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Last modified by Mengting Qiu on 2024/09/05 17:35
From version 84.3
edited by Xiaoling
on 2023/09/11 14:14
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To version 82.30
edited by Xiaoling
on 2023/08/19 15:03
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Title
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1 -DDS20-NB -- NB-IoT Ultrasonic Liquid Level Sensor User Manual
1 +S31-NB/S31B-NB_BN-IoT Outdoor Temperature & Humidity Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20230911134259-1.png||height="570" width="570"]]
2 +[[image:image-20230819102136-3.png]]
3 3  
4 4  
5 +
5 5  **Table of Contents:**
6 6  
7 7  {{toc/}}
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13 13  
14 14  = 1. Introduction =
15 15  
16 -== 1.1 What is DDS20-NB NB-IoT Ultrasonic liquid level Sensor ==
17 +== 1.1 What is S31x-NB NB-IoT Temperature & Humidity Sensor ==
17 17  
18 18  
19 -The Dragino DDS20-NB is a **NB-IoT Ultrasonic liquid level sensor** for Internet of Things solution. It uses **none-contact method **to measure the **height of liquid** in a container without opening the container, and send IoT platform via NB-IoT network.
20 +The Dragino S31-NB and S31B-NB are (% style="color:blue" %)**NB-IoT Temperature and Humidity Sensor**(%%) for Internet of Things solution. It is used to measure the surrounding (% style="color:blue" %)**environment temperature and relative air humidity precisely**(%%), and then upload to IoT server via NB-IoT network*.
20 20  
21 -The DDS20-NB sensor is installed directly below the container to detect the height of the liquid level. User doesn't need to open a hole on the container to be tested. The none-contact measurement makes the measurement safety, easier and possible for some strict situation. 
22 +The temperature & humidity sensor used in S31-NB is SHT31, which is fully calibrated, linearized, and temperature compensated digital output from Sensirion, it provides a strong reliability and long-term stability. The SHT31 is fixed in a (% style="color:blue" %)**waterproof anti-condensation casing**(%%) for long term use.
22 22  
23 -DDS20-NB uses **ultrasonic sensing technology** for distance measurement. DDS20-NB is of high accuracy to measure various liquid such as: **toxic substances**, **strong acids**, **strong alkalis** and **various pure liquids** in high-temperature and high-pressure airtight containers.
24 +S31-NB supports different uplink methods include (% style="color:blue" %)**TCP, MQTT, UDP**(%%) for different application requirement. and Support Uplinks to various IoT Servers.
24 24  
25 -PS-NB-NA supports different uplink methods including **MQTT, MQTTs, UDP & TCP** for different application requirement, and support uplinks to various IoT Servers.
26 +S31-NB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to several years. (Real-world battery life depends on the use environment, update period and uplink method. Please check related Power Analyze report).
26 26  
27 -PS-NB-NA **supports BLE configure **and** OTA update** which make user easy to use.
28 +*make sure you have NB-IoT coverage locally.
28 28  
29 -PS-NB-NA is powered by **8500mAh Li-SOCI2 battery**, it is designed for long-term use up to severa years.
30 30  
31 -PS-NB-NA has optional built-in SIM card and default IoT server connection version. Which makes it works with simple configuration.
31 +[[image:1692411831805-116.png]]
32 32  
33 33  
34 -[[image:image-20230911140426-2.png||height="320" width="951"]]
35 -
36 -
37 37  == 1.2 ​Features ==
38 38  
39 39  
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49 49  * 8500mAh Battery for long term use
50 50  * Nano SIM card slot for NB-IoT SIM
51 51  
49 +
50 +
52 52  == 1.3 Specification ==
53 53  
54 54  
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126 126  (% style="color:blue" %)**Working Mode:** (%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
127 127  
128 128  
128 +
129 129  == 1.6 Button & LEDs ==
130 130  
131 131  
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177 177  === 1.8.2 BOOT MODE / SW1 ===
178 178  
179 179  
180 -**1)** (% style="color:blue" %)**ISP**(%%): upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
180 +1) (% style="color:blue" %)**ISP**(%%): upgrade mode, device won't have any signal in this mode. but ready for upgrade firmware. LED won't work. Firmware won't run.
181 181  
182 -**2)** (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug
182 +2) (% style="color:blue" %)**Flash**(%%): work mode, device starts to work and send out console output for further debug
183 183  
184 184  
185 185  === 1.8.3 Reset Button ===
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220 220  
221 221  
222 222  
223 +
223 223  = 2. Use S31-NB to communicate with IoT Server =
224 224  
225 225  == 2.1 Send data to IoT server via NB-IoT network ==
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572 572  
573 573  * 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]]**.
574 574  
576 +
575 575  = 6. FAQ =
576 576  
577 577  == 6.1 How can I access t BC660K-GL AT Commands? ==
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582 582  [[See BC660K-GL AT Command set>>url:https://www.dropbox.com/sh/5f6ssda5fum8rvs/AABT68l8ZzWOvZ5eg2qwOoFda?dl=0]]
583 583  
584 584  
587 +
585 585  = 7. Order Info =
586 586  
587 587  
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593 593  
594 594  * (% style="color:#037691" %)**1D**(%%): with 1NCE* 10 years 500MB SIM card and Pre-configure to DataCake server
595 595  
596 -(% style="color:#037691" %)**1NCE SIM Card NB-IoT network coverage**(%%): Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Malta, Netherlands, Norway, Puerto Rico, Russia, Slovak , Republic, Slovenia, Spain, Sweden, Switzerland, Taiwan, USA, US Virgin Islands
599 +(% style="color:#037691" %)*** 1NCE SIM Card NB-IoT network coverage**(%%): Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Finland, Germany, Great Britain, Greece, Hungary, Ireland, Italy, Latvia, Malta, Netherlands, Norway, Puerto Rico, Russia, Slovak , Republic, Slovenia, Spain, Sweden, Switzerland, Taiwan, USA, US Virgin Islands
597 597  
598 598  
602 +
599 599  = 8. ​Packing Info =
600 600  
601 601  
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605 605  
606 606  * External antenna x 1
607 607  
612 +
608 608  (% style="color:#037691" %)**Dimension and weight**:
609 609  
610 610  * Device Size: 13.0 x 5 x 4.5 cm
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