[image:image-20220607171554-8.png]]
1030 1030  
1031 -Or if you have below board, use below connection:
1032 1032  
933 +(((
934 +(% style="color:#037691" %)**Downlink Command: 0x01**
935 +)))
1033 1033  
1034 -[[image:image-20220610172924-5.png]]
937 +(((
938 +Format: Command Code (0x01) followed by 3 bytes time value.
939 +)))
1035 1035  
941 +(((
942 +If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
943 +)))
1036 1036  
945 +* (((
946 +Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
947 +)))
948 +* (((
949 +Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
950 +)))
951 +
952 +== 4.2  Set Interrupt Mode ==
953 +
954 +Feature, Set Interrupt mode for GPIO_EXIT.
955 +
956 +(% style="color:#037691" %)**AT Command: AT+INTMOD**
957 +
958 +[[image:image-20220610105806-2.png]]
959 +
960 +
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:
962 +(% style="color:#037691" %)**Downlink Command: 0x06**
1039 1039  )))
1040 1040  
965 +(((
966 +Format: Command Code (0x06) followed by 3 bytes.
967 +)))
1041 1041  
1042 - [[image:image-20220610172924-6.png||height="601" width="860"]]
969 +(((
970 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
971 +)))
1043 1043  
973 +* (((
974 +Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
975 +)))
976 +* (((
977 +Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
978 +)))
1044 1044  
980 +== 4.3  Get Firmware Version Info ==
1045 1045  
1046 -== 3.2  Set Transmit Interval Time ==
982 +Feature: use downlink to get firmware version.
1047 1047  
1048 -Feature: Change LoRaWAN End Node Transmit Interval.
984 +(% style="color:#037691" %)**Downlink Command: 0x26**
1049 1049  
1050 -(% style="color:#037691" %)**AT Command: AT+TDC**
986 +[[image:image-20220607171917-10.png]]
1051 1051  
1052 -[[image:image-20220610173409-7.png]]
988 +* Reply to the confirmation package: 26 01
989 +* Reply to non-confirmed packet: 26 00
1053 1053  
991 +Device will send an uplink after got this downlink command. With below payload:
1054 1054  
993 +Configures info payload:
994 +
995 +(% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
996 +|=(((
997 +**Size(bytes)**
998 +)))|=**1**|=**1**|=**1**|=**1**|=**1**|=**5**|=**1**
999 +|**Value**|Software Type|(((
1000 +Frequency
1001 +
1002 +Band
1003 +)))|Sub-band|(((
1004 +Firmware
1005 +
1006 +Version
1007 +)))|Sensor Type|Reserve|(((
1008 +[[Message Type>>||anchor="H2.3.7A0MessageType"]]
1009 +Always 0x02
1010 +)))
1011 +
1012 +**Software Type**: Always 0x03 for LLDS12
1013 +
1014 +
1015 +**Frequency Band**:
1016 +
1017 +*0x01: EU868
1018 +
1019 +*0x02: US915
1020 +
1021 +*0x03: IN865
1022 +
1023 +*0x04: AU915
1024 +
1025 +*0x05: KZ865
1026 +
1027 +*0x06: RU864
1028 +
1029 +*0x07: AS923
1030 +
1031 +*0x08: AS923-1
1032 +
1033 +*0x09: AS923-2
1034 +
1035 +*0xa0: AS923-3
1036 +
1037 +
1038 +**Sub-Band**: value 0x00 ~~ 0x08
1039 +
1040 +
1041 +**Firmware Version**: 0x0100, Means: v1.0.0 version
1042 +
1043 +
1044 +**Sensor Type**:
1045 +
1046 +0x01: LSE01
1047 +
1048 +0x02: LDDS75
1049 +
1050 +0x03: LDDS20
1051 +
1052 +0x04: LLMS01
1053 +
1054 +0x05: LSPH01
1055 +
1056 +0x06: LSNPK01
1057 +
1058 +0x07: LLDS12
1059 +
1060 +
1061 +
1062 += 5.  Battery & How to replace =
1063 +
1064 +== 5.1  Battery Type ==
1065 +
1055 1055  (((
1056 -(% style="color:#037691" %)**Downlink Command: 0x01**
1067 +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  (((
1071 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
1072 +)))
1073 +
1074 +[[image:1654593587246-335.png]]
1075 +
1076 +
1077 +Minimum Working Voltage for the LLDS12:
1078 +
1079 +LLDS12:  2.45v ~~ 3.6v
1080 +
1081 +
1082 +
1083 +== 5.2  Replace Battery ==
1084 +
1060 1060  (((
1061 -Format: Command Code (0x01) followed by 3 bytes time value.
1086 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
1087 +)))
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.
1090 +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
1093 +
1094 +
1095 +== 5.3  Power Consumption Analyze ==
1096 +
1097 +(((
1098 +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  )))
1100 +
1101 +(((
1102 +Instruction to use as below:
1070 1070  )))
1071 1071  
1072 1072  
1106 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
1073 1073  
1108 +[[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 ==
1111 +**Step 2**: Open it and choose
1077 1077  
1078 -Feature, Set Interrupt mode for GPIO_EXIT.
1113 +* Product Model
1114 +* Uplink Interval
1115 +* Working Mode
1079 1079  
1080 -(% style="color:#037691" %)**Downlink Command: AT+INTMOD**
1117 +And the Life expectation in difference case will be shown on the right.
1081 1081  
1082 -[[image:image-20220610174917-9.png]]
1119 +[[image:1654593605679-189.png]]
1083 1083  
1084 1084  
1085 -(% style="color:#037691" %)**Downlink Command: 0x06**
1122 +The battery related documents as below:
1086 1086  
1087 -Format: Command Code (0x06) followed by 3 bytes.
