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626	626	* Blink once when device transmit a packet.
627	627
628	628
629		-
630	630	== 2.9 Installation in Soil ==
631	631
632	632	**Measurement the soil surface**
633	633
634	634
635		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image014.png]] ​
	634	+[[image:1654506634463-199.png]] ​
636	636
	636	+(((
	637	+(((
637	637	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.
	639	+)))
	640	+)))
638	638
639	639
640	640
	644	+[[image:1654506665940-119.png]]
641	641
642		-
643		-
644		-
645		-[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]]
646		-
647		-
648		-
	646	+(((
649	649	Dig a hole with diameter > 20CM.
	648	+)))
650	650
	650	+(((
651	651	Horizontal insert the probe to the soil and fill the hole for long term measurement.
	652	+)))
652	652
653	653
	655	+== 2.10 ​Firmware Change Log ==
654	654
655		-
656		-1.
657		-11. ​Firmware Change Log
658		-
	657	+(((
659	659	**Firmware download link:**
	659	+)))
660	660
	661	+(((
661	661	[[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/]]
	663	+)))
662	662
	665	+(((
	666	+
	667	+)))
663	663
664		-**Firmware Upgrade Method:**
	669	+(((
	670	+**Firmware Upgrade Method: **[[Firmware Upgrade Instruction>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]]
	671	+)))
665	665
666		-[[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]]
	673	+(((
	674	+
	675	+)))
667	667
668		-
	677	+(((
669	669	**V1.0.**
	679	+)))
670	670
	681	+(((
671	671	Release
	683	+)))
672	672
673	673
	686	+== 2.11 ​Battery Analysis ==
674	674
675		-1.
676		-11. ​Battery Analysis
677		-111. ​Battery Type
	688	+=== 2.11.1 ​Battery Type ===
678	678
	690	+(((
679	679	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.
	692	+)))
680	680
681		-
	694	+(((
682	682	The battery is designed to last for more than 5 years for the LSN50.
	696	+)))
683	683
	698	+(((
	699	+(((
	700	+The battery-related documents are as below:
	701	+)))
	702	+)))
684	684
685		-The battery related documents as below:
686		-
687		-* [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
688		-* [[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]]
689		-* [[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]]
690		-
691		-|(((
692		-JST-XH-2P connector
	704	+* (((
	705	+[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]],
693	693	)))
	707	+* (((
	708	+[[Lithium-Thionyl Chloride Battery  datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]],
	709	+)))
	710	+* (((
	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	+)))
694	694
695		-[[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]]
	714	+ [[image:image-20220606171726-9.png]]
696	696
697	697
698	698
699		-1.
700		-11.
701		-111. ​Battery Note
	718	+=== 2.11.2 ​Battery Note ===
702	702
	720	+(((
703	703	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.
	722	+)))
704	704
705	705
706		-1.
707		-11.
708		-111. ​Replace the battery
709	709
	726	+=== 2.11.3 Replace the battery ===
	727	+
	728	+(((
710	710	If Battery is lower than 2.7v, user should replace the battery of LSE01.
	730	+)))
711	711
712		-
	732	+(((
713	713	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.
	734	+)))
714	714
715		-
	736	+(((
716	716	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)
	738	+)))
717	717
718	718
719	719
720		-
721		-
722		-
723	723	= 3. ​Using the AT Commands =
724	724
725	725	== 3.1 Access AT Commands ==

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