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Last modified by Xiaoling on 2025/07/10 16:21
From version 37.2
edited by Xiaoling
on 2023/01/31 14:05
Change comment: There is no comment for this version
To version 14.5
edited by Xiaoling
on 2023/01/30 17:55
Change comment: There is no comment for this version

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  
... ... @@ -18,8 +18,9 @@
18 18  
19 19  
20 20  
21 -= 1. Introduction =
22 22  
24 += 1. Introduction =
25 +
23 23  == 1.1 What is LoRaWAN Pressure Sensor ==
24 24  
25 25  
... ... @@ -56,6 +56,7 @@
56 56  * 8500mAh Battery for long term use
57 57  
58 58  
62 +
59 59  == 1.3 Specification ==
60 60  
61 61  
... ... @@ -103,11 +103,14 @@
103 103  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
104 104  
105 105  
110 +
106 106  == 1.4 Probe Types ==
107 107  
113 +
108 108  === 1.4.1 Thread Installation Type ===
109 109  
110 110  
117 +
111 111  [[image:1675071448299-229.png]]
112 112  
113 113  * Hersman Pressure Transmitter
... ... @@ -122,9 +122,11 @@
122 122  * Connector Type: Various Types, see order info
123 123  
124 124  
132 +
125 125  === 1.4.2 Immersion Type ===
126 126  
127 127  
136 +
128 128  [[image:1675071521308-426.png]]
129 129  
130 130  * Immersion Type, Probe IP Level: IP68
... ... @@ -139,6 +139,7 @@
139 139  * Material: 316 stainless steels
140 140  
141 141  
151 +
142 142  == 1.5 Probe Dimension ==
143 143  
144 144  
... ... @@ -159,6 +159,7 @@
159 159  * Constant Pressure Water Supply
160 160  * Liquid Pressure measuring
161 161  
172 +
162 162  Order the suitable thread size and install to measure the air / liquid pressure
163 163  
164 164  [[image:1675071670469-145.png]]
... ... @@ -197,14 +197,13 @@
197 197  [[image:1675071855856-879.png]]
198 198  
199 199  
200 -(% border="1" cellspacing="4" style="background-color:#f7faff; 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|(((
211 +|**Behavior on ACT**|**Function**|**Action**
212 +|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|(((
217 +|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.
... ... @@ -211,18 +211,20 @@
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.
224 +|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  
229 +1.
230 +11. Pin Mapping
220 220  
221 -[[image:1675072568006-274.png]]
232 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
222 222  
223 223  
224 -== 1.10 BLE connection ==
225 225  
236 +1.
237 +11. BLE connection
226 226  
227 227  PS-LB support BLE remote configure.
228 228  
... ... @@ -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  
253 +1.
254 +11. Mechanical
242 242  
256 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
243 243  
244 -[[image:1675143884058-338.png]]
258 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
245 245  
260 +[[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  
265 +1. Configure PS-LB to connect to LoRaWAN network
266 +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  
271 +1.
272 +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]]
277 +[[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.
... ... @@ -275,47 +275,58 @@
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  
288 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
280 280  
281 281  
291 +
292 +
293 +
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]]
299 +[[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  
305 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
294 294  
307 +
295 295  **Add APP EUI in the application**
296 296  
297 297  
298 -[[image:1675144143021-195.png]]
311 +[[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]]
316 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
304 304  
318 +
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  
324 +
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  
327 +
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  
331 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
315 315  
316 -== 2.3 ​Uplink Payload ==
317 317  
318 318  
335 +
336 +1.
337 +11. ​Uplink Payload
338 +
319 319  Uplink payloads have two types:
320 320  
321 321  * Distance Value: Use FPORT=2
... ... @@ -324,24 +324,27 @@
324 324  The application server should parse the correct value based on FPORT settings.
325 325  
326 326  
327 -=== 2.3.1 Device Status, FPORT~=5 ===
328 328  
348 +1.
349 +11.
350 +111. Device Status, FPORT=5
329 329  
330 330  Include device configure status. Once PS-LB Joined the network, it will uplink this message to the server.
331 331  
354 +
332 332  Users can also use the downlink command(0x26 01) to ask PS-LB to resend this uplink.
