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From version 150.35
edited by Xiaoling
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To version 158.9
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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  
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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  (((
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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  
95 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
96 96  
97 -**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)**
99 +(((
100 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);       **
98 98  
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)**
103 +)))
99 99  
100 100  
106 +
101 101  === 1.3.2  Effective measurement range Reference beam pattern ===
102 102  
103 103  **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**
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108 108  
109 109  
110 110  
117 +(((
111 111  **(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.**
119 +)))
112 112  
113 113  
114 114  [[image:1654852175653-550.png]](% style="display:none" %) ** **
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127 127  * Sewer
128 128  * Bottom water level monitoring
129 129  
138 +
130 130  == 1.6  Pin mapping and power on ==
131 131  
132 132  
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134 134  
135 135  
136 136  
137 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
146 += 2.  Configure LDDS45 to connect to LoRaWAN network =
138 138  
139 139  == 2.1  How it works ==
140 140  
141 141  (((
142 -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
143 143  )))
144 144  
145 145  (((
146 -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.
147 147  )))
148 148  
149 149  
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152 152  
153 153  (((
154 154  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 +
155 155  )))
156 156  
168 +[[image:1654913911773-521.png]]
169 +
170 +
157 157  (((
158 -[[image:1654848616367-242.png]]
172 +
159 159  )))
160 160  
161 161  (((
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163 163  )))
164 164  
165 165  (((
166 -(% 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.
167 167  )))
168 168  
169 169  (((
170 -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.
171 171  )))
172 172  
173 173  [[image:image-20220607170145-1.jpeg]]
174 174  
175 175  
190 +(((
176 176  For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
192 +)))
177 177  
194 +(((
178 178  Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
196 +)))
179 179  
198 +(((
180 180  **Add APP EUI in the application**
200 +)))
181 181  
182 182  [[image:image-20220610161353-4.png]]
183 183  
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188 188  
189 189  [[image:image-20220610161353-7.png]]
190 190  
211 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
191 191  
213 +
214 +
192 192  You can also choose to create the device manually.
193 193  
194 194   [[image:image-20220610161538-8.png]]
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201 201  
202 202  
203 203  
204 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
227 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
205 205  
206 206  
207 207  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
208 208  
209 -[[image:image-20220610161724-10.png]]
232 +[[image:image-20220611102908-2.png]]
210 210  
211 211  
212 212  (((
213 -(% 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.
214 214  )))
215 215  
216 216  [[image:1654849068701-275.png]]
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220 220  == 2.3  ​Uplink Payload ==
221 221  
222 222  (((
223 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
246 +(((
247 +LDDS45 will uplink payload via LoRaWAN with below payload format: 
224 224  
225 -Uplink payload includes in total 4 bytes.
226 -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.
227 227  )))
251 +)))
228 228  
229 229  (((
230 230  
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249 249  === 2.3.1  Battery Info ===
250 250  
251 251  
252 -Check the battery voltage for LDDS75.
276 +Check the battery voltage for LDDS45.
253 253  
254 254  Ex1: 0x0B45 = 2885mV
255 255  
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259 259  
260 260  === 2.3.2  Distance ===
261 261  
262 -Get the distance. Flat object range 280mm - 7500mm.
286 +(((
287 +Get the distance. Flat object range 30mm - 4500mm.
288 +)))
263 263  
264 -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.**
290 +(((
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.**
292 +)))
265 265  
266 266  
267 267  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
268 -* 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.
269 269  
270 270  
271 271  === 2.3.3  Interrupt Pin ===
272 272  
273 -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.
274 274  
275 275  **Example:**
276 276  
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290 290  
291 291  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
292 292  
293 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
294 294  
295 295  
296 -
297 297  === 2.3.5  Sensor Flag ===
298 298  
325 +(((
299 299  0x01: Detect Ultrasonic Sensor
327 +)))
300 300  
329 +(((
301 301  0x00: No Ultrasonic Sensor
331 +)))
302 302  
303 303  
304 304  
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311 311  
312 312  The payload decoder function for TTN V3 is here:
313 313  
344 +(((
314 314  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/]]
346 +)))
315 315  
316 316  
317 317  
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841 841  == 2.8  ​Firmware Change Log ==
842 842  
843 843  
876 +(((
844 844  **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 +)))
845 845  
880 +(((
881 +
882 +)))
846 846  
884 +(((
847 847  **Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
886 +)))
848 848  
849 849  
850 850  
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988 988  [[image:image-20220610172924-5.png]]
989 989  
990 990  
1030 +(((
991 991  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 +)))
992 992  
993 993  
994 994   [[image:image-20220610172924-6.png||height="601" width="860"]]
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1012 1012  (((
1013 1013  Format: Command Code (0x01) followed by 3 bytes time value.
1014 1014  
1056 +(((
1015 1015  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
1058 +)))
1016 1016  
1017 1017  * Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1018 1018  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1019 1019  )))
1063 +)))
1020 1020  
1021 1021  
1022 -
1023 -)))
1024 1024  
1067 +
1068 +
1025 1025  == 3.3  Set Interrupt Mode ==
1026 1026  
1027 1027  Feature, Set Interrupt mode for GPIO_EXIT.
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1035 1035  
1036 1036  Format: Command Code (0x06) followed by 3 bytes.
1037 1037  
1082 +(((
1038 1038  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 +)))
1039 1039  
1040 1040  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1041 1041  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1042 1042  
1043 1043  
1044 -
1045 1045  = 4.  FAQ =
1046 1046  
1047 1047  == 4.1  What is the frequency plan for LDDS75? ==
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1102 1102  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1103 1103  
1104 1104  
1105 -
1106 1106  = 7. ​ Packing Info =
1107 1107  
1108 1108  
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1118 1118  * Weight / pcs : g
1119 1119  
1120 1120  
1121 -
1122 1122  = 8.  ​Support =
1123 1123  
1124 1124  * 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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