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Last modified by Mengting Qiu on 2025/07/01 15:58
From version 69.2
edited by Xiaoling
on 2024/01/04 16:16
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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 1  (% style="text-align:center" %)
2 -[[image:S31-B.jpg||height="388" width="779"]]
2 +[[image:S31-B.jpg]]
3 3  
4 4  
5 -[[image:image-20240104161116-1.png||height="351" width="277"]] [[image:image-20240104161535-2.png||height="336" width="208"]]
6 6  
7 7  
8 8  **Table of Contents：**
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49 49  * Downlink to change configure
50 50  * 8500mAh Battery for long term use
51 51  
51 +
52 52  == 1.3 Specification ==
53 53  
54 54  
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91 91  * Sleep Mode: 5uA @ 3.3v
92 92  * LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
93 93  
94 +
94 94  == 1.4 Sleep mode and working mode ==
95 95  
96 96  
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118 118  )))
119 119  |(% 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.
120 120  
122 +
121 121  == 1.6 BLE connection ==
122 122  
123 123  
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141 141  == 1.8 Hardware Variant ==
142 142  
143 143  
144 -(% border="1" cellspacing="5" style="width:461.818px" %)
145 -|=(% 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
146 146  |(% style="width:102px" %)(((
147 147  S31-LB
148 -)))|(% style="width:182px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:176px" %)(((
150 +)))|(% style="width:190px" %)[[image:image-20230527093214-2.jpeg]]|(% style="width:187px" %)(((
149 149  1 x SHT31 Probe
150 150  
151 151  Cable Length : 2 meters
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154 154  )))
155 155  |(% style="width:102px" %)(((
156 156  S31B-LB
157 -)))|(% style="width:182px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:176px" %)(((
159 +)))|(% style="width:190px" %)[[image:image-20230527093155-1.jpeg]]|(% style="width:187px" %)(((
158 158  1 x SHT31 Probe
159 159  
160 160  Installed in device.
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347 347  
348 348  If payload is: FF3FH :  (FF3F & 8000 == 1) , temp = (FF3FH - 65536)/10 = -19.3 degrees.
349 349  
350 -(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）
351 351  
352 352  
353 353  ==== (% style="color:#4472c4" %)**Humidity**(%%) ====
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570 570  * 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]].
571 571  * LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
572 572  
575 +
573 573  == 3.2 General Commands ==
574 574  
575 575  
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617 617  * Example 1: Downlink Payload: 0100001E  ~/~/  Set Transmit Interval (TDC) = 30 seconds
618 618  * Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
619 619  
623 +
620 620  === 3.3.2 Get Device Status ===
621 621  
622 622  
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700 700  
701 701  * Alarm & MOD bit is 0x7C, 0x7C >> 2 = 0x31: Means this message is the Alarm settings message.
702 702  
707 +
703 703  === 3.3.7 Set Interrupt Mode ===
704 704  
705 705  
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733 733  * Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
734 734  * Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
735 735  
741 +
736 736  === 3.3.8 Set Power Output Duration ===
737 737  
738 738  
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761 761  * Example 1: Downlink Payload: 070000  **~-~-->**  AT+5VT=0
762 762  * Example 2: Downlink Payload: 0701F4  **~-~-->**  AT+5VT=500
763 763  
770 +
764 764  = 4. Battery & Power Consumption =
765 765  
766 766  
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787 787  * (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/]]**
788 788  * 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]]**.
789 789  
797 +
790 790  = 6. FAQ =
791 791  
792 792  
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814 814  
815 815  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
816 816  
825 +
817 817  = 8. ​Packing Info =
818 818  
819 819  
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831 831  
832 832  * Weight / pcs : g
833 833  
843 +
834 834  = 9. Support =
835 835  
836 836  
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