333 333  
334 334  
335 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
336 336  |(% colspan="6" %)**Device Status (FPORT=5)**
337 -|(% style="width:103px" %)**Size (bytes)**|(% style="width:72px" %)**1**|**2**|**1**|**1**|**2**
338 -|(% style="width:103px" %)**Value**|(% style="width:72px" %)Sensor Model|Firmware Version|Frequency Band|Sub-band|BAT
359 +|**Size (bytes)**|**1**|**2**|**1**|**1**|**2**
360 +|**Value**|Sensor Model|Firmware Version|Frequency Band|Sub-band|BAT
339 339  
340 340  Example parse in TTNv3
341 341  
342 -[[image:1675144504430-490.png]]
364 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image021.png]]
343 343  
344 344  
367 +
345 345  **Sensor Model**: For PS-LB, this value is 0x16
346 346  
347 347  **Firmware Version**: 0x0100, Means: v1.0.0 version
... ... @@ -395,25 +395,35 @@
395 395  Ex2: 0x0B49 = 2889mV
396 396  
397 397  
398 -=== 1.3.2 Sensor value, FPORT~=2 ===
399 399  
422 +1.
423 +11.
424 +111. Sensor value, FPORT=2
400 400  
426 +
401 401  Uplink payload includes in total 9 bytes.
402 402  
403 403  
404 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
405 -|(% style="width:97px" %)(((
406 -**Size(bytes)**
407 -)))|(% style="width:48px" %)**2**|(% style="width:58px" %)**2**|**2**|**2**|**1**
408 -|(% style="width:97px" %)**Value**|(% style="width:48px" %)[[BAT>>path:#bat]]|(% style="width:58px" %)[[Probe Model>>path:#Probe_Model]]|0 ~~ 20mA value|[[0 ~~~~ 30v value>>path:#Voltage_30v]]|[[IN1 &IN2 Interrupt  flag>>path:#Int_pin]]
430 +|(((
431 +**Size**
409 409  
410 -[[image:1675144608950-310.png]]
433 +**(bytes)**
434 +)))|**2**|**2**|**2**|**2**|**1**
435 +|**Value**|[[BAT>>path:#bat]]|[[Probe Model>>path:#Probe_Model]]|0 ~~ 20mA value|[[0 ~~~~ 30v value>>path:#Voltage_30v]]|[[IN1 &IN2 Interrupt  flag>>path:#Int_pin]]
411 411  
412 412  
413 413  
414 -=== 2.3.3 Battery Info ===
415 415  
416 416  
441 +
442 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
443 +
444 +
445 +
446 +1.
447 +11.
448 +111. Battery Info
449 +
417 417  Check the battery voltage for PS-LB.
418 418  
419 419  Ex1: 0x0B45 = 2885mV
... ... @@ -421,43 +421,49 @@
421 421  Ex2: 0x0B49 = 2889mV
422 422  
423 423  
424 -=== 2.3.4 Probe Model ===
457 +1.
458 +11.
459 +111. Probe Model
425 425  
426 -
427 427  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. 
428 428  
429 429  
430 430  For example.
431 431  
432 -(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
433 -|(% style="width:111px" %)**Part Number**|(% style="width:158px" %)**Probe Used**|**0~~20mA scale**|**Example: 10mA meaning**
434 -|(% style="width:111px" %)PS-LB-I3|(% style="width:158px" %)immersion type with 3 meters cable|0~~3 meters|1.5 meters pure water
435 -|(% style="width:111px" %)PS-LB-I5|(% style="width:158px" %)immersion type with 5 meters cable|0~~5 meters|2.5 meters pure water
466 +|**Part Number**|**Probe Used**|**0~~20mA scale**|**Example: 10mA meaning**
467 +|PS-LB-I3|immersion type with 3 meters cable|0~~3 meters|1.5 meters pure water
468 +|PS-LB-I5|immersion type with 5 meters cable|0~~5 meters|2.5 meters pure water
436 436  
437 437  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.
438 438  
439 439  
440 -=== 2.3.5 0~~20mA value (IDC_IN) ===
473 +1.
474 +11.
475 +111. 0~~20mA value (IDC_IN)
441 441  
442 -
443 443  The output value from Pressure Probe, use together with Probe Model to get the pressure value or water level.
