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

From version 150.36
edited by Xiaoling
on 2022/06/11 09:12
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To version 159.5
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
... ... @@ -84,11 +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  
89 89  
90 90  
91 91  
93 +
92 92  == 1.3  Specification ==
93 93  
94 94  === 1.3.1  Rated environmental conditions ===
... ... @@ -95,12 +95,15 @@
95 95  
96 96  [[image:image-20220610154839-1.png]]
97 97  
98 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
99 99  
100 -**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)**
101 +(((
102 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
101 101  
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 +)))
102 102  
103 103  
108 +
104 104  === 1.3.2  Effective measurement range Reference beam pattern ===
105 105  
106 106  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
... ... @@ -111,7 +111,9 @@
111 111  
112 112  
113 113  
119 +(((
114 114  **(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 +)))
115 115  
116 116  
117 117  [[image:1654852175653-550.png]](% style="display:none" %) ** **
... ... @@ -130,6 +130,10 @@
130 130  * Sewer
131 131  * Bottom water level monitoring
132 132  
140 +
141 +
142 +
143 +
133 133  == 1.6  Pin mapping and power on ==
134 134  
135 135  
... ... @@ -137,16 +137,16 @@
137 137  
138 138  
139 139  
140 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
151 += 2.  Configure LDDS45 to connect to LoRaWAN network =
141 141  
142 142  == 2.1  How it works ==
143 143  
144 144  (((
145 -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
156 +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
146 146  )))
147 147  
148 148  (((
149 -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.
160 +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.
150 150  )))
151 151  
152 152  
... ... @@ -155,10 +155,15 @@
155 155  
156 156  (((
157 157  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.
169 +
170 +
158 158  )))
159 159  
173 +[[image:1654913911773-521.png]]
174 +
175 +
160 160  (((
161 -[[image:1654848616367-242.png]]
177 +
162 162  )))
163 163  
164 164  (((
... ... @@ -166,21 +166,27 @@
166 166  )))
167 167  
168 168  (((
169 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
185 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
170 170  )))
171 171  
172 172  (((
173 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
189 +Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
174 174  )))
175 175  
176 176  [[image:image-20220607170145-1.jpeg]]
177 177  
178 178  
195 +(((
179 179  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
197 +)))
180 180  
199 +(((
181 181  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
201 +)))
182 182  
203 +(((
183 183  **Add APP EUI in the application**
205 +)))
184 184  
185 185  [[image:image-20220610161353-4.png]]
186 186  
... ... @@ -191,7 +191,10 @@
191 191  
192 192  [[image:image-20220610161353-7.png]]
193 193  
216 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
194 194  
218 +
219 +
195 195  You can also choose to create the device manually.
196 196  
197 197   [[image:image-20220610161538-8.png]]
... ... @@ -204,16 +204,16 @@
204 204  
205 205  
206 206  
207 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
232 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
208 208  
209 209  
210 210  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
211 211  
212 -[[image:image-20220610161724-10.png]]
237 +[[image:image-20220611102908-2.png]]
213 213  
214 214  
215 215  (((
216 -(% 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.
241 +(% 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.
217 217  )))
218 218  
219 219  [[image:1654849068701-275.png]]
... ... @@ -223,11 +223,12 @@
223 223  == 2.3  ​Uplink Payload ==
224 224  
225 225  (((
226 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
251 +(((
252 +LDDS45 will uplink payload via LoRaWAN with below payload format: 
227 227  
228 -Uplink payload includes in total 4 bytes.
229 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
254 +Uplink payload includes in total 8 bytes.
230 230  )))
256 +)))
231 231  
232 232  (((
233 233  
... ... @@ -252,7 +252,7 @@
252 252  === 2.3.1  Battery Info ===
253 253  
254 254  
255 -Check the battery voltage for LDDS75.
281 +Check the battery voltage for LDDS45.
256 256  
257 257  Ex1: 0x0B45 = 2885mV
258 258  
... ... @@ -262,18 +262,21 @@
262 262  
263 263  === 2.3.2  Distance ===
264 264  
265 -Get the distance. Flat object range 280mm - 7500mm.
291 +(((
292 +Get the distance. Flat object range 30mm - 4500mm.
293 +)))
266 266  
267 -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 +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.**
297 +)))
268 268  
269 269  
270 270  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
271 -* 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.
301 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
272 272  
273 -
274 274  === 2.3.3  Interrupt Pin ===
275 275  
276 -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.
305 +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.
