Last modified by Mengting Qiu on 2025/02/26 15:04
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From version < 119.2 >
edited by Xiaoling
on 2022/06/10 15:29
To version < 133.5 >
edited by Xiaoling
on 2022/06/10 16:39
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Summary

Details

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Content
... ... @@ -12,38 +12,33 @@
12 12  
13 13  = 1.  Introduction =
14 14  
15 -== 1.1 ​ What is LoRaWAN LiDAR ToF Distance Sensor ==
15 +== 1.1 ​ What is LoRaWAN Distance Detection Sensor ==
16 16  
17 17  (((
18 18  
19 19  
20 20  (((
21 -The Dragino LLDS12 is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
22 -)))
21 +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 23  
24 -(((
25 -The LLDS12 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
26 -)))
27 27  
28 -(((
29 -It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
30 -)))
24 +It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server.
31 31  
32 -(((
33 -The LoRa wireless technology used in LLDS12 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.
34 -)))
35 35  
36 -(((
37 -LLDS12 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
38 -)))
27 +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 39  
40 -(((
41 -Each LLDS12 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
29 +
30 +LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*.
31 +
32 +
33 +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.
34 +
35 +
36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
42 42  )))
43 43  )))
44 44  
45 45  
46 -[[image:1654826306458-414.png]]
41 +[[image:1654847051249-359.png]]
47 47  
48 48  
49 49  
... ... @@ -50,41 +50,45 @@
50 50  == ​1.2  Features ==
51 51  
52 52  * LoRaWAN 1.0.3 Class A
53 -* Ultra-low power consumption
54 -* Laser technology for distance detection
55 -* Operating Range - 0.1m~~12m①
56 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
57 -* Monitor Battery Level
48 +* Ultra low power consumption
49 +* Distance Detection by Ultrasonic technology
50 +* Flat object range 280mm - 7500mm
51 +* Accuracy: ±(1cm+S*0.3%) (S: Distance)
52 +* Cable Length : 25cm
58 58  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
59 59  * AT Commands to change parameters
60 60  * Uplink on periodically
61 61  * Downlink to change configure
62 -* 8500mAh Battery for long term use
57 +* IP66 Waterproof Enclosure
58 +* 4000mAh or 8500mAh Battery for long term use
63 63  
64 -== 1.3  Probe Specification ==
60 +== 1.3  Specification ==
65 65  
66 -* Storage temperature ：-20℃~~75℃
67 -* Operating temperature - -20℃~~60℃
68 -* Operating Range - 0.1m~~12m①
69 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
70 -* Distance resolution - 5mm
71 -* Ambient light immunity - 70klux
72 -* Enclosure rating - IP65
73 -* Light source - LED
74 -* Central wavelength - 850nm
75 -* FOV - 3.6°
76 -* Material of enclosure - ABS+PC
77 -* Wire length - 25cm
62 +=== 1.3.1  Rated environmental conditions ===
78 78  
79 -== 1.4  Probe Dimension ==
64 +[[image:image-20220610154839-1.png]]
80 80  
66 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
81 81  
82 -[[image:1654827224480-952.png]]
68 +**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)**
83 83  
84 84  
71 +
72 +=== 1.3.2  Effective measurement range Reference beam pattern ===
73 +
74 +**(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.**[[image:image-20220610155021-2.png||height="440" width="1189"]]
75 +
76 +
77 +
78 +**(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.[[image:image-20220610155021-3.png||height="437" width="1192"]]
79 +
80 +(% style="display:none" %) (%%)
81 +
82 +
85 85  == 1.5 ​ Applications ==
86 86  
87 87  * Horizontal distance measurement
86 +* Liquid level measurement
88 88  * Parking management system
89 89  * Object proximity and presence detection
90 90  * Intelligent trash can management system
... ... @@ -91,23 +91,25 @@
91 91  * Robot obstacle avoidance
92 92  * Automatic control
93 93  * Sewer
93 +* Bottom water level monitoring
94 94  
95 +
95 95  == 1.6  Pin mapping and power on ==
96 96  
97 97  
98 -[[image:1654827332142-133.png]]
99 +[[image:1654847583902-256.png]]
99 99  
100 100  
101 -= 2.  Configure LLDS12 to connect to LoRaWAN network =
102 += 2.  Configure LDDS75 to connect to LoRaWAN network =
102 102  
103 103  == 2.1  How it works ==
104 104  
105 105  (((
106 -The LLDS12 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LLDS12. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
107 +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
107 107  )))
108 108  
109 109  (((
110 -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="H6.A0UseATCommand"]]to set the keys in the LLDS12.
