Last modified by Mengting Qiu on 2024/04/02 16:44
<
From version < 15.5 >
edited by Xiaoling
on 2022/06/06 16:29
To version < 31.7 >
edited by Xiaoling
on 2022/06/06 17:24
>
Change comment: There is no comment for this version

Summary

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Content
... ... @@ -66,9 +66,12 @@
66 66  
67 67  * Smart Agriculture
68 68  
69 -== ​1.5 Firmware Change log ==
69 +(% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %)
70 +​
70 70  
72 +== 1.5 Firmware Change log ==
71 71  
74 +
72 72  **LSE01 v1.0 :**  Release
73 73  
74 74  
... ... @@ -102,27 +102,22 @@
102 102  
103 103  Each LSE01 is shipped with a sticker with the default device EUI as below:
104 104  
108 +[[image:image-20220606163732-6.jpeg]]
105 105  
106 -
107 -
108 108  You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
109 109  
110 -
111 111  **Add APP EUI in the application**
112 112  
113 113  
114 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
115 +[[image:1654504596150-405.png]]
115 115  
116 116  
117 117  
118 118  **Add APP KEY and DEV EUI**
119 119  
121 +[[image:1654504683289-357.png]]
120 120  
121 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
122 122  
123 -|(((
124 -
125 -)))
126 126  
127 127  **Step 2**: Power on LSE01
128 128  
... ... @@ -129,28 +129,18 @@
129 129  
130 130  Put a Jumper on JP2 to power on the device. ( The Jumper must be in FLASH position).
131 131  
130 +[[image:image-20220606163915-7.png]]
132 132  
133 133  
134 -|(((
135 -
136 -)))
137 -
138 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
139 -
140 -
141 -
142 -
143 -
144 144  **Step 3:** The LSE01 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.
145 145  
146 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
135 +[[image:1654504778294-788.png]]
147 147  
148 148  
149 149  
139 +== 2.3 Uplink Payload ==
150 150  
151 -1.
152 -11. ​Uplink Payload
153 -111. MOD=0(Default Mode)
141 +=== 2.3.1 MOD~=0(Default Mode) ===
154 154  
155 155  LSE01 will uplink payload via LoRaWAN with below payload format: 
156 156  
... ... @@ -173,13 +173,12 @@
173 173  (Optional)
174 174  )))
175 175  
176 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
164 +[[image:1654504881641-514.png]]
177 177  
178 178  
179 -1.
180 -11.
181 -111. MOD=1(Original value)
182 182  
168 +=== 2.3.2 MOD~=1(Original value) ===
169 +
183 183  This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation).
184 184  
185 185  |(((
... ... @@ -197,12 +197,12 @@
197 197  (Optional)
198 198  )))
199 199  
200 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
187 +[[image:1654504907647-967.png]]
201 201  
202 -1.
203 -11.
204 -111. Battery Info
205 205  
190 +
191 +=== 2.3.3 Battery Info ===
192 +
206 206  Check the battery voltage for LSE01.
207 207  
208 208  Ex1: 0x0B45 = 2885mV
... ... @@ -211,21 +211,19 @@
211 211  
212 212  
213 213  
214 -1.
215 -11.
216 -111. Soil Moisture
201 +=== 2.3.4 Soil Moisture ===
217 217  
218 218  Get the moisture content of the soil. The value range of the register is 0-10000(Decimal), divide this value by 100 to get the percentage of moisture in the soil.
219 219  
220 -For example, if the data you get from the register is 0x05 0xDC, the moisture content in the soil is
205 +For example, if the data you get from the register is __0x05 0xDC__, the moisture content in the soil is
221 221  
222 -**05DC(H) = 1500(D) /100 = 15%.**
223 223  
208 +(% style="color:#4f81bd" %)**05DC(H) = 1500(D) /100 = 15%.**
224 224  
225 -1.
226 -11.
