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Last modified by Xiaoling on 2025/07/10 16:21
From version 26.3
edited by Xiaoling
on 2023/01/31 13:50
Change comment: There is no comment for this version
To version 9.1
edited by Xiaoling
on 2023/01/30 17:38
Change comment: Uploaded new attachment "1675071521308-426.png", version {1}

Summary

Details

Page properties
Content
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1 -[[image:image-20230131115217-1.png]]
1 +[[image:image-20230130161957-1.jpeg||height="493" width="493"]] [[image:image-20230130162222-3.png||height="495" width="477"]]​​​​​​​
2 2  
3 3  
4 4  
5 +
5 5  **Table of Contents：**
6 6  
7 7  
9 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
8 8  
9 9  
10 10  
... ... @@ -18,30 +18,36 @@
18 18  
19 19  
20 20  
21 -= 1. Introduction =
22 22  
23 -== 1.1 What is LoRaWAN Pressure Sensor ==
24 +1. Introduction
25 +11. ​What is LoRaWAN Pressure Sensor
24 24  
25 -
26 26  The Dragino PS-LB series sensors are **LoRaWAN Pressure Sensor** for Internet of Things solution. PS-LB can measure Air, Water pressure and liquid level and upload the sensor data via wireless to LoRaWAN IoT server.
27 27  
29 +
28 28  The PS-LB series sensors include **Thread Installation Type** and **Immersion Type**, it supports different pressure range which can be used for different measurement requirement.
29 29  
32 +
30 30  The LoRa wireless technology used in PS-LB 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.
31 31  
35 +
32 32  PS-LB supports BLE configure and wireless OTA update which make user easy to use.
33 33  
38 +
34 34  PS-LB is powered by **8500mAh Li-SOCI2 battery**, it is designed for long term use up to 5 years.
35 35  
41 +
36 36  Each PS-LB 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.
37 37  
38 -[[image:1675071321348-194.png]]
39 39  
45 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
40 40  
41 41  
42 -== 1.2 ​Features ==
43 43  
44 44  
50 +
51 +*
52 +*1. ​Features
45 45  * LoRaWAN 1.0.3 Class A
46 46  * Ultra-low power consumption
47 47  * Measure air / gas or water pressure
... ... @@ -56,9 +56,9 @@
56 56  * 8500mAh Battery for long term use
57 57  
58 58  
59 -== 1.3 Specification ==
67 +1.
68 +11. Specification
60 60  
61 -
62 62  **Micro Controller:**
63 63  
64 64  * MCU: 48Mhz ARM
... ... @@ -77,6 +77,7 @@
77 77  * RX sensitivity: down to -139 dBm.
78 78  * Excellent blocking immunity
79 79  
88 +
80 80  **Current Input Measuring :**
81 81  
82 82  * Range: 0 ~~ 20mA
... ... @@ -83,6 +83,7 @@
83 83  * Accuracy: 0.02mA
84 84  * Resolution: 0.001mA
85 85  
95 +
86 86  **Voltage Input Measuring:**
87 87  
88 88  * Range: 0 ~~ 30v
... ... @@ -89,6 +89,7 @@
89 89  * Accuracy: 0.02v
90 90  * Resolution: 0.001v
91 91  
102 +
92 92  **Battery:**
93 93  
94 94  * Li/SOCI2 un-chargeable battery
... ... @@ -97,6 +97,7 @@
97 97  * Max continuously current: 130mA
98 98  * Max boost current: 2A, 1 second
99 99  
111 +
100 100  **Power Consumption**
101 101  
102 102  * Sleep Mode: 5uA @ 3.3v
... ... @@ -103,51 +103,56 @@
103 103  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
104 104  
105 105  
106 -== 1.4 Probe Types ==
107 107  
108 -=== 1.4.1 Thread Installation Type ===
109 109  
120 +1.
121 +11. Probe Types
122 +111. Thread Installation Type
110 110  
111 -[[image:1675071448299-229.png]]
112 112  
113 -* Hersman Pressure Transmitter
114 -* Measuring Range: -0.1 ~~ 0 ~~ 60MPa, see order info.
