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

From version 151.1
edited by Xiaoling
on 2022/06/11 09:25
Change comment: There is no comment for this version
To version 159.4
edited by Xiaoling
on 2022/06/11 10:57
Change comment: There is no comment for this version

Summary

Details

Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -LDDS75 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Content
... ... @@ -1,9 +1,8 @@
1 1  (% style="text-align:center" %)
2 -[[image:1654846127817-788.png]]
2 +[[image:1654912614655-664.png||height="530" width="628"]]
3 3  
4 4  **Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
9 9  
... ... @@ -21,7 +21,7 @@
21 21  
22 22  (((
23 23  (((
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.
23 +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 25  )))
26 26  
27 27  (((
... ... @@ -37,7 +37,7 @@
37 37  )))
38 38  
39 39  (((
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.
39 +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 41  )))
42 42  
43 43  (((
... ... @@ -45,7 +45,7 @@
45 45  )))
46 46  
47 47  (((
48 -LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
47 +LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
49 49  )))
50 50  
51 51  (((
... ... @@ -53,7 +53,7 @@
53 53  )))
54 54  
55 55  (((
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.
55 +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 57  )))
58 58  
59 59  (((
... ... @@ -62,22 +62,24 @@
62 62  
63 63  (((
64 64  (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
64 +
65 +
65 65  )))
66 66  )))
67 67  )))
68 68  
70 +[[image:1654912858581-740.png]]
69 69  
70 -[[image:1654847051249-359.png]]
71 71  
72 72  
73 -
74 74  == ​1.2  Features ==
75 75  
76 76  * LoRaWAN 1.0.3 Class A
77 -* Ultra low power consumption
77 +* Ultra-low power consumption
78 78  * Distance Detection by Ultrasonic technology
79 -* Flat object range 280mm - 7500mm
79 +* Flat object range 30mm - 4500mm
80 80  * Accuracy: ±(1cm+S*0.3%) (S: Distance)
81 +* Measure Angle: 60°
81 81  * Cable Length : 25cm
82 82  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
83 83  * AT Commands to change parameters
... ... @@ -84,8 +84,12 @@
84 84  * Uplink on periodically
85 85  * Downlink to change configure
86 86  * IP66 Waterproof Enclosure
87 -* 4000mAh or 8500mAh Battery for long term use
88 +* 8500mAh Battery for long term use
88 88  
90 +
91 +
92 +
93 +
89 89  == 1.3  Specification ==
90 90  
91 91  === 1.3.1  Rated environmental conditions ===
... ... @@ -92,8 +92,11 @@
92 92  
93 93  [[image:image-20220610154839-1.png]]
94 94  
100 +
95 95  (((
96 -**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)**
102 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
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)**
97 97  )))
98 98  
99 99  
... ... @@ -136,16 +136,16 @@
136 136  
137 137  
138 138  
139 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
147 += 2.  Configure LDDS45 to connect to LoRaWAN network =
140 140  
141 141  == 2.1  How it works ==
142 142  
143 143  (((
144 -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
152 +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
145 145  )))
146 146  
147 147  (((
148 -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.
156 +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.
149 149  )))
150 150  
151 151  
... ... @@ -154,10 +154,15 @@
154 154  
155 155  (((
156 156  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.
165 +
166 +
157 157  )))
158 158  
169 +[[image:1654913911773-521.png]]
170 +
171 +
159 159  (((
160 -[[image:1654848616367-242.png]]
173 +
161 161  )))
162 162  
163 163  (((
... ... @@ -165,11 +165,11 @@
165 165  )))
166 166  
167 167  (((
168 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
181 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
169 169  )))
170 170  
171 171  (((
172 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
185 +Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
173 173  )))
174 174  
175 175  [[image:image-20220607170145-1.jpeg]]
... ... @@ -196,7 +196,10 @@
196 196  
197 197  [[image:image-20220610161353-7.png]]
198 198  
212 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
199 199  
214 +
215 +
200 200  You can also choose to create the device manually.
201 201  
202 202   [[image:image-20220610161538-8.png]]
... ... @@ -209,16 +209,16 @@
209 209  
210 210  
211 211  
212 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
228 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
213 213  
214 214  
215 215  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
216 216  
217 -[[image:image-20220610161724-10.png]]
233 +[[image:image-20220611102908-2.png]]
218 218  
219 219  
220 220  (((
221 -(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
237 +(% style="color:blue" %)**Step 3**(%%)**:** The LDDS45 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
222 222  )))
223 223  
224 224  [[image:1654849068701-275.png]]
... ... @@ -229,12 +229,9 @@
229 229  
230 230  (((
231 231  (((
232 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
233 -)))
248 +LDDS45 will uplink payload via LoRaWAN with below payload format: 
234 234  
235 -(((
236 -Uplink payload includes in total 4 bytes.
