Changes for page N95S31B -- NB-IoT Temperature & Humidity Sensor User Manual

Last modified by Mengting Qiu on 2024/04/02 16:44

From version < 115.7 >

edited by Xiaoling
on 2022/07/09 17:33

To version < 114.2 >

edited by Xiaoling
on 2022/07/09 16:12

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@@ -41,6 +41,7 @@
  == 1.2  Features ==
++
  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
  * Monitor Temperature & Humidity via SHT31
  * AT Commands to change parameters
@@ -53,8 +53,6 @@
  * 8500mAh Battery for long term use
--
--
  == 1.3  Specification ==
@@ -82,8 +82,6 @@
  * Max boost current: 2A, 1 second
--
--
  == 1.4  Applications ==
  * Smart Buildings & Home Automation
@@ -132,6 +132,7 @@
 . Send an uplink packet
++
  = 2.  Use N95S31B to communicate with IoT Server =
  == 2.1  How it works ==
@@ -378,6 +378,7 @@
++
  === 2.3.1  Payload Analyze ===
  N95S31B uplink payload includes in total 21 bytes
@@ -410,30 +410,43 @@
  [[image:1657354294009-643.png]]
++(((
++The payload is ASCII string, representative same HEX:
++)))
--The payload is ASCII string, representative same HEX: 0x724031607457006e0ccd1b0100dc000ccc00e10186 where:
++(((
++0x72403155615900640c6c19029200 where:
++)))
--* Device ID: 0x724031607457 = 724031607457
--* Version: 0x006e=110=1.1.0
++* (((
++Device ID: 0x724031556159 = 724031556159
++)))
++* (((
++Version: 0x0064=100=1.0.0
++)))
--* BAT: 0x0ccd = 3277 mV = 3.277V
--* Signal: 0x1b = 27
--* Model: 0x01 = 1
--* 0x00dc000ccc= reserve, ignore in N95S31B
--* Temperature by SHT31: 0x00e1 = 225 = 22.5 °C
--* Humidity by SHT31: 0x0186 = 390 = 39.0 %rh
--
--(((
--
++* (((
++BAT: 0x0c6c = 3180 mV = 3.180V
  )))
++* (((
++Signal: 0x19 = 25
++)))
++* (((
++Distance: 0x0292= 658 mm
++)))
++* (((
++Interrupt: 0x00 = 0
--(((
++
++
  )))
++== 2.4  Payload Explanation and Sensor Interface ==
--=== 2.3.2  Device ID ===
++=== 2.4.1  Device ID ===
++
  (((
  By default, the Device ID equal to the last 6 bytes of IMEI.
  )))
@@ -456,25 +456,20 @@
--=== 2.3.3  Version Info ===
++=== 2.4.2  Version Info ===
++(((
++Specify the software version: 0x64=100, means firmware version 1.00.
++)))
--These bytes include the hardware and software version.
--
--Higher byte: Specify hardware version: always 0x00 for N95S31B
--
--Lower byte: Specify the software version: 0x6E=110, means firmware version 110
--
--
--For example: 0x00 6E: this device is N95S31B with firmware version 110.
--
  (((
--
++For example: 0x00 64 : this device is NDDS75 with firmware version 1.0.0.
  )))
--=== 2.3.4  Battery Info ===
++=== 2.4.3  Battery Info ===
++
  (((
  Ex1: 0x0B45 = 2885mV
  )))
@@ -485,7 +485,7 @@
--=== 2.3.5  Signal Strength ===
++=== 2.4.4  Signal Strength ===
  (((
  NB-IoT Network signal Strength.
@@ -517,24 +517,83 @@
--=== 2.3.6  Temperature & Humidity ===
++=== 2.4.5  Distance ===
--The device will be able to get the SHT31 temperature and humidity data now and upload to IoT Server.
++Get the distance. Flat object range 280mm - 7500mm.
--[[image:image-20220709161741-3.png]]
++(((
++For example, if the data you get from the register is **__0x0B 0x05__**, the distance between the sensor and the measured object is
++)))
++(((
++(((
++(% style="color:blue" %)**                                                        0B05(H) = 2821(D) = 2821mm.**
++)))
++)))
--Convert the read byte to decimal and divide it by ten.
++(((
++
++)))
++(((
++
++)))
--**Example:**
++=== 2.4.6  Digital Interrupt ===
--Temperature:  Read:00ec (H) = 236(D)  Value:  236 /10=23.6℃
++(((
++Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NDDS75 will send a packet to the server.
++)))
--Humidity:    Read:0295(H)=661(D)    Value:  661 / 10=66.1, So 66.1%
++(((
++The command is:
++)))
++(((
++(% style="color:blue" %)**AT+INTMOD=3 **(%%)   ~/~/(more info about INMOD please refer [[**AT Command Manual**>>url:https://www.dragino.com/downloads/downloads/NB-IoT/NBSN95/DRAGINO_NBSN95-NB_AT%20Commands_v1.1.0.pdf]])**.**
++)))
