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Last modified by Mengting Qiu on 2025/07/01 15:58
From version 70.2
edited by Xiaoling
on 2024/01/04 16:19
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To version 67.2
edited by Xiaoling
on 2023/11/27 15:49
Change comment: There is no comment for this version

Summary

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Title
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1 -S31/S31B-LB/LS -- LoRaWAN Outdoor Temperature & Humidity Sensor User Manual
1 +S31-LB / S31B-LB LoRaWAN Outdoor Temperature & Humidity Sensor User Manual
Content
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1 -[[image:S31-B.jpg||height="388" width="779"]]
1 +(% style="text-align:center" %)
2 +[[image:S31-B.jpg]]
2 2  
3 - [[image:image-20240104161116-1.png||height="350" width="276"]] [[image:image-20240104161535-2.png||height="336" width="208"]]
4 4  
5 5  
6 +
6 6  **Table of Contents：**
7 7  
8 8  {{toc/}}
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47 47  * Downlink to change configure
48 48  * 8500mAh Battery for long term use
49 49  
51 +
50 50  == 1.3 Specification ==
51 51  
52 52  
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89 89  * Sleep Mode: 5uA @ 3.3v
90 90  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
91 91  
94 +
92 92  == 1.4 Sleep mode and working mode ==
93 93  
94 94  
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116 116  )))
117 117  |(% style="width:167px" %)Fast press ACT 5 times.|(% style="width:117px" %)Deactivate Device|(% style="width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means device is in Deep Sleep Mode.
118 118  
122 +
119 119  == 1.6 BLE connection ==
120 120  
121 121  
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139 139  == 1.8 Hardware Variant ==
140 140  
141 141  
142 -(% border="1" cellspacing="5" style="width:461.818px" %)
143 -|=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)Model|=(% style="width: 182px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Photo|=(% style="width: 176px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)Probe Info
146 +(% border="1" cellspacing="5" style="width:472px" %)
147 +|=(% style="width: 102px;background-color:#D9E2F3;color:#0070C0" %)Model|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)Photo|=(% style="width: 187px; background-color:#D9E2F3;color:#0070C0" %)Probe Info
144 144  |(% style="width:102px" %)(((
145 145  S31-LB
146 -)))|(% style="width:182px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:176px" %)(((
150 +)))|(% style="width:190px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:187px" %)(((
147 147  1 x SHT31 Probe
148 148  
149 149  Cable Length : 2 meters
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152 152  )))
153 153  |(% style="width:102px" %)(((
154 154  S31B-LB
155 -)))|(% style="width:182px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:176px" %)(((
159 +)))|(% style="width:190px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:187px" %)(((
156 156  1 x SHT31 Probe
157 157  
158 158  Installed in device.
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345 345  
346 346  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
347 347  
348 -(FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative)
352 +（FF3F & 8000：Judge whether the highest bit is 1, when the highest bit is 1, it is negative）
349 349  
350 350  
351 351  ==== (% style="color:#4472c4" %)**Humidity**(%%) ====
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568 568  * AT Command via UART Connection : See [[UART Connection>>http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
569 569  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
570 570  
575 +
571 571  == 3.2 General Commands ==
572 572  
573 573  
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615 615  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
616 616  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
617 617  
623 +
618 618  === 3.3.2 Get Device Status ===
619 619  
620 620  
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698 698  
699 699  * Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
700 700  
707 +
701 701  === 3.3.7 Set Interrupt Mode ===
702 702  
703 703  
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731 731  * Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
732 732  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
733 733  
741 +
734 734  === 3.3.8 Set Power Output Duration ===
735 735  
736 736  
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759 759  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
760 760  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
761 761  
770 +
762 762  = 4. Battery & Power Consumption =
763 763  
764 764  
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785 785  * (Recommanded way) OTA firmware update via wireless : **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]**
786 786  * Update through UART TTL interface : **[[Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]**.
787 787  
797 +
788 788  = 6. FAQ =
789 789  
790 790  
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812 812  
813 813  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
814 814  
825 +
815 815  = 8. ​Packing Info =
816 816  
817 817  
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829 829  
830 830  * Weight / pcs : g
831 831  
843 +
832 832  = 9. Support =
833 833  
834 834  
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