111 +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.
111 111  )))
112 112  
113 113  
... ... @@ -118,7 +118,7 @@
118 118  )))
119 119  
120 120  (((
121 -[[image:1654827857527-556.png]]
122 +[[image:1654848616367-242.png]]
122 122  )))
123 123  
124 124  (((
... ... @@ -126,57 +126,57 @@
126 126  )))
127 127  
128 128  (((
129 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
130 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
130 130  )))
131 131  
132 132  (((
133 -Each LSPH01 is shipped with a sticker with the default device EUI as below:
134 +Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
134 134  )))
135 135  
136 136  [[image:image-20220607170145-1.jpeg]]
137 137  
138 138  
140 +For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
139 139  
140 -You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
142 +Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
141 141  
144 +**Add APP EUI in the application**
142 142  
143 -**Register the device**
146 +[[image:image-20220610161353-4.png]]
144 144  
148 +[[image:image-20220610161353-5.png]]
145 145  
146 -[[image:1654592600093-601.png]]
150 +[[image:image-20220610161353-6.png]]
147 147  
148 148  
153 +[[image:image-20220610161353-7.png]]
149 149  
150 -**Add APP EUI and DEV EUI**
151 151  
152 -[[image:1654592619856-881.png]]
156 +You can also choose to create the device manually.
153 153  
158 + [[image:image-20220610161538-8.png]]
154 154  
155 155  
156 -**Add APP EUI in the application**
157 157  
158 -[[image:1654592632656-512.png]]
162 +**Add APP KEY and DEV EUI**
159 159  
164 +[[image:image-20220610161538-9.png]]
160 160  
161 161  
162 -**Add APP KEY**
163 163  
164 -[[image:1654592653453-934.png]]
168 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
165 165  
166 166  
167 -(% style="color:blue" %)**Step 2**(%%): Power on LLDS12
168 -
169 -
170 170  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
171 171  
172 -[[image:image-20220607170442-2.png]]
173 +[[image:image-20220610161724-10.png]]
173 173  
174 174  
175 175  (((
176 -(% style="color:blue" %)**Step 3**(%%)**:** The LLDS12 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.
177 +(% 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.
177 177  )))
178 178  
179 -[[image:1654833501679-968.png]]
180 +[[image:1654849068701-275.png]]
180 180  
181 181  
182 182  
... ... @@ -183,11 +183,10 @@
183 183  == 2.3  ​Uplink Payload ==
184 184  
185 185  (((
186 -LLDS12 will uplink payload via LoRaWAN with below payload format: 
187 -)))
187 +LDDS75 will uplink payload via LoRaWAN with below payload format:
188 188  
189 -(((
190 -Uplink payload includes in total 11 bytes.
189 +Uplink payload includes in total 4 bytes.
190 +Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
191 191  )))
192 192  
193 193  (((
... ... @@ -197,15 +197,15 @@
197 197  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
198 198  |=(% style="width: 62.5px;" %)(((
199 199  **Size (bytes)**
200 -)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
201 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
202 -[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
203 -)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
204 -[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
205 -)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
206 -[[Message Type>>||anchor="H2.3.7A0MessageType"]]
207 -)))
200 +)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
201 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
202 +[[Distance>>||anchor="H2.3.3A0Distance"]]
208 208  
204 +(unit: mm)
205 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
206 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
207 +)))|[[Sensor Flag>>path:#Sensor_Flag]]
208 +
209 209  [[image:1654833689380-972.png]]
210 210  
211 211  
... ... @@ -213,7 +213,7 @@
213 213  === 2.3.1  Battery Info ===
214 214  
215 215  
216 -Check the battery voltage for LLDS12.