227 -111. Soil Temperature
228 228  
211 +
212 +=== 2.3.5 Soil Temperature ===
213 +
229 229   Get the temperature in the soil. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the soil. For example, if the data you get from the register is 0x09 0xEC, the temperature content in the soil is
230 230  
231 231  **Example**:
... ... @@ -235,21 +235,31 @@
235 235  If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/100 = -1.29 °C
236 236  
237 237  
238 -1.
239 -11.
240 -111. Soil Conductivity (EC)
241 241  
242 -Obtain soluble salt concentration in soil or soluble ion concentration in liquid fertilizer or planting medium,. The value range of the register is 0 - 20000(Decimal)( Can be greater than 20000).
224 +=== 2.3.6 Soil Conductivity (EC) ===
243 243  
226 +(((
227 +Obtain (% style="color:#4f81bd" %)**__soluble salt concentration__**(%%) in soil or (% style="color:#4f81bd" %)**__soluble ion concentration in liquid fertilizer__**(%%) or (% style="color:#4f81bd" %)**__planting medium__**(%%). The value range of the register is 0 - 20000(Decimal)( Can be greater than 20000).
228 +)))
229 +
230 +(((
244 244  For example, if the data you get from the register is 0x00 0xC8, the soil conductivity is 00C8(H) = 200(D) = 200 uS/cm.
232 +)))
245 245  
246 -
234 +(((
247 247  Generally, the EC value of irrigation water is less than 800uS / cm.
236 +)))
248 248  
249 -1.
250 -11.
251 -111. MOD
238 +(((
239 +
240 +)))
252 252  
242 +(((
243 +
244 +)))
245 +
246 +=== 2.3.7 MOD ===
247 +
253 253  Firmware version at least v2.1 supports changing mode.
254 254  
255 255  For example, bytes[10]=90
... ... @@ -264,14 +264,13 @@
264 264  If** **payload =** **0x0A01, workmode=1
265 265  
266 266  
267 -1.
268 -11.
269 -111. ​Decode payload in The Things Network
270 270  
263 +=== 2.3.8 ​Decode payload in The Things Network ===
264 +
271 271  While using TTN network, you can add the payload format to decode the payload.
272 272  
273 273  
274 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image009.png]]
268 +[[image:1654505570700-128.png]]
275 275  
276 276  The payload decoder function for TTN is here:
277 277  
... ... @@ -278,30 +278,26 @@
278 278  LSE01 TTN Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
279 279  
280 280  
281 -1.
282 -11. Uplink Interval
275 +== 2.4 Uplink Interval ==
283 283  
284 284  The LSE01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
285 285  
286 286  [[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]]
287 287  
288 -1.
289 -11. ​Downlink Payload
290 290  
282 +
283 +== 2.5 Downlink Payload ==
284 +
291 291  By default, LSE50 prints the downlink payload to console port.
292 292  
293 -|**Downlink Control Type**|**FPort**|**Type Code**|**Downlink payload size(bytes)**
294 -|TDC (Transmit Time Interval)|Any|01|4
295 -|RESET|Any|04|2
296 -|AT+CFM|Any|05|4
297 -|INTMOD|Any|06|4
298 -|MOD|Any|0A|2
287 +[[image:image-20220606165544-8.png]]
299 299  
300 -**Examples**
301 301  
290 +**Examples:**
302 302  
303 -**Set TDC**
304 304  
293 +* **Set TDC**
294 +
305 305  If the payload=0100003C, it means set the END Node’s TDC to 0x00003C=60(S), while type code is 01.
306 306  
307 307  Payload:    01 00 00 1E    TDC=30S
... ... @@ -309,18 +309,19 @@
309 309  Payload:    01 00 00 3C    TDC=60S
310 310  
311 311  
312 -**Reset**
302 +* **Reset**
313 313  
314 314  If payload = 0x04FF, it will reset the LSE01
315 315  
316 316  
317 -**CFM**
307 +* **CFM**
318 318  
319 319  Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
320 320  
321 -1.