++(((
++The lower four bits of this data field shows if this packet is generated by interrupt or not. Click here for the hardware and software set up.
++)))
++
++
++(((
++Example:
++)))
++
++(((
++0x(00): Normal uplink packet.
++)))
++
++(((
++0x(01): Interrupt Uplink Packet.
++)))
++
++
++
++=== 2.4.7  +5V Output ===
++
++(((
++NDDS75 will enable +5V output before all sampling and disable the +5v after all sampling.
++)))
++
++
++(((
++The 5V output time can be controlled by AT Command.
++)))
++
++(((
++(% style="color:blue" %)**AT+5VT=1000**
++)))
++
++(((
++Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.
++)))
++
++
++
  == 2.5  Downlink Payload ==
  By default, NDDS75 prints the downlink payload to console port.
@@ -587,16 +587,51 @@
--== 2.5  Battery Analysis ==
++== 2.6  LED Indicator ==
--=== 2.5.1  Battery Type ===
++The NDDS75 has an internal LED which is to show the status of different state.
++
++* When power on, NDDS75 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
++* Then the LED will be on for 1 second means device is boot normally.
++* After NDDS75 join NB-IoT network. The LED will be ON for 3 seconds.
++* For each uplink probe, LED will be on for 500ms.
++
  (((
--The N95S31B battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-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.
++
  )))
++
++
++== 2.7  Firmware Change Log ==
++
++
  (((
++Download URL & Firmware Change log
++)))
++
++(((
++[[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/NDDS75/Firmware/]]
++)))
++
++
++(((
++Upgrade Instruction: [[Upgrade_Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
++)))
++
++
++
++== 2.8  Battery Analysis ==
++
++=== 2.8.1  Battery Type ===
++
++
++(((
++The NDDS75 battery is a combination of an 8500mAh Li/SOCI2 Battery and a Super Capacitor. The battery is none-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.
++)))
++
++(((
  The battery is designed to last for several years depends on the actually use environment and update interval.
  )))
@@ -614,28 +614,55 @@
--=== 2.5.2  Power consumption Analyze ===
++=== 2.8.2  Power consumption Analyze ===
  (((
--The file **DRAGINO_N95S31B-Power-Analyzer.pdf** from [[https:~~/~~/www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/>>url:https://www.dragino.com/downloads/index.php?dir=NB-IoT/N95S31B/]] describes a detail measurement to analyze the power consumption in different case. User can use it for design guideline for their project.
++Dragino battery powered product are all runs in Low Power mode. We have an update battery calculator which base on the measurement of the real device. User can use this calculator to check the battery life and calculate the battery life if want to use different transmit interval.
  )))
++
  (((
--
++Instruction to use as below:
  )))
++(((
++(% style="color:blue" %)**Step 1:  **(%%)Downlink the up-to-date DRAGINO_Battery_Life_Prediction_Table.xlsx from: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/Battery_Analyze/]]
++)))
--=== 2.5.3  Battery Note ===
  (((
--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 uplink data, then the battery life may be decreased.
++(% style="color:blue" %)**Step 2: **(%%) Open it and choose
  )))
++* (((
++Product Model
++)))
++* (((
++Uplink Interval
++)))
++* (((
++Working Mode
++)))
++(((
++And the Life expectation in difference case will be shown on the right.
++)))
--=== 2.5.4  Replace the battery ===
++[[image:image-20220709110451-3.png]]
++
++
++=== 2.8.3  Battery Note ===
++
  (((
++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.
++)))
++
++
++
++=== 2.8.4  Replace the battery ===
++
++(((
  The default battery pack of NDDS75 includes a ER26500 plus super capacitor. If user can't find this pack locally, they can find ER26500 or equivalence without the SPC1520 capacitor, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes).
  )))

image-20220709161741-3.png

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