277 277  
278 278  **Example:**
279 279  
... ... @@ -293,15 +293,17 @@
293 293  
294 294  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
295 295  
296 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
297 297  
298 298  
299 -
300 300  === 2.3.5  Sensor Flag ===
301 301  
329 +(((
302 302  0x01: Detect Ultrasonic Sensor
331 +)))
303 303  
333 +(((
304 304  0x00: No Ultrasonic Sensor
335 +)))
305 305  
306 306  
307 307  
... ... @@ -314,13 +314,15 @@
314 314  
315 315  The payload decoder function for TTN V3 is here:
316 316  
317 -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/]]
348 +(((
349 +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/]]
350 +)))
318 318  
319 319  
320 320  
321 321  == 2.4  Uplink Interval ==
322 322  
323 -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"]]
356 +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"]]
324 324  
325 325  
326 326  
... ... @@ -351,7 +351,7 @@
351 351  
352 352  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
353 353  
354 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
387 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
355 355  
356 356  [[image:1654851029373-510.png]]
357 357  
... ... @@ -365,7 +365,7 @@
365 365  == 2.6  Frequency Plans ==
366 366  
367 367  (((
368 -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.
401 +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.
369 369  )))
370 370  
371 371  
... ... @@ -832,7 +832,7 @@
832 832  
833 833  == 2.7  LED Indicator ==
834 834  
835 -The LDDS75 has an internal LED which is to show the status of different state.
868 +The LDDS45 has an internal LED which is to show the status of different state.
836 836  
837 837  
838 838  * Blink once when device power on.
... ... @@ -840,14 +840,20 @@
840 840  * Solid ON for 5 seconds once device successful Join the network.
841 841  * Blink once when device transmit a packet.
842 842  
843 -
844 844  == 2.8  ​Firmware Change Log ==
845 845  
846 846  
847 -**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/]]
879 +(((
880 +**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/]]
881 +)))
848 848  
883 +(((
884 +
885 +)))
849 849  
887 +(((
850 850  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
889 +)))
851 851  
852 852  
853 853  
... ... @@ -854,20 +854,72 @@
854 854  == 2.9  Mechanical ==
855 855  
856 856  
857 -[[image:image-20220610172003-1.png]]
896 +[[image:1654915562090-396.png]]
858 858  
859 859  
860 -[[image:image-20220610172003-2.png]]
861 861  
862 862  
863 863  
864 -== 2.10  Battery Analysis ==
902 += 3. Battery & How to replace =
865 865  
866 -=== 2.10.1  Battery Type ===
904 +== 3.1 Battery Type ==
867 867  
868 -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.
906 +(((
907 +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.
908 +)))
869 869  
910 +(((
911 +The discharge curve is not linear so can’t simply use percentage to show the battery level. Below is the battery performance.
912 +)))
870 870  
914 +[[image:1654593587246-335.png]]
915 +
916 +
917 +Minimum Working Voltage for the LSPH01:
918 +
919 +LSPH01:  2.45v ~~ 3.6v
920 +
921 +
922 +
923 +== 3.2 Replace Battery ==
924 +
925 +(((
926 +Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
927 +)))
928 +
929 +(((
930 +And make sure the positive and negative pins match.
931 +)))
932 +
933 +
934 +
935 +== 3.3 Power Consumption Analyze ==
936 +
937 +(((
938 +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.
939 +)))
940 +
941 +(((
942 +Instruction to use as below:
943 +)))
944 +
945 +
946 +**Step 1**: Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from:
947 +
948 +[[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/]]
949 +
950 +
951 +**Step 2**: Open it and choose
952 +
953 +* Product Model
954 +* Uplink Interval
955 +* Working Mode
956 +
957 +And the Life expectation in difference case will be shown on the right.
958 +
959 +[[image:1654593605679-189.png]]
960 +
961 +
871 871  The battery related documents as below:
872 872  
873 873  * (((
... ... @@ -880,28 +880,33 @@
880 880  [[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]]
881 881  )))
882 882  
883 - [[image:image-20220610172400-3.png]]
974 +[[image:image-20220607172042-11.png]]
884 884  
885 885  
886 886  
887 -=== 2.10. Replace the battery ===
978 +=== 3.3.1 ​Battery Note ===
888 888  
889 889  (((
890 -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.
981 +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.
891 891  )))
892 892  
984 +
985 +
986 +=== ​3.3.2 Replace the battery ===
987 +
893 893  (((
894 -
989 +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.
895 895  )))
896 896  
897 897  (((
898 -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)
993 +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)
899 899  )))
900 900  
901 901  
902 902  
903 -= 3.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
904 904  
999 += 4.  Configure LDDS75 via AT Command or LoRaWAN Downlink =
1000 +
905 905  (((
906 906  (((
907 907  Use can configure LDDS75 via AT Command or LoRaWAN Downlink.
