Last modified by Mengting Qiu on 2024/03/07 08:41
<
From version < 123.1 >
edited by Xiaoling
on 2022/06/10 15:50
To version < 134.4 >
edited by Xiaoling
on 2022/06/10 16:43
>
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33 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 34  
35 35  
36 -(% style="color:#4472c4" %) ***** (%%)Actually lifetime depends on network coverage and uplink interval and other factors
36 +(% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors
37 37  )))
38 38  )))
39 39  
... ... @@ -57,31 +57,33 @@
57 57  * IP66 Waterproof Enclosure
58 58  * 4000mAh or 8500mAh Battery for long term use
59 59  
60 +== 1.3  Specification ==
60 60  
61 -== 1.3  Probe Specification ==
62 +=== 1.3.1  Rated environmental conditions ===
62 62  
63 -* Storage temperature ：-20℃~~75℃
64 -* Operating temperature - -20℃~~60℃
65 -* Operating Range - 0.1m~~12m①
66 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
67 -* Distance resolution - 5mm
68 -* Ambient light immunity - 70klux
69 -* Enclosure rating - IP65
70 -* Light source - LED
71 -* Central wavelength - 850nm
72 -* FOV - 3.6°
73 -* Material of enclosure - ABS+PC
74 -* Wire length - 25cm
64 +[[image:image-20220610154839-1.png]]
75 75  
76 -== 1.4  Probe Dimension ==
66 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);**
77 77  
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)**
78 78  
79 -[[image:1654827224480-952.png]]
80 80  
81 81  
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 +
82 82  == 1.5 ​ Applications ==
83 83  
84 84  * Horizontal distance measurement
86 +* Liquid level measurement
85 85  * Parking management system
86 86  * Object proximity and presence detection
87 87  * Intelligent trash can management system
... ... @@ -88,23 +88,24 @@
88 88  * Robot obstacle avoidance
89 89  * Automatic control
90 90  * Sewer
93 +* Bottom water level monitoring
91 91  
92 92  == 1.6  Pin mapping and power on ==
93 93  
94 94  
95 -[[image:1654827332142-133.png]]
98 +[[image:1654847583902-256.png]]
96 96  
97 97  
98 -= 2.  Configure LLDS12 to connect to LoRaWAN network =
101 += 2.  Configure LDDS75 to connect to LoRaWAN network =
99 99  
100 100  == 2.1  How it works ==
101 101  
102 102  (((
103 -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.
106 +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
104 104  )))
105 105  
106 106  (((
107 -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.
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="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
108 108  )))
109 109  
110 110  
... ... @@ -115,7 +115,7 @@
115 115  )))
116 116  
117 117  (((
118 -[[image:1654827857527-556.png]]
121 +[[image:1654848616367-242.png]]
119 119  )))
120 120  
121 121  (((
... ... @@ -123,57 +123,57 @@
123 123  )))
124 124  
125 125  (((
126 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LSPH01.
129 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
127 127  )))
128 128  
129 129  (((
130 -Each LSPH01 is shipped with a sticker with the default device EUI as below:
133 +Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
131 131  )))
132 132  
133 133  [[image:image-20220607170145-1.jpeg]]
134 134  
135 135  
139 +For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI.
136 136  
137 -You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
141 +Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot:
138 138  
143 +**Add APP EUI in the application**
139 139  
140 -**Register the device**
145 +[[image:image-20220610161353-4.png]]
141 141  
147 +[[image:image-20220610161353-5.png]]
142 142  
143 -[[image:1654592600093-601.png]]
149 +[[image:image-20220610161353-6.png]]
144 144  
145 145  
152 +[[image:image-20220610161353-7.png]]
146 146  
147 -**Add APP EUI and DEV EUI**
148 148  
149 -[[image:1654592619856-881.png]]
155 +You can also choose to create the device manually.
150 150  
157 + [[image:image-20220610161538-8.png]]
151 151  
152 152  
153 -**Add APP EUI in the application**
154 154  
155 -[[image:1654592632656-512.png]]
161 +**Add APP KEY and DEV EUI**
156 156  
163 +[[image:image-20220610161538-9.png]]
157 157  
158 158  
159 -**Add APP KEY**
160 160  
161 -[[image:1654592653453-934.png]]
167 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
162 162  
163 163  
164 -(% style="color:blue" %)**Step 2**(%%): Power on LLDS12
165 -
166 -
167 167  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
168 168  
169 -[[image:image-20220607170442-2.png]]
172 +[[image:image-20220610161724-10.png]]
170 170  
171 171  
172 172  (((
173 -(% 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.
176 +(% 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.
174 174  )))
175 175  
176 -[[image:1654833501679-968.png]]
179 +[[image:1654849068701-275.png]]
177 177  
178 178  
179 179  
... ... @@ -180,11 +180,10 @@
180 180  == 2.3  ​Uplink Payload ==
181 181  
182 182  (((
183 -LLDS12 will uplink payload via LoRaWAN with below payload format: 
184 -)))
186 +LDDS75 will uplink payload via LoRaWAN with below payload format: 
185 185  
186 -(((
187 -Uplink payload includes in total 11 bytes.
188 +Uplink payload includes in total 4 bytes.