115 -* Accuracy: 0.2% F.S
116 -* Long-Term Stability: 0.2% F.S ±0.05%
117 -* Overload 200% F.S
118 -* Zero Temperature Drift: 0.03% FS/℃(≤100Kpa), 0.02%FS/℃(＞100Kpa)
119 -* FS Temperature Drift: 0.003% FS/℃(≤100Kpa), 0.002%FS/℃(＞100Kpa)
120 -* Storage temperature: -30℃~~80℃
121 -* Operating temperature: -20℃~~60℃
122 -* Connector Type: Various Types, see order info
125 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
123 123  
124 124  
125 -=== 1.4.2 Immersion Type ===
128 +* **Hersman Pressure Transmitter**
129 +* **Measuring Range: -0.1 ~~ 0 ~~ 60MPa, see order info.**
130 +* **Accuracy: 0.2% F.S**
131 +* **Long-Term Stability: 0.2% F.S ±0.05%**
132 +* **Overload 200% F.S**
133 +* **Zero Temperature Drift: 0.03% FS/℃(≤100Kpa), 0.02%FS/℃(＞100Kpa)**
134 +* **FS Temperature Drift: 0.003% FS/℃(≤100Kpa), 0.002%FS/℃(＞100Kpa)**
135 +* **Storage temperature: -30℃~~80℃**
136 +* **Operating temperature: -20℃~~60℃**
137 +* **Connector Type: Various Types, see order info**
126 126  
127 127  
128 -[[image:1675071521308-426.png]]
140 +1.
141 +11.
142 +111. Immersion Type
129 129  
130 -* Immersion Type, Probe IP Level: IP68
131 -* Measuring Range: Measure range can be customized, up to 100m.
132 -* Accuracy: 0.2% F.S
133 -* Long-Term Stability: ±0.2% F.S / Year
134 -* Overload 200% F.S
135 -* Zero Temperature Drift: ±2% F.S)
136 -* FS Temperature Drift: ±2% F.S
137 -* Storage temperature: -30℃~~80℃
138 -* Operating temperature: -40℃~~85℃
139 -* Material: 316 stainless steels
144 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
140 140  
141 141  
142 -== 1.5 Probe Dimension ==
147 +* **Immersion Type, Probe IP Level: IP68**
148 +* **Measuring Range: Measure range can be customized, up to 100m.**
149 +* **Accuracy: 0.2% F.S**
150 +* **Long-Term Stability: ±0.2% F.S / Year**
151 +* **Overload 200% F.S**
152 +* **Zero Temperature Drift: ±2% F.S)**
153 +* **FS Temperature Drift: ±2% F.S**
154 +* **Storage temperature: -30℃~~80℃**
155 +* **Operating temperature: -40℃~~85℃**
156 +* **Material: 316 stainless steels**
143 143  
144 144  
159 +1.
160 +11. Probe Dimension
145 145  
146 146  
147 -== 1.6 Application and Installation ==
148 148  
149 -=== 1.6.1 Thread Installation Type ===
150 150  
165 +1.
166 +11. Application and Installation
167 +111. Thread Installation Type
151 151  
152 152  **Application:**
153 153  
... ... @@ -159,52 +159,62 @@
159 159  * Constant Pressure Water Supply
160 160  * Liquid Pressure measuring
161 161  
179 +
180 +
162 162  Order the suitable thread size and install to measure the air / liquid pressure
163 163  
164 -[[image:1675071670469-145.png]]
183 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
165 165  
166 166  
167 -=== 1.6.2 Immersion Type ===
168 168  
187 +1.
188 +11.
189 +111. Immersion Type
169 169  
170 170  **Application:**
171 171  
172 172  Liquid & Water Pressure / Level detect.
173 173  
174 -[[image:1675071725288-579.png]]
195 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
175 175  
176 176  
177 177  The Immersion Type pressure sensor is shipped with the probe and device separately. When user got the device, below is the wiring to for connect the probe to the device.