... ... @@ -978,7 +978,7 @@
978 978  
979 979  
980 980  
981 -== 3.1  Access AT Commands ==
1077 +== 4.1  Access AT Commands ==
982 982  
983 983  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.
984 984  
... ... @@ -991,7 +991,9 @@
991 991  [[image:image-20220610172924-5.png]]
992 992  
993 993  
1090 +(((
994 994  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:
1092 +)))
995 995  
996 996  
997 997   [[image:image-20220610172924-6.png||height="601" width="860"]]
... ... @@ -998,7 +998,7 @@
998 998  
999 999  
1000 1000  
1001 -== 3.2  Set Transmit Interval Time ==
1099 +== 4.2  Set Transmit Interval Time ==
1002 1002  
1003 1003  Feature: Change LoRaWAN End Node Transmit Interval.
1004 1004  
... ... @@ -1015,18 +1015,21 @@
1015 1015  (((
1016 1016  Format: Command Code (0x01) followed by 3 bytes time value.
1017 1017  
1116 +(((
1018 1018  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1118 +)))
1019 1019  
1020 1020  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1021 1021  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1022 1022  )))
1123 +)))
1023 1023  
1024 1024  
1025 -
1026 -)))
1027 1027  
1028 -== 3.3  Set Interrupt Mode ==
1029 1029  
1128 +
1129 +== 4.3  Set Interrupt Mode ==
1130 +
1030 1030  Feature, Set Interrupt mode for GPIO_EXIT.
1031 1031  
1032 1032  (% style="color:#037691" %)**Downlink Command: AT+INTMOD**
... ... @@ -1038,22 +1038,22 @@
1038 1038  
1039 1039  Format: Command Code (0x06) followed by 3 bytes.
1040 1040  
1142 +(((
1041 1041  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1144 +)))
1042 1042  
1043 1043  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1044 1044  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1045 1045  
1149 += 5.  FAQ =
1046 1046  
1151 +== 5.1  What is the frequency plan for LDDS75? ==
1047 1047  
1048 -= 4.  FAQ =
1049 -
1050 -== 4.1  What is the frequency plan for LDDS75? ==
1051 -
1052 1052  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"]]
1053 1053  
1054 1054  
1055 1055  
1056 -== 4.2  How to change the LoRa Frequency Bands/Region ==
1157 +== 5.2  How to change the LoRa Frequency Bands/Region ==
1057 1057  
1058 1058  You can follow the instructions for [[how to upgrade image>>||anchor="H2.8A0200BFirmwareChangeLog"]].
1059 1059  When downloading the images, choose the required image file for download. ​
... ... @@ -1060,20 +1060,20 @@
1060 1060  
1061 1061  
1062 1062  
1063 -== 4.3  Can I use LDDS75 in condensation environment? ==
1164 +== 5.3  Can I use LDDS75 in condensation environment? ==
1064 1064  
1065 1065  LDDS75 is not suitable to be used in condensation environment. Condensation on the LDDS75 probe will affect the reading and always got 0.
1066 1066  
1067 1067  
1068 1068  
1069 -= 5.  Trouble Shooting =
1170 += 6.  Trouble Shooting =
1070 1070  
1071 -== 5.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1172 +== 6.1  Why I can’t join TTN V3 in US915 / AU915 bands? ==
1072 1072  
1073 1073  It is due to channel mapping. Please see below link:  [[Frequency band>>doc:Main.LoRaWAN Communication Debug.WebHome||anchor="H2.NoticeofUS9152FCN4702FAU915Frequencyband"]]
1074 1074  
1075 1075  
1076 -== 5.2  AT Command input doesn't work ==
1177 +== 6.2  AT Command input doesn't work ==
1077 1077  
1078 1078  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.
1079 1079  
... ... @@ -1082,7 +1082,7 @@
1082 1082  )))
1083 1083  
1084 1084  
1085 -= 6.  Order Info =
1186 += 7.  Order Info =
1086 1086  
1087 1087  
1088 1088  Part Number **:** (% style="color:blue" %)**LDDS75-XX-YY**
... ... @@ -1104,11 +1104,9 @@
1104 1104  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1105 1105  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1106 1106  
1208 += 8. ​ Packing Info =
1107 1107  
1108 1108  
1109 -= 7. ​ Packing Info =
1110 -
1111 -
1112 1112  **Package Includes**:
1113 1113  
1114 1114  * LDDS75 LoRaWAN Distance Detection Sensor x 1
... ... @@ -1120,9 +1120,7 @@
1120 1120  * Package Size / pcs : cm
1121 1121  * Weight / pcs : g
1122 1122  
1222 += 9.  ​Support =
1123 1123  
1124 -
1125 -= 8.  ​Support =
1126 -
1127 1127  * 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.
1128 1128  * 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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