189 +Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
188 188  )))
189 189  
190 190  (((
... ... @@ -194,23 +194,23 @@
194 194  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
195 195  |=(% style="width: 62.5px;" %)(((
196 196  **Size (bytes)**
197 -)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
198 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(% style="width:62.5px" %)(((
199 -[[Temperature DS18B20>>||anchor="H2.3.2A0DS18B20Temperaturesensor"]]
200 -)))|[[Distance>>||anchor="H2.3.3A0Distance"]]|[[Distance signal strength>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
201 -[[Interrupt flag>>||anchor="H2.3.5A0InterruptPin"]]
202 -)))|[[LiDAR temp>>||anchor="H2.3.6A0LiDARtemp"]]|(((
203 -[[Message Type>>||anchor="H2.3.7A0MessageType"]]
204 -)))
199 +)))|=(% style="width: 62.5px;" %)**2**|=**2**|=1|=2|=**1**
200 +|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1A0BatteryInfo"]]|(((
201 +[[Distance>>||anchor="H2.3.3A0Distance"]]
205 205  
206 -[[image:1654833689380-972.png]]
203 +(unit: mm)
204 +)))|[[Digital Interrupt (Optional)>>||anchor="H2.3.4A0Distancesignalstrength"]]|(((
205 +[[Temperature (Optional )>>||anchor="H2.3.5A0InterruptPin"]]
206 +)))|[[Sensor Flag>>path:#Sensor_Flag]]
207 207  
208 +[[image:1654850511545-399.png]]
208 208  
209 209  
211 +
210 210  === 2.3.1  Battery Info ===
211 211  
212 212  
213 -Check the battery voltage for LLDS12.
215 +Check the battery voltage for LDDS75.
214 214  
215 215  Ex1: 0x0B45 = 2885mV
216 216  
... ... @@ -218,49 +218,22 @@
218 218  
219 219  
220 220  
221 -=== 2.3.2  DS18B20 Temperature sensor ===
223 +=== 2.3.2  Distance ===
222 222  
223 -This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
225 +Get the distance. Flat object range 280mm - 7500mm.
224 224  
227 +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.**
225 225  
226 -**Example**:
227 227  
228 -If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
230 +* If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
231 +* 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.
229 229  
230 -If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
231 231  
232 232  
235 +=== 2.3.3  Interrupt Pin ===
233 233  
234 -=== 2.3.3  Distance ===
235 -
236 -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.
237 -
238 -
239 -**Example**:
240 -
241 -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.
242 -
243 -
244 -
245 -=== 2.3.4  Distance signal strength ===
246 -
247 -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.
248 -
249 -
250 -**Example**:
251 -
252 -If payload is: 01D7(H)=471(D), distance signal strength=471, 471>100,471≠65535, the measured value of Dist is considered credible.
253 -
254 -Customers can judge whether they need to adjust the environment based on the signal strength.
255 -
256 -
257 -
258 -=== 2.3.5  Interrupt Pin ===
259 -
260 260  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.
261 261  
262 -Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.6A0Pinmappingandpoweron"]].
263 -
264 264  **Example:**
265 265  
266 266  0x00: Normal uplink packet.
... ... @@ -268,35 +268,30 @@
268 268  0x01: Interrupt Uplink Packet.
269 269  
270 270  
246 +=== 2.3.4  DS18B20 Temperature sensor ===
271 271  
272 -=== 2.3.6  LiDAR temp ===
248 +This is optional, user can connect external DS18B20 sensor to the +3.3v, 1-wire and GND pin . and this field will report temperature.
273 273  
274 -Characterize the internal temperature value of the sensor.
250 +**Example**:
275 275  
276 -**Example: **
277 -If payload is: 1C(H) <<24>>24=28(D),LiDAR temp=28℃.
278 -If payload is: F2(H) <<24>>24=-14(D),LiDAR temp=-14℃.
252 +If payload is: 0105H:  (0105 & FC00 == 0), temp = 0105H /10 = 26.1 degree
279 279  
254 +If payload is: FF3FH :  (FF3F & FC00 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
280 280  
256 +(% style="color:red" %)Note: DS18B20 feature is supported in the hardware version > v1.3 which made since early of 2021.
281 281  
282 -=== 2.3.7  Message Type ===
283 283  
284 -(((
285 -For a normal uplink payload, the message type is always 0x01.
286 -)))
287 287  
288 -(((
289 -Valid Message Type:
290 -)))
260 +=== 2.3.5  Sensor Flag ===
291 291  
262 +0x01: Detect Ultrasonic Sensor
292 292  
293 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
294 -|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
295 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3A0200BUplinkPayload"]]
296 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H4.3A0GetFirmwareVersionInfo"]]
264 +0x00: No Ultrasonic Sensor
297 297  
298 -=== 2.3.8  Decode payload in The Things Network ===
299 299  
267 +===
268 +(% style="color:inherit; font-family:inherit" %)2.3.6  Decode payload in The Things Network(%%) ===
269 +
300 300  While using TTN network, you can add the payload format to decode the payload.
301 301  
302 302  
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1274 1274  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1275 1275  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1276 1276  
1277 -
1278 1278  = 10. ​ Packing Info =
1279 1279  
1280 1280  
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1289 1289  * Package Size / pcs : cm
1290 1290  * Weight / pcs : g
1291 1291  
1292 -
1293 1293  = 11.  ​Support =
1294 1294  
1295 1295  * 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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