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Last modified by Xiaoling on 2025/04/27 13:54
From version 150.53
edited by Xiaoling
on 2022/06/11 09:21
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To version 158.9
edited by Xiaoling
on 2022/06/11 10:40
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Title
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1 -LDDS75 - LoRaWAN Distance Detection Sensor User Manual
1 +LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Content
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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  (((
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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  (((
... ... @@ -62,12 +62,14 @@
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 73  
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74 74  == ​1.2  Features ==
75 75  
76 76  * LoRaWAN 1.0.3 Class A
77 -* Ultra low power consumption
78 +* Ultra-low power consumption
78 78  * Distance Detection by Ultrasonic technology
79 -* Flat object range 280mm - 7500mm
80 +* Flat object range 30mm - 4500mm
80 80  * Accuracy: ±(1cm+S*0.3%) (S: Distance)
82 +* 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
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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
89 +* 8500mAh Battery for long term use
88 88  
91 +
89 89  == 1.3  Specification ==
90 90  
91 91  === 1.3.1  Rated environmental conditions ===
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92 92  
93 93  [[image:image-20220610154839-1.png]]
94 94  
98 +
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)**
100 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
101 +
102 +**~ 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  
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129 129  * Sewer
130 130  * Bottom water level monitoring
131 131  
138 +
132 132  == 1.6  Pin mapping and power on ==
133 133  
134 134  
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136 136  
137 137  
138 138  
139 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
146 += 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
151 +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.
155 +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  
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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.
164 +
165 +
157 157  )))
158 158  
168 +[[image:1654913911773-521.png]]
169 +
170 +
159 159  (((
160 -[[image:1654848616367-242.png]]
172 +
161 161  )))
162 162  
163 163  (((
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165 165  )))
166 166  
167 167  (((
168 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
180 +(% 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.
184 +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]]
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196 196  
197 197  [[image:image-20220610161353-7.png]]
198 198  
211 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
199 199  
213 +
214 +
200 200  You can also choose to create the device manually.
201 201  
202 202   [[image:image-20220610161538-8.png]]
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209 209  
210 210  
211 211  
212 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
227 +(% 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]]
232 +[[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.
236 +(% 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]]
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229 229  
230 230  (((
231 231  (((
232 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
233 -)))
247 +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
249 +Uplink payload includes in total 8 bytes.
238 238  )))
239 239  )))
240 240  
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261 261  === 2.3.1  Battery Info ===
262 262  
263 263  
264 -Check the battery voltage for LDDS75.
276 +Check the battery voltage for LDDS45.
265 265  
266 266  Ex1: 0x0B45 = 2885mV
267 267  
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272 272  === 2.3.2  Distance ===
273 273  
274 274  (((
275 -Get the distance. Flat object range 280mm - 7500mm.
287 +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.**
291 +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.
296 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
285 285  
286 286  
287 287  === 2.3.3  Interrupt Pin ===
288 288  
289 -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.
290 290  
291 291  **Example:**
292 292  
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306 306  
307 307  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
308 308  
309 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
310 310  
311 311  
312 -
313 313  === 2.3.5  Sensor Flag ===
314 314  
315 315  (((
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860 860  * Blink once when device transmit a packet.
861 861  
862 862  
863 -
864 864  == 2.8  ​Firmware Change Log ==
865 865  
866 866  
876 +(((
867 867  **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/]]
878 +)))
868 868  
880 +(((
881 +
882 +)))
869 869  
884 +(((
870 870  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
886 +)))
871 871  
872 872  
873 873  
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1011 1011  [[image:image-20220610172924-5.png]]
1012 1012  
1013 1013  
1030 +(((
1014 1014  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:
1032 +)))
1015 1015  
1016 1016  
1017 1017   [[image:image-20220610172924-6.png||height="601" width="860"]]
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1035 1035  (((
1036 1036  Format: Command Code (0x01) followed by 3 bytes time value.
1037 1037  
1056 +(((
1038 1038  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1058 +)))
1039 1039  
1040 1040  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1041 1041  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1042 1042  )))
1063 +)))
1043 1043  
1044 1044  
1045 -
1046 -)))
1047 1047  
1067 +
1068 +
1048 1048  == 3.3  Set Interrupt Mode ==
1049 1049  
1050 1050  Feature, Set Interrupt mode for GPIO_EXIT.
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1058 1058  
1059 1059  Format: Command Code (0x06) followed by 3 bytes.
1060 1060  
1082 +(((
1061 1061  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1084 +)))
1062 1062  
1063 1063  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1064 1064  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1065 1065  
1089 +
1066 1066  = 4.  FAQ =
1067 1067  
1068 1068  == 4.1  What is the frequency plan for LDDS75? ==
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1122 1122  * (% style="color:red" %)**4 **(%%)**: **4000mAh battery
1123 1123  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1124 1124  
1149 +
1125 1125  = 7. ​ Packing Info =
1126 1126  
1127 1127  
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1136 1136  * Package Size / pcs : cm
1137 1137  * Weight / pcs : g
1138 1138  
1164 +
1139 1139  = 8.  ​Support =
1140 1140  
1141 1141  * 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.
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