Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 154.1 >
edited by Xiaoling
on 2022/06/11 10:00
To version < 158.13 >
edited by Xiaoling
on 2022/06/11 10:42
>
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Summary

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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  (((
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45 45  )))
46 46  
47 47  (((
48 -LDDS75 is powered by (% style="color:#4472c4" %)** 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  (((
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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 70  
71 71  
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73 73  == ​1.2  Features ==
74 74  
75 75  * LoRaWAN 1.0.3 Class A
76 -* Ultra low power consumption
78 +* Ultra-low power consumption
77 77  * Distance Detection by Ultrasonic technology
78 -* Flat object range 280mm - 7500mm
80 +* Flat object range 30mm - 4500mm
79 79  * Accuracy: ±(1cm+S*0.3%) (S: Distance)
82 +* Measure Angle: 60°
80 80  * Cable Length : 25cm
81 81  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
82 82  * AT Commands to change parameters
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83 83  * Uplink on periodically
84 84  * Downlink to change configure
85 85  * IP66 Waterproof Enclosure
86 -* 4000mAh or 8500mAh Battery for long term use
89 +* 8500mAh Battery for long term use
87 87  
88 88  
89 -
90 90  == 1.3  Specification ==
91 91  
92 92  === 1.3.1  Rated environmental conditions ===
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93 93  
94 94  [[image:image-20220610154839-1.png]]
95 95  
98 +
96 96  (((
97 -**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)**
98 98  )))
99 99  
100 100  
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131 131  * Bottom water level monitoring
132 132  
133 133  
134 -
135 135  == 1.6  Pin mapping and power on ==
136 136  
137 137  
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139 139  
140 140  
141 141  
142 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
146 += 2.  Configure LDDS45 to connect to LoRaWAN network =
143 143  
144 144  == 2.1  How it works ==
145 145  
146 146  (((
147 -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
148 148  )))
149 149  
150 150  (((
151 -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.
152 152  )))
153 153  
154 154  
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157 157  
158 158  (((
159 159  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 +
160 160  )))
161 161  
168 +[[image:1654913911773-521.png]]
169 +
170 +
162 162  (((
163 -[[image:1654848616367-242.png]]
172 +
164 164  )))
165 165  
166 166  (((
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168 168  )))
169 169  
170 170  (((
171 -(% 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.
172 172  )))
173 173  
174 174  (((
175 -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.
176 176  )))
177 177  
178 178  [[image:image-20220607170145-1.jpeg]]
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199 199  
200 200  [[image:image-20220610161353-7.png]]
201 201  
211 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
202 202  
213 +
214 +
203 203  You can also choose to create the device manually.
204 204  
205 205   [[image:image-20220610161538-8.png]]
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212 212  
213 213  
214 214  
215 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
227 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
216 216  
217 217  
218 218  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
219 219  
220 -[[image:image-20220610161724-10.png]]
232 +[[image:image-20220611102908-2.png]]
221 221  
222 222  
223 223  (((
224 -(% 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.
225 225  )))
226 226  
227 227  [[image:1654849068701-275.png]]
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232 232  
233 233  (((
234 234  (((
235 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
236 -)))
247 +LDDS45 will uplink payload via LoRaWAN with below payload format: 
237 237  
238 -(((
239 -Uplink payload includes in total 4 bytes.
240 -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.
241 241  )))
242 242  )))
243 243  
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264 264  === 2.3.1  Battery Info ===
265 265  
266 266  
267 -Check the battery voltage for LDDS75.
276 +Check the battery voltage for LDDS45.
268 268  
269 269  Ex1: 0x0B45 = 2885mV
270 270  
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275 275  === 2.3.2  Distance ===
276 276  
277 277  (((
278 -Get the distance. Flat object range 280mm - 7500mm.
287 +Get the distance. Flat object range 30mm - 4500mm.
279 279  )))
280 280  
281 281  (((
282 -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.**
283 283  )))
284 284  
285 285  
286 286  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
287 -* 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.
288 288  
289 289  
290 -
291 291  === 2.3.3  Interrupt Pin ===
292 292  
293 -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.
294 294  
295 295  **Example:**
296 296  
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310 310  
311 311  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
312 312  
313 -(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
314 314  
315 315  
316 -
317 317  === 2.3.5  Sensor Flag ===
318 318  
319 319  (((
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336 336  The payload decoder function for TTN V3 is here:
337 337  
338 338  (((
339 -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/]]
340 340  )))
341 341  
342 342  
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343 343  
344 344  == 2.4  Uplink Interval ==
345 345  
346 -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"]]
347 347  
348 348  
349 349  
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374 374  
375 375  (% style="color:blue" %)**Step 3**(%%)**: Create an account or log in Datacake.**
376 376  
377 -(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS75 and add DevEUI.**
383 +(% style="color:blue" %)**Step 4**(%%)**: Search the LDDS45 and add DevEUI.**
378 378  
379 379  [[image:1654851029373-510.png]]
380 380  
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864 864  * Blink once when device transmit a packet.
865 865  
866 866  
867 -
868 868  == 2.8  ​Firmware Change Log ==
869 869  
870 870  
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1082 1082  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1083 1083  
1084 1084  
1085 -
1086 1086  = 4.  FAQ =
1087 1087  
1088 1088  == 4.1  What is the frequency plan for LDDS75? ==
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1143 1143  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1144 1144  
1145 1145  
1146 -
1147 1147  = 7. ​ Packing Info =
1148 1148  
1149 1149  
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1159 1159  * Weight / pcs : g
1160 1160  
1161 1161  
1162 -
1163 1163  = 8.  ​Support =
1164 1164  
1165 1165  * 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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