Last modified by Mengting Qiu on 2025/02/26 15:04
<
From version < 158.10 >
edited by Xiaoling
on 2022/06/11 10:41
To version < 154.1 >
edited by Xiaoling
on 2022/06/11 10:00
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Summary

Details

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Content
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3 3  
4 4  **Contents:**
5 5  
6 +{{toc/}}
6 6  
7 7  
8 8  
... ... @@ -20,7 +20,7 @@
20 20  
21 21  (((
22 22  (((
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.
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.
24 24  )))
25 25  
26 26  (((
... ... @@ -36,7 +36,7 @@
36 36  )))
37 37  
38 38  (((
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.
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.
40 40  )))
41 41  
42 42  (((
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44 44  )))
45 45  
46 46  (((
47 -LDDS45 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
48 +LDDS75 is powered by (% style="color:#4472c4" %)** 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
48 48  )))
49 49  
50 50  (((
... ... @@ -52,7 +52,7 @@
52 52  )))
53 53  
54 54  (((
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.
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.
56 56  )))
57 57  
58 58  (((
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61 61  
62 62  (((
63 63  (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors.
64 -
65 -
66 66  )))
67 67  )))
68 68  )))
69 69  
70 -[[image:1654912858581-740.png]]
71 71  
72 72  
73 73  
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75 75  == ​1.2  Features ==
76 76  
77 77  * LoRaWAN 1.0.3 Class A
78 -* Ultra-low power consumption
76 +* Ultra low power consumption
79 79  * Distance Detection by Ultrasonic technology
80 -* Flat object range 30mm - 4500mm
78 +* Flat object range 280mm - 7500mm
81 81  * Accuracy: ±(1cm+S*0.3%) (S: Distance)
82 -* Measure Angle: 60°
83 83  * Cable Length : 25cm
84 84  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
85 85  * AT Commands to change parameters
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86 86  * Uplink on periodically
87 87  * Downlink to change configure
88 88  * IP66 Waterproof Enclosure
89 -* 8500mAh Battery for long term use
86 +* 4000mAh or 8500mAh Battery for long term use
90 90  
91 91  
89 +
92 92  == 1.3  Specification ==
93 93  
94 94  === 1.3.1  Rated environmental conditions ===
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95 95  
96 96  [[image:image-20220610154839-1.png]]
97 97  
98 -
99 99  (((
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 +**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)**
103 103  )))
104 104  
105 105  
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136 136  * Bottom water level monitoring
137 137  
138 138  
134 +
139 139  == 1.6  Pin mapping and power on ==
140 140  
141 141  
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143 143  
144 144  
145 145  
146 -= 2.  Configure LDDS45 to connect to LoRaWAN network =
142 += 2.  Configure LDDS75 to connect to LoRaWAN network =
147 147  
148 148  == 2.1  How it works ==
149 149  
150 150  (((
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
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
152 152  )))
153 153  
154 154  (((
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.
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.
156 156  )))
157 157  
158 158  
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161 161  
162 162  (((
163 163  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 -
166 166  )))
167 167  
168 -[[image:1654913911773-521.png]]
169 -
170 -
171 171  (((
172 -
163 +[[image:1654848616367-242.png]]
173 173  )))
174 174  
175 175  (((
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177 177  )))
178 178  
179 179  (((
180 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
171 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
181 181  )))
182 182  
183 183  (((
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.
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.
185 185  )))
186 186  
187 187  [[image:image-20220607170145-1.jpeg]]
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208 208  
209 209  [[image:image-20220610161353-7.png]]
210 210  
211 -**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
212 212  
213 -
214 -
215 215  You can also choose to create the device manually.
216 216  
217 217   [[image:image-20220610161538-8.png]]
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224 224  
225 225  
226 226  
227 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
215 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
228 228  
229 229  
230 230  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
231 231  
232 -[[image:image-20220611102908-2.png]]
220 +[[image:image-20220610161724-10.png]]
233 233  
234 234  
235 235  (((
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.
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.
237 237  )))
238 238  
239 239  [[image:1654849068701-275.png]]
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244 244  
245 245  (((
246 246  (((
247 -LDDS45 will uplink payload via LoRaWAN with below payload format: 
235 +LDDS75 will uplink payload via LoRaWAN with below payload format: 
236 +)))
248 248  
249 -Uplink payload includes in total 8 bytes.
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
250 250  )))
251 251  )))
252 252  
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273 273  === 2.3.1  Battery Info ===
274 274  
275 275  
276 -Check the battery voltage for LDDS45.
267 +Check the battery voltage for LDDS75.
277 277  
278 278  Ex1: 0x0B45 = 2885mV
279 279  
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284 284  === 2.3.2  Distance ===
285 285  
286 286  (((
287 -Get the distance. Flat object range 30mm - 4500mm.
278 +Get the distance. Flat object range 280mm - 7500mm.
288 288  )))
289 289  
290 290  (((
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.**
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.**
292 292  )))
293 293  
294 294  
295 295  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
296 -* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
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.
297 297  
298 298  
290 +
299 299  === 2.3.3  Interrupt Pin ===
300 300  
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.
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.
302 302  
303 303  **Example:**
304 304  
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318 318  
319 319  If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
320 320  
313 +(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
321 321  
322 322  
316 +
323 323  === 2.3.5  Sensor Flag ===
324 324  
325 325  (((
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870 870  * Blink once when device transmit a packet.
871 871  
872 872  
867 +
873 873  == 2.8  ​Firmware Change Log ==
874 874  
875 875  
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1087 1087  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1088 1088  
1089 1089  
1085 +
1090 1090  = 4.  FAQ =
1091 1091  
1092 1092  == 4.1  What is the frequency plan for LDDS75? ==
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1147 1147  * (% style="color:red" %)**8 **(%%)**:** 8500mAh battery
1148 1148  
1149 1149  
1146 +
1150 1150  = 7. ​ Packing Info =
1151 1151  
1152 1152  
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1162 1162  * Weight / pcs : g
1163 1163  
1164 1164  
1162 +
1165 1165  = 8.  ​Support =
1166 1166  
1167 1167  * 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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