237 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
250 +Uplink payload includes in total 8 bytes.
238 238  )))
239 239  )))
240 240  
... ... @@ -261,7 +261,7 @@
261 261  === 2.3.1  Battery Info ===
262 262  
263 263  
264 -Check the battery voltage for LDDS75.
277 +Check the battery voltage for LDDS45.
265 265  
266 266  Ex1: 0x0B45 = 2885mV
267 267  
... ... @@ -272,20 +272,20 @@
272 272  === 2.3.2  Distance ===
273 273  
274 274  (((
275 -Get the distance. Flat object range 280mm - 7500mm.
288 +Get the distance. Flat object range 30mm - 4500mm.
276 276  )))
277 277  
278 278  (((
279 -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.**
292 +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.**
280 280  )))
281 281  
282 282  
283 283  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
284 -* 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.
297 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
285 285  
286 286  === 2.3.3  Interrupt Pin ===
287 287  
288 -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.
301 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
289 289  
290 290  **Example:**
291 291  
... ... @@ -305,10 +305,8 @@
305 305  
306 306  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
307 307  
308 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
309 309  
310 310  
311 -
312 312  === 2.3.5  Sensor Flag ===
313 313  
314 314  (((
... ... @@ -331,7 +331,7 @@
331 331  The payload decoder function for TTN V3 is here:
332 332  
333 333  (((
334 -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/]]
345 +LDDS45 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/]]
335 335  )))
336 336  
337 337  
... ... @@ -338,7 +338,7 @@
338 338  
339 339  == 2.4  Uplink Interval ==
340 340  
341 -The LDDS75 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
352 +The LDDS45 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
342 342  
343 343  
344 344  
... ... @@ -369,7 +369,7 @@
369 369  
370 370  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
371 371  
372 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
383 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
373 373  
374 374  [[image:1654851029373-510.png]]
375 375  
... ... @@ -383,7 +383,7 @@
383 383  == 2.6  Frequency Plans ==
384 384  
385 385  (((
386 -The LDDS75 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
397 +The LDDS45 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
387 387  )))
388 388  
389 389  
... ... @@ -850,7 +850,7 @@
850 850  
851 851  == 2.7  LED Indicator ==
852 852  
853 -The LDDS75 has an internal LED which is to show the status of different state.
864 +The LDDS45 has an internal LED which is to show the status of different state.
854 854  
855 855  
856 856  * Blink once when device power on.
... ... @@ -858,12 +858,11 @@
858 858  * Solid ON for 5 seconds once device successful Join the network.
859 859  * Blink once when device transmit a packet.
860 860  
861 -
862 862  == 2.8  ​Firmware Change Log ==
863 863  
864 864  
865 865  (((
866 -**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/]]
876 +**Firmware download link: **[[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDDS75/Firmware/]]
867 867  )))
868 868  
869 869  (((
... ... @@ -879,20 +879,72 @@
879 879  == 2.9  Mechanical ==
880 880  
881 881  
882 -[[image:image-20220610172003-1.png]]
892 +[[image:1654915562090-396.png]]
883 883  
884 884  
885 -[[image:image-20220610172003-2.png]]
886 886  
887 887  
888 888  
889 -== 2.10  Battery Analysis ==
898 += 3. Battery & How to replace =
890 890  
891 -=== 2.10.1  Battery Type ===
900 +== 3.1 Battery Type ==
892 892  
893 -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.
902 +(((
903 +LSPH01 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.
904 +)))
894 894  
906 +(((
907 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
908 +)))
895 895  
910 +[[image:1654593587246-335.png]]
911 +
912 +
913 +Minimum Working Voltage for the LSPH01:
914 +
915 +LSPH01:  2.45v ~~ 3.6v
916 +
917 +
918 +
919 +== 3.2 Replace Battery ==
920 +
921 +(((
922 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
923 +)))
924 +
925 +(((
926 +And make sure the positive and negative pins match.
927 +)))
928 +
929 +
930 +
931 +== 3.3 Power Consumption Analyze ==
932 +
933 +(((
934 +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.
935 +)))
936 +
937 +(((
938 +Instruction to use as below:
939 +)))
940 +
941 +
942 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
943 +
944 +[[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/]]
945 +
946 +
947 +**Step 2**: Open it and choose
948 +
949 +* Product Model
950 +* Uplink Interval
951 +* Working Mode
952 +
953 +And the Life expectation in difference case will be shown on the right.