444 444  
479 +
445 445  **Example**:
446 446  
447 447  27AE(H) = 10158 (D)/1000 = 10.158mA.
448 448  
449 449  
450 -=== 2.3.6 0~~30V value ( pin VDC_IN) ===
485 +1.
486 +11.
487 +111. 0~~30V value ( pin VDC_IN)
451 451  
452 -
453 453  Measure the voltage value. The range is 0 to 30V.
454 454  
491 +
455 455  **Example**:
456 456  
457 457  138E(H) = 5006(D)/1000= 5.006V
458 458  
459 459  
460 -=== 2.3.7 IN1&IN2&INT pin ===
497 +1.
498 +11.
499 +111. IN1&IN2&INT pin
461 461  
462 462  
463 463  IN1 and IN2 are used as digital input pins.
... ... @@ -469,8 +469,10 @@
469 469  09 (H) :(0x09&0x04)>>2=0    IN2 pin is low level.
470 470  
471 471  
511 +
472 472  This data field shows if this packet is generated by **Interrupt Pin** or not. [[Click here>>path:#Int_mod]] for the hardware and software set up. Note: The Internet Pin is a separate pin in the screw terminal.
473 473  
514 +
474 474  **Example:**
475 475  
476 476  09 (H) : (0x09&0x02)>>1=1    The level of the interrupt pin.
... ... @@ -480,84 +480,107 @@
480 480  0x01: Interrupt Uplink Packet.
481 481  
482 482  
483 -=== 2.3.8 ​Decode payload in The Things Network ===
484 484  
485 485  
486 -While using TTN network, you can add the payload format to decode the payload.
487 487  
488 488  
489 -[[image:1675144839454-913.png]]
490 490  
529 +1.
530 +11.
531 +111. ​Decode payload in The Things Network
491 491  
492 -PS-LB TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
533 +While using TTN network, you can add the payload format to decode the payload.
493 493  
494 494  
495 -== 2.4 Uplink Interval ==
536 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image022.png]]
496 496  
538 +PS-LB TTN Payload Decoder:
497 497  
540 +[[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
541 +
542 +
543 +1.
544 +11. Uplink Interval
545 +
498 498  The PS-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
499 499  
500 500  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval]]
501 501  
502 502  
503 -== 2.5 Show Data in DataCake IoT Server ==
504 504  
552 +1.
553 +11. ​Show Data in DataCake IoT Server
505 505  
506 506  [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
507 507  
508 508  
509 -**Step 1: **Be sure that your device is programmed and properly connected to the network at this time.
558 +**Step 1**: Be sure that your device is programmed and properly connected to the network at this time.
510 510  
511 -**Step 2:** To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:
560 +**Step 2**: To configure the Application to forward data to DATACAKE you will need to add integration. To add the DATACAKE integration, perform the following steps:
512 512  
513 513  
514 -[[image:1675144951092-237.png]]
563 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image023.png]]
515 515  
516 516  
517 -[[image:1675144960452-126.png]]
566 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]]
518 518  
519 519  
520 -**Step 3:** Create an account or log in Datacake.
569 +Step 3: Create an account or log in Datacake.
521 521  
522 -**Step 4:** Create PS-LB product.
571 +Step 4: Create PS-LB product.
523 523  
524 -[[image:1675145004465-869.png]]
573 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image025.png]]
525 525  
526 526  
527 -[[image:1675145018212-853.png]]
528 528  
577 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
529 529  
530 530  
580 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]]
531 531  
532 -[[image:1675145029119-717.png]]
533 533  
583 +Step 5: add payload decode
534 534  
535 -**Step 5: **add payload decode
536 536  
537 -[[image:1675145051360-659.png]]
586 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image028.png]]
538 538  
588 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image029.png]]
539 539  
540 -[[image:1675145060812-420.png]]
541 541  
542 542  
543 -
544 544  After added, the sensor data arrive TTN, it will also arrive and show in Datacake.
545 545  
546 546  
547 -[[image:1675145081239-376.png]]
595 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image030.png]]
548 548  
549 549  
550 -== 2.6 Frequency Plans ==
551 551  
552 552  
600 +
601 +
602 +
603 +
604 +
605 +
606 +
607 +
608 +
609 +
610 +
611 +
612 +
613 +1.