216 +Check the battery voltage for LDDS75.
217 217  
218 218  Ex1: 0x0B45 = 2885mV
219 219  
... ... @@ -221,49 +221,23 @@
221 221  
222 222  
223 223  
224 -=== 2.3.2  DS18B20 Temperature sensor ===
224 +=== 2.3.2  Distance ===
225 225  
226 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
226 +Get the distance. Flat object range 280mm - 7500mm.
227 227  
228 +For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is
228 228  
229 -**Example**:
230 +**0B05(H) = 2821 (D) = 2821 mm.**
230 230  
231 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
232 232  
233 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
233 +* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
234 +* 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.
234 234  
235 235  
237 +=== 2.3.3  Interrupt Pin ===
236 236  
237 -=== 2.3.3  Distance ===
238 -
239 -Represents the distance value of the measurement output, the default unit is cm, and the value range parsed as a decimal number is 0-1200. In actual use, when the signal strength value Strength.
240 -
241 -
242 -**Example**:
243 -
244 -If the data you get from the register is 0x0B 0xEA, the distance between the sensor and the measured object is 0BEA(H) = 3050 (D)/10 = 305cm.
245 -
246 -
247 -
248 -=== 2.3.4  Distance signal strength ===
249 -
250 -Refers to the signal strength, the default output value will be between 0-65535. When the distance measurement gear is fixed, the farther the distance measurement is, the lower the signal strength; the lower the target reflectivity, the lower the signal strength. When Strength is greater than 100 and not equal to 65535, the measured value of Dist is considered credible.
251 -
252 -
253 -**Example**:
254 -
255 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
256 -
257 -Customers can judge whether they need to adjust the environment based on the signal strength.
258 -
259 -
260 -
261 -=== 2.3.5  Interrupt Pin ===
262 -
263 263  This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.2A0SetInterruptMode"]] for the hardware and software set up.
264 264  
265 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
266 -
267 267  **Example:**
268 268  
269 269  0x00: Normal uplink packet.
... ... @@ -271,35 +271,28 @@
271 271  0x01: Interrupt Uplink Packet.
272 272  
273 273  
248 +=== 2.3.4  DS18B20 Temperature sensor ===
274 274  
275 -=== 2.3.6  LiDAR temp ===
250 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
276 276  
277 -Characterize the internal temperature value of the sensor.
252 +**Example**:
278 278  
279 -**Example: **
280 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
281 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
254 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
282 282  
256 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
283 283  
258 +Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
284 284  
285 -=== 2.3.7  Message Type ===
260 +=== 2.3.5  Sensor Flag ===
286 286  
287 -(((
288 -For a normal uplink payload, the message type is always 0x01.
289 -)))
262 +0x01: Detect Ultrasonic Sensor
290 290  
291 -(((
292 -Valid Message Type:
293 -)))
264 +0x00: No Ultrasonic Sensor
294 294  
295 295  
296 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
297 -|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
298 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
299 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
267 +===
268 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
300 300  
301 -=== 2.3.8  Decode payload in The Things Network ===
302 -
303 303  While using TTN network, you can add the payload format to decode the payload.
304 304  
305 305  
... ... @@ -802,7 +802,6 @@
802 802  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
803 803  * Blink once when device transmit a packet.
804 804  
805 -
806 806  == 2.8  ​Firmware Change Log ==
807 807  
808 808  
... ... @@ -1278,8 +1278,6 @@
1278 1278  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1279 1279  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1280 1280  
1281 -
1282 -
1283 1283  = 10. ​ Packing Info =
1284 1284  
1285 1285  
... ... @@ -1294,8 +1294,6 @@
1294 1294  * Package Size / pcs : cm
1295 1295  * Weight / pcs : g
1296 1296  
1297 -
1298 -
1299 1299  = 11.  ​Support =
1300 1300  
1301 1301  * 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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