954 +
955 +[[image:1654593605679-189.png]]
956 +
957 +
896 896  The battery related documents as below:
897 897  
898 898  * (((
... ... @@ -905,28 +905,33 @@
905 905  [[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]]
906 906  )))
907 907  
908 - [[image:image-20220610172400-3.png]]
970 +[[image:image-20220607172042-11.png]]
909 909  
910 910  
911 911  
912 -=== 2.10. Replace the battery ===
974 +=== 3.3.1 ​Battery Note ===
913 913  
914 914  (((
915 -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.
977 +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.
916 916  )))
917 917  
980 +
981 +
982 +=== ​3.3.2 Replace the battery ===
983 +
918 918  (((
919 -
985 +You can change the battery in the LSPH01.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.
920 920  )))
921 921  
922 922  (((
923 -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)
989 +The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user cant 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)
924 924  )))
925 925  
926 926  
927 927  
928 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
929 929  
995 += 4.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
996 +
930 930  (((
931 931  (((
932 932  Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
... ... @@ -1003,7 +1003,7 @@
1003 1003  
1004 1004  
1005 1005  
1006 -== 3.1  Access AT Commands ==
1073 +== 4.1  Access AT Commands ==
1007 1007  
1008 1008  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.
1009 1009  
... ... @@ -1025,7 +1025,7 @@
1025 1025  
1026 1026  
1027 1027  
1028 -== 3.2  Set Transmit Interval Time ==
1095 +== 4.2  Set Transmit Interval Time ==
1029 1029  
1030 1030  Feature: Change LoRaWAN End Node Transmit Interval.
1031 1031  
... ... @@ -1049,13 +1049,14 @@
1049 1049  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1050 1050  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1051 1051  )))
1119 +)))
1052 1052  
1053 1053  
1054 -
1055 -)))
1056 1056  
1057 -== 3.3  Set Interrupt Mode ==
1058 1058  
1124 +
1125 +== 4.3  Set Interrupt Mode ==
1126 +
1059 1059  Feature, Set Interrupt mode for GPIO_EXIT.
1060 1060  
1061 1061  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -1074,17 +1074,15 @@
1074 1074  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1075 1075  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1076 1076  
1145 += 5.  FAQ =
1077 1077  
1147 +== 5.1  What is the frequency plan for LDDS75? ==
1078 1078  
1079 -= 4.  FAQ =
1080 -
1081 -== 4.1  What is the frequency plan for LDDS75? ==
1082 -
1083 1083  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"]]
1084 1084  
1085 1085  
1086 1086  
1087 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1153 +== 5.2  How to change the LoRa Frequency Bands/Region ==
1088 1088  
1089 1089  You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1090 1090  When downloading the images, choose the required image file for download. ​
... ... @@ -1091,20 +1091,20 @@
1091 1091  
1092 1092  
1093 1093  
1094 -== 4.3  Can I use LDDS75 in condensation environment? ==
1160 +== 5.3  Can I use LDDS75 in condensation environment? ==
1095 1095  
1096 1096  LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1097 1097  
1098 1098  
1099 1099  
1100 -= 5.  Trouble Shooting =
1166 += 6.  Trouble Shooting =
1101 1101  
1102 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1168 +== 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1103 1103  
1104 1104  It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1105 1105  
1106 1106  
1107 -== 5.2  AT Command input doesn't work ==
1173 +== 6.2  AT Command input doesn't work ==
1108 1108  
1109 1109  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.
1110 1110  
... ... @@ -1113,7 +1113,7 @@
1113 1113  )))
1114 1114  
1115 1115  
1116 -= 6.  Order Info =
1182 += 7.  Order Info =
1117 1117  
1118 1118  
1119 1119  Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
... ... @@ -1135,11 +1135,9 @@
1135 1135  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1136 1136  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1137 1137  
1204 += 8. ​ Packing Info =
1138 1138  
1139 1139  
1140 -= 7. ​ Packing Info =
1141 -
1142 -
1143 1143  **Package Includes**:
1144 1144  
1145 1145  * LDDS75 LoRaWAN Distance Detection Sensor x 1
... ... @@ -1151,9 +1151,7 @@
1151 1151  * Package Size / pcs : cm
1152 1152  * Weight / pcs : g
1153 1153  
1218 += 9.  ​Support =
1154 1154  
1155 -
1156 -= 8.  ​Support =
1157 -
1158 1158  * 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.
1159 1159  * 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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