178 178  
179 179  
180 -[[image:1675071736646-450.png]]
201 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
181 181  
182 182  
183 -[[image:1675071776102-240.png]]
184 184  
205 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
185 185  
186 -== 1.7 Sleep mode and working mode ==
187 187  
188 188  
189 -**Deep Sleep Mode: **Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
209 +1.
210 +11. Sleep mode and working mode
190 190  
191 -**Working Mode:** In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
192 192  
213 +**Deep Sleep Mode: Sensor doesn’t have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.**
193 193  
194 -== 1.8 Button & LEDs ==
195 195  
216 +**Working Mode: In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.**
196 196  
197 -[[image:1675071855856-879.png]]
198 198  
199 199  
200 -(% border="1" cellspacing="4" style="background-color:#ffffcc; color:black; width:510px" %)
201 -|(% style="width:138px" %)**Behavior on ACT**|(% style="width:100px" %)**Function**|**Action**
202 -|(% style="width:138px" %)Pressing ACT between 1s < time < 3s|(% style="width:100px" %)Send an uplink|(((
220 +
221 +1.
222 +11. Button & LEDs
223 +
224 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
225 +
226 +
227 +
228 +|**Behavior on ACT**|**Function**|**Action**
229 +|Pressing ACT between 1s < time < 3s|Send an uplink|(((
203 203  If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, **blue led** will blink once.
204 204  
205 205  Meanwhile, BLE module will be active and user can connect via BLE to configure device.
206 206  )))
207 -|(% style="width:138px" %)Pressing ACT for more than 3s|(% style="width:100px" %)Active Device|(((
234 +|Pressing ACT for more than 3s|Active Device|(((
208 208  **Green led** will fast blink 5 times, device will enter **OTA mode** for 3 seconds. And then start to JOIN LoRaWAN network.
209 209  
210 210  **Green led** will solidly turn on for 5 seconds after joined in network.
... ... @@ -211,19 +211,22 @@
211 211  
212 212  Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
213 213  )))
214 -|(% style="width:138px" %)Fast press ACT 5 times.|(% style="width:100px" %)Deactivate Device|red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
241 +|Fast press ACT 5 times.|Deactivate Device|red led will solid on for 5 seconds. Means PS-LB is in Deep Sleep Mode.
215 215  
216 216  
217 217  
218 -== 1.9 Pin Mapping ==
219 219  
220 220  
221 -[[image:1675072568006-274.png]]
247 +1.
248 +11. Pin Mapping
222 222  
250 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
223 223  
224 -== 1.10 BLE connection ==
225 225  
226 226  
254 +1.
255 +11. BLE connection
256 +
227 227  PS-LB support BLE remote configure.
228 228  
229 229  
... ... @@ -236,36 +236,33 @@
236 236  If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
237 237  
238 238  
239 -== 1.11 Mechanical ==
240 240  
241 241  
271 +1.
272 +11. Mechanical
242 242  
274 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
243 243  
244 -[[image:1675143884058-338.png]]
276 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
245 245  
278 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]]
246 246  
247 -[[image:1675143899218-599.png]]
248 248  
249 249  
250 -[[image:1675143909447-639.png]]
251 251  
283 +1. Configure PS-LB to connect to LoRaWAN network
284 +11. How it works
252 252  
253 -= 2. Configure PS-LB to connect to LoRaWAN network =
254 -
255 -== 2.1 How it works ==
256 -
257 -
258 258  The PS-LB 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 activate the PS-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
259 259  
260 260  
289 +1.
290 +11. ​Quick guide to connect to LoRaWAN server (OTAA)
261 261  
262 -== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
263 -
264 -
265 265  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 [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
266 266  
267 267  
268 -[[image:1675144005218-297.png]]
295 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
269 269  
270 270  
271 271  The LPS8V2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
... ... @@ -275,50 +275,59 @@
275 275  
276 276  Each PS-LB is shipped with a sticker with the default device EUI as below:
277 277  
278 -[[image:image-20230131134744-2.jpeg]]
279 279  
306 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
280 280  
281 281  
309 +
310 +
311 +
282 282  You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
283 283  
284 284  
285 285  **Register the device**
286 286  
287 -[[image:1675144099263-405.png]]
317 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]]
288 288  
289 289  
290 290  **Add APP EUI and DEV EUI**
291 291  
292 -[[image:1675144117571-832.png]]
293 293  
323 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
294 294  
325 +
295 295  **Add APP EUI in the application**
296 296  
297 297  
298 -[[image:1675144143021-195.png]]
329 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
299 299  
300 300  
301 301  **Add APP KEY**
302 302  
303 -[[image:1675144157838-392.png]]
334 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
304 304  
336 +
305 305  **Step 2**: Activate on PS-LB
306 306  
307 307  
308 308  Press the button for 5 seconds to activate the PS-LB.