322 -11. ​Show Data in DataCake IoT Server
323 323  
312 +
313 +== 2.6 ​Show Data in DataCake IoT Server ==
314 +
324 324  [[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:
325 325  
326 326  
... ... @@ -329,42 +329,34 @@
329 329  **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:
330 330  
331 331  
332 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image010.png]]
323 +[[image:1654505857935-743.png]]
333 333  
334 334  
335 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]]
326 +[[image:1654505874829-548.png]]
336 336  
337 -
338 -
339 -
340 -
341 341  Step 3: Create an account or log in Datacake.
342 342  
343 343  Step 4: Search the LSE01 and add DevEUI.
344 344  
345 345  
346 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image012.png]]
333 +[[image:1654505905236-553.png]]
347 347  
348 348  
349 -
350 350  After added, the sensor data arrive TTN, it will also arrive and show in Mydevices.
351 351  
338 +[[image:1654505925508-181.png]]
352 352  
353 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image013.png]]
354 354  
355 355  
342 +== 2.7 Frequency Plans ==
356 356  
357 -1.
358 -11. Frequency Plans
359 -
360 360  The LSE01 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.
361 361  
362 -1.
363 -11.
364 -111. EU863-870 (EU868)
365 365  
366 -Uplink:
347 +=== 2.7.1 EU863-870 (EU868) ===
367 367  
349 +(% style="color:#037691" %)** Uplink:**
350 +
368 368  868.1 - SF7BW125 to SF12BW125
369 369  
370 370  868.3 - SF7BW125 to SF12BW125 and SF7BW250
... ... @@ -384,7 +384,7 @@
384 384  868.8 - FSK
385 385  
386 386  
387 -Downlink:
370 +(% style="color:#037691" %)** Downlink:**
388 388  
389 389  Uplink channels 1-9 (RX1)
390 390  
... ... @@ -391,13 +391,12 @@
391 391  869.525 - SF9BW125 (RX2 downlink only)
392 392  
393 393  
394 -1.
395 -11.
396 -111. US902-928(US915)
397 397  
378 +=== 2.7.2 US902-928(US915) ===
379 +
398 398  Used in USA, Canada and South America. Default use CHE=2
399 399  
400 -Uplink:
382 +(% style="color:#037691" %)**Uplink:**
401 401  
402 402  903.9 - SF7BW125 to SF10BW125
403 403  
... ... @@ -416,7 +416,7 @@
416 416  905.3 - SF7BW125 to SF10BW125
417 417  
418 418  
419 -Downlink:
401 +(% style="color:#037691" %)**Downlink:**
420 420  
421 421  923.3 - SF7BW500 to SF12BW500
422 422  
... ... @@ -437,13 +437,12 @@
437 437  923.3 - SF12BW500(RX2 downlink only)
438 438  
439 439  
440 -1.
441 -11.
442 -111. CN470-510 (CN470)
443 443  
423 +=== 2.7.3 CN470-510 (CN470) ===
424 +
444 444  Used in China, Default use CHE=1
445 445  
446 -Uplink:
427 +(% style="color:#037691" %)**Uplink:**
447 447  
448 448  486.3 - SF7BW125 to SF12BW125
449 449  
... ... @@ -462,7 +462,7 @@
462 462  487.7 - SF7BW125 to SF12BW125
463 463  
464 464  
465 -Downlink:
446 +(% style="color:#037691" %)**Downlink:**
466 466  
467 467  506.7 - SF7BW125 to SF12BW125
468 468  
... ... @@ -483,13 +483,12 @@
483 483  505.3 - SF12BW125 (RX2 downlink only)
484 484  
485 485  
486 -1.
487 -11.
488 -111. AU915-928(AU915)
489 489  
468 +=== 2.7.4 AU915-928(AU915) ===
469 +
490 490  Default use CHE=2
491 491  
492 -Uplink:
472 +(% style="color:#037691" %)**Uplink:**
493 493  
494 494  916.8 - SF7BW125 to SF12BW125
495 495  
... ... @@ -508,7 +508,7 @@
508 508  918.2 - SF7BW125 to SF12BW125
509 509  
510 510  
511 -Downlink:
491 +(% style="color:#037691" %)**Downlink:**
512 512  
513 513  923.3 - SF7BW500 to SF12BW500
514 514  
... ... @@ -528,22 +528,22 @@
528 528  
529 529  923.3 - SF12BW500(RX2 downlink only)
530 530  
531 -1.