614 +11. Frequency Plans
615 +
553 553  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.
554 554  
618 +
555 555  [[https:~~/~~/wiki.dragino.com/index.php?title=End_Device_Frequency_Band>>url:https://wiki.dragino.com/index.php?title=End_Device_Frequency_Band]]
556 556  
557 557  
558 558  
559 559  
560 -1.
624 +1.
561 561  11. ​Firmware Change Log
562 562  
563 563  **Firmware download link:**
... ... @@ -595,7 +595,7 @@
595 595  These commands only valid for PS-LB, as below:
596 596  
597 597  
598 -1.
662 +1.
599 599  11. Set Transmit Interval Time
600 600  
601 601  Feature: Change LoRaWAN End Node Transmit Interval.
... ... @@ -626,7 +626,8 @@
626 626  * Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
627 627  
628 628  
629 -1.
693 +
694 +1.
630 630  11. Set Interrupt Mode
631 631  
632 632  Feature, Set Interrupt mode for GPIO_EXIT.
... ... @@ -659,7 +659,7 @@
659 659  * Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
660 660  * Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
661 661  
662 -1.
727 +1.
663 663  11. Set the output time
664 664  
665 665  Feature, Control the output 3V3 , 5V or 12V.
... ... @@ -740,7 +740,7 @@
740 740  * Example 5: Downlink Payload: 070301F4  -> AT+12VT=500
741 741  * Example 6: Downlink Payload: 07030000  -> AT+12VT=0
742 742  
743 -1.
808 +1.
744 744  11. Set the Probe Model
745 745  
746 746  **AT Command: AT** **+PROBE**
... ... @@ -772,6 +772,7 @@
772 772  
773 773  
774 774  
840 +
775 775  1. Battery & how to replace
776 776  11. Battery Type
777 777  
... ... @@ -788,7 +788,7 @@
788 788  PS-LB:  2.45v ~~ 3.6v
789 789  
790 790  
791 -1.
857 +1.
792 792  11. Replace Battery
793 793  
794 794  Any battery with range 2.45 ~~ 3.6v can be a replacement. We recommend to use Li-SOCl2 Battery.
... ... @@ -797,7 +797,7 @@
797 797  
798 798  
799 799  
800 -1.
866 +1.
801 801  11. Power Consumption Analyze
802 802  
803 803  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.
... ... @@ -828,6 +828,7 @@
828 828  * [[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]]
829 829  * [[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]]
830 830  
897 +
831 831  |(((
832 832  JST-XH-2P connector
833 833  )))
... ... @@ -837,14 +837,14 @@
837 837  
838 838  
839 839  1.
840 -11.
907 +11.
841 841  111. ​Battery Note
842 842  
843 843  The Li-SICO battery is designed for small current / long period application. It is not good to use a high current, short period transmit method. The recommended minimum period for use of this battery is 5 minutes. If you use a shorter period time to transmit LoRa, then the battery life may be decreased.
844 844  
845 845  
846 -1.
847 -11.
913 +1.
914 +11.
848 848  111. ​Replace the battery
849 849  
850 850  You can change the battery in the PS-LB.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
... ... @@ -865,9 +865,10 @@
865 865  [[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/]]
866 866  
867 867  
868 -1.
935 +1.
869 869  11. AT Command Set
870 870  
938 +
871 871  1. OTA firmware update
872 872  
873 873  Please see this link for how to do OTA firmware update.
... ... @@ -884,7 +884,7 @@
884 884  See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
885 885  
886 886  
887 -1.
955 +1.
888 888  11. How to update firmware via UART port?
889 889  
890 890  See:
... ... @@ -892,7 +892,7 @@
892 892  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
893 893  
894 894  
895 -1.
963 +1.
896 896  11. How to change the LoRa Frequency Bands/Region
897 897  
898 898  You can follow the instructions for [[how to upgrade image>>path:#3ygebqi]].
... ... @@ -925,6 +925,7 @@
925 925  
926 926  
927 927  
996 +
928 928  1. ​Support
929 929  
930 930  * 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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