309 309  
342 +
310 310  **Green led** will fast blink 5 times, device will enter **OTA mode** for 3 seconds. And then start to JOIN LoRaWAN network. **Green led** will solidly turn on for 5 seconds after joined in network.
311 311  
345 +
312 312  After join success, it will start to upload messages to TTN and you can see the messages in the panel.
313 313  
314 314  
349 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
315 315  
316 316  
317 317  
318 318  
319 -1.
354 +1.
320 320  11. ​Uplink Payload
321 321  
357 +
322 322  Uplink payloads have two types:
323 323  
324 324  * Distance Value: Use FPORT=2
... ... @@ -342,6 +342,7 @@
342 342  |**Size (bytes)**|**1**|**2**|**1**|**1**|**2**
343 343  |**Value**|Sensor Model|Firmware Version|Frequency Band|Sub-band|BAT
344 344  
381 +
345 345  Example parse in TTNv3
346 346  
347 347  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
... ... @@ -406,6 +406,8 @@
406 406  11.
407 407  111. Sensor value, FPORT=2
408 408  
446 +
447 +
409 409  Uplink payload includes in total 9 bytes.
410 410  
411 411  
... ... @@ -420,11 +420,13 @@
420 420  
421 421  
422 422  
462 +
463 +
423 423  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
424 424  
425 425  
426 426  
427 -1.
468 +1.
428 428  11.
429 429  111. Battery Info
430 430  
... ... @@ -439,7 +439,7 @@
439 439  11.
440 440  111. Probe Model
441 441  
442 -PS-LB has different kind of probe, 0~~20mA represent the full scale of the measuring range. So a 15mA output means different meaning for different probe. 
483 +PS-LB has different kind of probe, 0~~20mA represent the full scale of the measuring range. So a 15mA output means different meaning for different probe.
443 443  
444 444  
445 445  For example.
... ... @@ -448,6 +448,7 @@
448 448  |PS-LB-I3|immersion type with 3 meters cable|0~~3 meters|1.5 meters pure water
449 449  |PS-LB-I5|immersion type with 5 meters cable|0~~5 meters|2.5 meters pure water
450 450  
492 +
451 451  The probe model field provides the convenient for server to identical how it should parse the 0~~20mA sensor value and get the correct value.
452 452  
453 453  
... ... @@ -455,6 +455,7 @@
455 455  11.
456 456  111. 0~~20mA value (IDC_IN)
457 457  
500 +
458 458  The output value from Pressure Probe, use together with Probe Model to get the pressure value or water level.
459 459  
460 460  
... ... @@ -467,6 +467,7 @@
467 467  11.
468 468  111. 0~~30V value ( pin VDC_IN)
469 469  
513 +
470 470  Measure the voltage value. The range is 0 to 30V.
471 471  
472 472  
... ... @@ -479,6 +479,8 @@
479 479  11.
480 480  111. IN1&IN2&INT pin
481 481  
526 +
527 +
482 482  IN1 and IN2 are used as digital input pins.
483 483  
484 484  **Example**:
... ... @@ -590,7 +590,7 @@
590 590  
591 591  
592 592  
593 -1.
639 +1.
594 594  11. Frequency Plans
595 595  
596 596  The PS-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
... ... @@ -660,6 +660,7 @@
660 660  Set transmit interval to 60000ms = 60 seconds
661 661  )))
662 662  
709 +
663 663  **Downlink Command: 0x01**
664 664  
665 665  Format: Command Code (0x01) followed by 3 bytes time value.