532 -11.
533 -111. AS920-923 & AS923-925 (AS923)
534 534  
535 -**Default Uplink channel:**
536 536  
513 +=== 2.7.5 AS920-923 & AS923-925 (AS923) ===
514 +
515 +(% style="color:#037691" %)**Default Uplink channel:**
516 +
537 537  923.2 - SF7BW125 to SF10BW125
538 538  
539 539  923.4 - SF7BW125 to SF10BW125
540 540  
541 541  
542 -**Additional Uplink Channel**:
522 +(% style="color:#037691" %)**Additional Uplink Channel**:
543 543  
544 544  (OTAA mode, channel added by JoinAccept message)
545 545  
546 -**AS920~~AS923 for Japan, Malaysia, Singapore**:
526 +(% style="color:#037691" %)**AS920~~AS923 for Japan, Malaysia, Singapore**:
547 547  
548 548  922.2 - SF7BW125 to SF10BW125
549 549  
... ... @@ -558,7 +558,7 @@
558 558  922.0 - SF7BW125 to SF10BW125
559 559  
560 560  
561 -**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
541 +(% style="color:#037691" %)**AS923 ~~ AS925 for Brunei, Cambodia, Hong Kong, Indonesia, Laos, Taiwan, Thailand, Vietnam**:
562 562  
563 563  923.6 - SF7BW125 to SF10BW125
564 564  
... ... @@ -573,18 +573,16 @@
573 573  924.6 - SF7BW125 to SF10BW125
574 574  
575 575  
556 +(% style="color:#037691" %)** Downlink:**
576 576  
577 -**Downlink:**
578 -
579 579  Uplink channels 1-8 (RX1)
580 580  
581 581  923.2 - SF10BW125 (RX2)
582 582  
583 583  
584 -1.
585 -11.
586 -111. KR920-923 (KR920)
587 587  
564 +=== 2.7.6 KR920-923 (KR920) ===
565 +
588 588  Default channel:
589 589  
590 590  922.1 - SF7BW125 to SF12BW125
... ... @@ -594,7 +594,7 @@
594 594  922.5 - SF7BW125 to SF12BW125
595 595  
596 596  
597 -Uplink: (OTAA mode, channel added by JoinAccept message)
575 +(% style="color:#037691" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
598 598  
599 599  922.1 - SF7BW125 to SF12BW125
600 600  
... ... @@ -611,7 +611,7 @@
611 611  923.3 - SF7BW125 to SF12BW125
612 612  
613 613  
614 -Downlink:
592 +(% style="color:#037691" %)**Downlink:**
615 615  
616 616  Uplink channels 1-7(RX1)
617 617  
... ... @@ -618,12 +618,11 @@
618 618  921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
619 619  
620 620  
621 -1.
622 -11.
623 -111. IN865-867 (IN865)
624 624  
625 -Uplink:
600 +=== 2.7.7 IN865-867 (IN865) ===
626 626  
602 +(% style="color:#037691" %)** Uplink:**
603 +
627 627  865.0625 - SF7BW125 to SF12BW125
628 628  
629 629  865.4025 - SF7BW125 to SF12BW125
... ... @@ -631,7 +631,7 @@
631 631  865.9850 - SF7BW125 to SF12BW125
632 632  
633 633  
634 -Downlink:
611 +(% style="color:#037691" %) **Downlink:**
635 635  
636 636  Uplink channels 1-3 (RX1)
637 637  
... ... @@ -638,110 +638,124 @@
638 638  866.550 - SF10BW125 (RX2)
639 639  
640 640  
641 -1.
642 -11. LED Indicator
643 643  
644 -The LSE01 has an internal LED which is to show the status of different state.
