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16	16	== 1.1 What is LoRaWAN Pressure Sensor ==
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19	19	The Dragino PS-LB series sensors are (% style="color:blue" %)**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.
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21	21	The PS-LB series sensors include (% style="color:blue" %)**Thread Installation Type**(%%) and (% style="color:blue" %)**Immersion Type**(%%), it supports different pressure range which can be used for different measurement requirement.
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23	23	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.
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25	25	PS-LB supports BLE configure and wireless OTA update which make user easy to use.
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27	27	PS-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
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29	29	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.
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31	31	[[image:1675071321348-194.png]]
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...	...	@@ -639,39 +639,39 @@
639	639
640	640	(% style="color:blue" %)**AT Command: AT+3V3T**
641	641
642		-(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
643		-|=(% style="width: 156px;" %)**Command Example**|=(% style="width: 236px;" %)**Function**|=(% style="width: 117px;" %)**Response**
644		-|(% style="width:156px" %)AT+3V3T=?|(% style="width:236px" %)Show 3V3 open time.|(% style="width:117px" %)(((
	654	+(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:474px" %)
	655	+|=(% style="width: 154px;" %)**Command Example**|=(% style="width: 201px;" %)**Function**|=(% style="width: 116px;" %)**Response**
	656	+|(% style="width:154px" %)AT+3V3T=?|(% style="width:201px" %)Show 3V3 open time.|(% style="width:116px" %)(((
645	645	0
646	646	OK
647	647	)))
648		-|(% style="width:156px" %)AT+3V3T=0|(% style="width:236px" %)Normally open 3V3 power supply.|(% style="width:117px" %)(((
	660	+|(% style="width:154px" %)AT+3V3T=0|(% style="width:201px" %)Normally open 3V3 power supply.|(% style="width:116px" %)(((
649	649	OK
650	650	default setting
651	651	)))
652		-|(% style="width:156px" %)AT+3V3T=1000|(% style="width:236px" %)Close after a delay of 1000 milliseconds.|(% style="width:117px" %)(((
	664	+|(% style="width:154px" %)AT+3V3T=1000|(% style="width:201px" %)Close after a delay of 1000 milliseconds.|(% style="width:116px" %)(((
653	653	OK
654	654	)))
655		-|(% style="width:156px" %)AT+3V3T=65535|(% style="width:236px" %)Normally closed 3V3 power supply.|(% style="width:117px" %)(((
	667	+|(% style="width:154px" %)AT+3V3T=65535|(% style="width:201px" %)Normally closed 3V3 power supply.|(% style="width:116px" %)(((
656	656	OK
657	657	)))
658	658
659	659	(% style="color:blue" %)**AT Command: AT+5VT**
660	660
661		-(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
662		-|=(% style="width: 158px;" %)**Command Example**|=(% style="width: 232px;" %)**Function**|=(% style="width: 119px;" %)**Response**
663		-|(% style="width:158px" %)AT+5VT=?|(% style="width:232px" %)Show 5V open time.|(% style="width:119px" %)(((
	673	+(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:470px" %)
	674	+|=(% style="width: 155px;" %)**Command Example**|=(% style="width: 196px;" %)**Function**|=(% style="width: 114px;" %)**Response**
	675	+|(% style="width:155px" %)AT+5VT=?|(% style="width:196px" %)Show 5V open time.|(% style="width:114px" %)(((
664	664	0
665	665	OK
666	666	)))
667		-|(% style="width:158px" %)AT+5VT=0|(% style="width:232px" %)Normally closed 5V power supply.|(% style="width:119px" %)(((
	679	+|(% style="width:155px" %)AT+5VT=0|(% style="width:196px" %)Normally closed 5V power supply.|(% style="width:114px" %)(((
668	668	OK
669	669	default setting
670	670	)))
671		-|(% style="width:158px" %)AT+5VT=1000|(% style="width:232px" %)Close after a delay of 1000 milliseconds.|(% style="width:119px" %)(((
	683	+|(% style="width:155px" %)AT+5VT=1000|(% style="width:196px" %)Close after a delay of 1000 milliseconds.|(% style="width:114px" %)(((
672	672	OK
673	673	)))
674		-|(% style="width:158px" %)AT+5VT=65535|(% style="width:232px" %)Normally open 5V power supply.|(% style="width:119px" %)(((
	686	+|(% style="width:155px" %)AT+5VT=65535|(% style="width:196px" %)Normally open 5V power supply.|(% style="width:114px" %)(((
675	675	OK
676	676	)))
677	677
...	...	@@ -706,17 +706,17 @@
706	706
707	707	(% style="color:blue" %)**AT Command: AT** **+PROBE**
708	708
709		-(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:510px" %)
710		-|=(% style="width: 157px;" %)**Command Example**|=(% style="width: 267px;" %)**Function**|=**Response**
711		-|(% style="width:157px" %)AT +PROBE =?|(% style="width:267px" %)Get or Set the probe model.|(((
	721	+(% border="1" cellspacing="4" style="background-color:#f7faff; color:black; width:448px" %)
	722	+|=(% style="width: 154px;" %)**Command Example**|=(% style="width: 204px;" %)**Function**|=(% style="width: 85px;" %)**Response**
	723	+|(% style="width:154px" %)AT +PROBE =?|(% style="width:204px" %)Get or Set the probe model.|(% style="width:85px" %)(((
712	712	0
713	713	OK
714	714	)))
715		-|(% style="width:157px" %)AT +PROBE =0003|(% style="width:267px" %)Set water depth sensor mode, 3m type.|OK
716		-|(% style="width:157px" %)AT +PROBE =0101|(% style="width:267px" %)Set pressure transmitters mode, first type.|(((
	727	+|(% style="width:154px" %)AT +PROBE =0003|(% style="width:204px" %)Set water depth sensor mode, 3m type.|(% style="width:85px" %)OK
	728	+|(% style="width:154px" %)AT +PROBE =0101|(% style="width:204px" %)Set pressure transmitters mode, first type.|(% style="width:85px" %)(((
717	717	OK
718	718	)))
719		-|(% style="width:157px" %)AT +PROBE =0000|(% style="width:267px" %)Initial state, no settings.|(((
	731	+|(% style="width:154px" %)AT +PROBE =0000|(% style="width:204px" %)Initial state, no settings.|(% style="width:85px" %)(((
720	720	OK
721	721	)))
722	722