1124 +* (((
1125 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
1126 +)))
1127 +* (((
1128 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
1129 +)))
1130 +* (((
1131 +[[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]]
1132 +)))
1088 1088  
1134 +[[image:image-20220607172042-11.png]]
1135 +
1136 +
1137 +
1138 +=== 5.3.1  ​Battery Note ===
1139 +
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.
1141 +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 1096  
1146 +=== ​5.3.2  Replace the battery ===
1097 1097  
1098 -= 4.  FAQ =
1148 +(((
1149 +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.
1150 +)))
1099 1099  
1100 -== 4.1  What is the frequency plan for LDDS75? ==
1152 +(((
1153 +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)
1154 +)))
1101 1101  
1102 -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"]]
1103 1103  
1104 1104  
1158 += 6.  Use AT Command =
1105 1105  
1106 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1160 +== 6.1  Access AT Commands ==
1107 1107  
1108 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1109 -When downloading the images, choose the required image file for download. ​
1162 +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  
1164 +[[image:1654593668970-604.png]]
1111 1111  
1166 +**Connection:**
1112 1112  
1113 -== 4.3  Can I use LDDS75 in condensation environment? ==
1168 +(% style="background-color:yellow" %)** USB TTL GND <~-~-~-~-> GND**
1114 1114  
1115 -LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1170 +(% style="background-color:yellow" %)** USB TTL TXD  <~-~-~-~-> UART_RXD**
1116 1116  
1172 +(% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1117 1117  
1118 1118  
1119 -= 5.  Trouble Shooting =
1175 +(((
1176 +(((
1177 +In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LLDS12.
1178 +)))
1120 1120  
1121 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1180 +(((
1181 +LLDS12 will output system info once power on as below:
1182 +)))
1183 +)))
1122 1122  
1123 -It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1124 1124  
1186 + [[image:1654593712276-618.png]]
1125 1125  
1126 -== 5.2  AT Command input doesn't work ==
1188 +Valid AT Command please check [[Configure Device>>||anchor="H4.A0ConfigureLLDS12viaATCommandorLoRaWANDownlink"]].
1127 1127  
1190 +
1191 += 7.  FAQ =
1192 +
1193 +== 7.1  How to change the LoRa Frequency Bands/Region ==
1194 +
1195 +You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1196 +When downloading the images, choose the required image file for download. ​
1197 +
1198 +
1199 += 8.  Trouble Shooting =
1200 +
1201 +== 8.1  AT Commands input doesn’t work ==
1202 +
1203 +
1204 +(((
1128 1128  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.
1206 +)))
1129 1129  
1208 +
1209 +== 8.2  Significant error between the output distant value of LiDAR and actual distance ==
1210 +
1211 +
1130 1130  (((
1131 -
1213 +(% 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.)
1132 1132  )))
1133 1133  
1216 +(((
1217 +Troubleshooting: Please avoid use of this product under such circumstance in practice.
1218 +)))
1134 1134  
1135 -= 6.  Order Info =
1220 +(((
1221 +
1222 +)))
1136 1136  
1224 +(((
1225 +(% style="color:blue" %)**Cause ②**(%%)**: **The IR-pass filters are blocked.
1226 +)))
1137 1137  
1138 -Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
1228 +(((
1229 +Troubleshooting: please use dry dust-free cloth to gently remove the foreign matter.
1230 +)))
1139 1139  
1140 1140  
1141 -(% style="color:blue" %)**XX**(%%)**: **The default frequency band
1142 1142  
1143 -* (% style="color:red" %)**AS923 **(%%)**:** LoRaWAN AS923 band
1144 -* (% style="color:red" %)**AU915 **(%%)**:** LoRaWAN AU915 band
1145 -* (% style="color:red" %)**EU433 **(%%)**:** LoRaWAN EU433 band
1146 -* (% style="color:red" %)**EU868 **(%%)**:** LoRaWAN EU868 band
1147 -* (% style="color:red" %)**KR920 **(%%)**:** LoRaWAN KR920 band
1148 -* (% style="color:red" %)**US915 **(%%)**:** LoRaWAN US915 band
1149 -* (% style="color:red" %)**IN865 **(%%)**:**  LoRaWAN IN865 band
1150 -* (% style="color:red" %)**CN470 **(%%)**:** LoRaWAN CN470 band
1234 += 9.  Order Info =
1151 1151  
1152 -(% style="color:blue" %)**YY**(%%): Battery Option
1153 1153  
1154 -* (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1155 -* (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1237 +Part Number: (% style="color:blue" %)**LLDS12-XX**
1156 1156  
1157 1157  
1240 +(% style="color:blue" %)**XX**(%%): The default frequency band
1158 1158  
1159 -= 7. ​ Packing Info =
1242 +* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
1243 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1244 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1245 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1246 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1247 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1248 +* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1249 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1160 1160  
1251 += 10. ​ Packing Info =
1161 1161  
1253 +
1162 1162  **Package Includes**:
1163 1163  
1164 -* LDDS75 LoRaWAN Distance Detection Sensor x 1
1256 +* LLDS12 LoRaWAN LiDAR Distance Sensor x 1
1165 1165  
1166 1166  **Dimension and weight**:
1167 1167  
... ... @@ -1170,9 +1170,7 @@
1170 1170  * Package Size / pcs : cm
1171 1171  * Weight / pcs : g
1172 1172  
1265 += 11.  ​Support =
1173 1173  
1174 -
1175 -= 8.  ​Support =
1176 -
1177 1177  * 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.
1178 1178  * 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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