645 645  
620 +== 2.8 LED Indicator ==
646 646  
622 +The LSE01 has an internal LED which is to show the status of different state.
623 +
647 647  * Blink once when device power on.
648 648  * Solid ON for 5 seconds once device successful Join the network.
649 649  * Blink once when device transmit a packet.
650 650  
651 -1.
652 -11. Installation in Soil
653 653  
629 +== 2.9 Installation in Soil ==
630 +
654 654  **Measurement the soil surface**
655 655  
656 656  
657 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]] ​
634 +[[image:1654506634463-199.png]] ​
658 658  
636 +(((
659 659  Choose the proper measuring position. Avoid the probe to touch rocks or hard things. Split the surface soil according to the measured deep. Keep the measured as original density. Vertical insert the probe into the soil to be measured. Make sure not shake when inserting.
638 +)))
660 660  
661 661  
662 662  
642 +[[image:1654506665940-119.png]]
663 663  
664 -
665 -
666 -
667 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
668 -
669 -
670 -
671 671  Dig a hole with diameter > 20CM.
672 672  
673 673  Horizontal insert the probe to the soil and fill the hole for long term measurement.
674 674  
675 675  
649 +== 2.10 ​Firmware Change Log ==
676 676  
677 -
678 -1.
679 -11. ​Firmware Change Log
680 -
651 +(((
681 681  **Firmware download link:**
653 +)))
682 682  
655 +(((
683 683  [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Firmware/]]
657 +)))
684 684  
659 +(((
660 +
661 +)))
685 685  
686 -**Firmware Upgrade Method:**
663 +(((
664 +**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
665 +)))
687 687  
688 -[[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Instruction_for_STM32_base_products#Introduction]]
667 +(((
668 +
669 +)))
689 689  
690 -
671 +(((
691 691  **V1.0.**
673 +)))
692 692  
675 +(((
693 693  Release
677 +)))
694 694  
695 695  
680 +== 2.11 ​Battery Analysis ==
696 696  
697 -1.
698 -11. ​Battery Analysis
699 -111. ​Battery Type
682 +=== 2.11.1 ​Battery Type ===
700 700  
684 +(((
701 701  The LSE01 battery is a combination of a 4000mAh Li/SOCI2 Battery and a Super Capacitor. The battery is non-rechargeable battery type with a low discharge rate (<2% per year). This type of battery is commonly used in IoT devices such as water meter.
686 +)))
702 702  
703 -
688 +(((
704 704  The battery is designed to last for more than 5 years for the LSN50.
690 +)))
705 705  
692 +(((
693 +(((
694 +The battery-related documents are as below:
695 +)))
696 +)))
706 706  
707 -The battery related documents as below:
708 -
709 -* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
710 -* [[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]]
711 -* [[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]]
712 -
713 -|(((
714 -JST-XH-2P connector
698 +* (((
699 +[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
715 715  )))
701 +* (((
702 +[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
703 +)))
704 +* (((
705 +[[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]]
706 +)))
716 716  
717 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image016.png]] [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image017.png]]
708 + [[image:image-20220606171726-9.png]]
718 718  
719 719  
720 720  
721 -1.
722 -11.
723 -111. ​Battery Note
712 +=== 2.11.2 ​Battery Note ===
724 724  
714 +(((
725 725  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.
716 +)))
726 726  
727 727  
728 -1.
729 -11.
730 -111. ​Replace the battery
731 731  
720 +=== 2.11.3 Replace the battery ===
721 +
722 +(((
732 732  If Battery is lower than 2.7v, user should replace the battery of LSE01.
724 +)))
733 733  
734 -
726 +(((
735 735  You can change the battery in the LSE01.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.
728 +)))
736 736  
737 -
730 +(((
738 738  The default battery pack of LSE01 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
732 +)))
739 739  
740 740  
741 741  
742 -
743 -
744 -
745 745  = 3. ​Using the AT Commands =
746 746  
747 747  == 3.1 Access AT Commands ==
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