... ... @@ -670,6 +670,8 @@
670 670  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
671 671  
672 672  
720 +
721 +
673 673  1.
674 674  11. Set Interrupt Mode
675 675  
... ... @@ -694,6 +694,7 @@
694 694  1. (Trigger by rising edge)
695 695  )))|OK
696 696  
746 +
697 697  **Downlink Command: 0x06**
698 698  
699 699  Format: Command Code (0x06) followed by 3 bytes.
... ... @@ -703,6 +703,7 @@
703 703  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
704 704  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
705 705  
756 +
706 706  1.
707 707  11. Set the output time
708 708  
... ... @@ -732,6 +732,7 @@
732 732  
733 733  )))
734 734  
786 +
735 735  **AT Command: AT+5VT**
736 736  
737 737  |**Command Example**|**Function**|**Response**
... ... @@ -756,6 +756,7 @@
756 756  
757 757  )))
758 758  
811 +
759 759  **AT Command: AT+12VT**
760 760  
761 761  |**Command Example**|**Function**|**Response**
... ... @@ -771,6 +771,7 @@
771 771  
772 772  )))
773 773  
827 +
774 774  **Downlink Command: 0x07**
775 775  
776 776  Format: Command Code (0x07) followed by 3 bytes.
... ... @@ -784,6 +784,7 @@
784 784  * Example 5: Downlink Payload: 070301F4  -> AT+12VT=500
785 785  * Example 6: Downlink Payload: 07030000  -> AT+12VT=0
786 786  
841 +
787 787  1.
788 788  11. Set the Probe Model
789 789  
... ... @@ -807,6 +807,7 @@
807 807  
808 808  )))
809 809  
865 +
810 810  **Downlink Command: 0x08**
811 811  
812 812  Format: Command Code (0x08) followed by 2 bytes.
... ... @@ -816,6 +816,8 @@
816 816  
817 817  
818 818  
875 +
876 +
819 819  1. Battery & how to replace
820 820  11. Battery Type
821 821  
... ... @@ -844,6 +844,7 @@
844 844  1.
845 845  11. Power Consumption Analyze
846 846  
905 +
847 847  Dragino Battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
848 848  
849 849  
... ... @@ -872,6 +872,8 @@
872 872  * [[Lithium-Thionyl Chloride Battery>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet-EN.pdf]] datasheet, [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/ER18505_datasheet_PM-ER18505-S-02-LF_EN.pdf]]
873 873  * [[Lithium-ion Battery-Capacitor datasheet>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC_1520_datasheet.jpg]], [[Tech Spec>>url:http://www.dragino.com/downloads/downloads/datasheet/Battery/SPC1520%20Technical%20Specification20171123.pdf]]
874 874  
934 +
935 +
875 875  |(((
876 876  JST-XH-2P connector
877 877  )))
... ... @@ -880,7 +880,7 @@
880 880  
881 881  
882 882  
883 -1.
944 +1.
884 884  11.
885 885  111. ​Battery Note
886 886  
... ... @@ -904,6 +904,7 @@
904 904  1. Remote Configure device
905 905  11. Connect via BLE
906 906  
968 +
907 907  Please see this instruction for how to configure via BLE:
908 908  
909 909  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]
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912 912  1.
913 913  11. AT Command Set
914 914  
977 +
978 +
915 915  1. OTA firmware update
916 916  
917 917  Please see this link for how to do OTA firmware update.
... ... @@ -939,6 +939,7 @@
939 939  1.
940 940  11. How to change the LoRa Frequency Bands/Region
941 941  
1006 +
942 942  You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].
943 943  When downloading the images, choose the required image file for download. ​
944 944  
... ... @@ -960,6 +960,7 @@
960 960  
961 961  * PS-LB LoRaWAN Pressure Sensor
962 962  
1028 +
963 963  **Dimension and weight**:
964 964  
965 965  * Device Size: cm
... ... @@ -969,6 +969,8 @@
969 969  
970 970  
971 971  
1038 +
1039 +
972 972  1. ​Support
973 973  
974 974  * 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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