Last modified by Bei Jinggeng on 2024/03/30 17:53
<
From version < 44.2 >
edited by Xiaoling
on 2022/09/07 17:54
To version < 56.8 >
edited by Xiaoling
on 2022/10/25 16:46
>
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Summary

Details

Page properties
Content
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1 1  (% style="text-align:center" %)
2 -[[image:)YK]Y_LZJIO]J2~~VA}OQJM2.png]]
2 +[[image:)YK]Y_LZJIO]J2~~VA}OQJM2.png||height="442" width="410"]]
3 3  
4 +**Table of Contents:**
4 4  
5 5  {{toc/}}
6 6  
7 7  
8 8  
9 -= 1. Introduction =
10 += 1.  Introduction =
10 10  
11 -== 1.1 ​What is NSPH01 Soil pH Sensor ==
12 12  
13 -The Dragino NSPH01 is a **NB-IOT soil ph sensor** for IoT of Agriculture. It is designed to measure the soil PH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
13 +== 1.1 ​ What is NSPH01 Soil pH Sensor ==
14 14  
15 -NSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** pH **with high accuracy and stable value. The NSPH01 probe can be buried into soil for long time use.
16 16  
16 +The Dragino NSPH01 is a (% style="color:blue" %)**NB-IoT soil pH sensor**(%%) for IoT of Agriculture. It is designed to measure the soil pH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
17 +
18 +NSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** (% style="color:blue" %)pH (%%)**with high accuracy and stable value. The NSPH01 probe can be buried into soil for long time use.
19 +
17 17  NarrowBand-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage.
18 -\\NSPH01 supports different uplink methods include **TCP,MQTT,UDP and CoAP  **for different application requirement.
19 -\\NSPH01 is powered by  **8500mAh Li-SOCI2 battery**, It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
20 -\\To use NSPH01, user needs to check if there is NB-IoT coverage in local area and with the bands NSPH01 supports. If the local operate support it, user needs to get a **NB-IoT SIM card** from local operator and install NSPH01 to get NB-IoT network connection.
21 21  
22 -(% style="text-align:center" %)
22 +NSPH01 supports different uplink methods include (% style="color:blue" %)**TCP,MQTT,UDP and CoAP  **(%%)for different application requirement.
23 +
24 +NSPH01 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 5 years. (Actually Battery life depends on the use environment, update period & uplink method)
25 +
26 +To use NSPH01, user needs to check if there is NB-IoT coverage in the installation area and with the bands NSPH01 supports. If the local operator supports it, user needs to get a (% style="color:blue" %)**NB-IoT SIM card** (%%)from local operator and install NSPH01 to get NB-IoT network connection.
27 +
28 +
23 23  [[image:image-20220907153151-1.png]]
24 24  
25 -(% style="text-align:center" %)
31 +
26 26  [[image:M_K`YF9`CAYAE\@}3T]FHT$9.png]]
27 27  
28 -== 1.2 Features ==
29 29  
35 +
36 +== 1.2  Features ==
37 +
38 +
30 30  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
31 31  * Monitor soil pH with temperature compensation.
32 32  * Monitor soil temperature
33 -* PH and Temperature alarm function
42 +* pH and Temperature alarm function
34 34  * Monitor Battery Level
35 35  * Support pH calibration by end user
36 36  * Uplink on periodically
... ... @@ -39,17 +39,20 @@
39 39  * IP68 rate for the Sensor Probe
40 40  * Ultra-Low Power consumption
41 41  * AT Commands to change parameters
42 -* Micro SIM card slot for NB-IoT SIM
51 +* Micro SIM card slot
43 43  * 8500mAh Battery for long term use
44 44  
54 +
55 +
45 45  == 1.3  Specification ==
46 46  
47 -**Common DC Characteristics:**
48 48  
59 +(% style="color:#037691" %)**Common DC Characteristics:**
60 +
49 49  * Supply Voltage: 2.1v ~~ 3.6v
50 50  * Operating Temperature: -40 ~~ 85°C
51 51  
52 -**NB-IoT Spec:**
64 +(% style="color:#037691" %)**NB-IoT Spec:**
53 53  
54 54  * - B1 @H-FDD: 2100MHz
55 55  * - B3 @H-FDD: 1800MHz
... ... @@ -58,10 +58,13 @@
58 58  * - B20 @H-FDD: 800MHz
59 59  * - B28 @H-FDD: 700MHz
60 60  
61 -== 1.4 Probe Specification ==
62 62  
63 -**Soil pH:**
64 64  
75 +== 1.4  Probe Specification ==
76 +
77 +
78 +(% style="color:#037691" %)**Soil pH:**
79 +
65 65  * Range: 3 ~~ 10 pH
66 66  * Resolution: 0.01 pH
67 67  * Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
... ... @@ -69,7 +69,7 @@
69 69  * IP68 Protection
70 70  * Length: 3.5 meters
71 71  
72 -**Soil Temperature:**
87 +(% style="color:#037691" %)**Soil Temperature:**
73 73  
74 74  * Range -40℃～85℃
75 75  * Resolution: 0.1℃
... ... @@ -77,202 +77,258 @@
77 77  * IP68 Protection
78 78  * Length: 3.5 meters
79 79  
80 -== 1.5 ​Applications ==
81 81  
96 +
97 +== 1.5  ​Applications ==
98 +
99 +
82 82  * Smart Agriculture
83 83  
84 -== 1.6 Pin mapping and power on ==
85 85  
86 -(% style="text-align:center" %)
103 +
104 +== 1.6  Pin mapping and power on ==
105 +
106 +
87 87  [[image:image-20220907153300-2.png]]
88 88  
89 89  
110 +
90 90  = 2.  Use NSPH01 to communicate with IoT Server =
91 91  
113 +
92 92  == 2.1  How it works ==
93 93  
116 +
94 94  The NSPH01 is equipped with a NB-IoT module, the pre-loaded firmware in NSPH01 will get environment data from sensors and send the value to local NB-IoT network via the NB-IoT module.  The NB-IoT network will forward this value to IoT server via the protocol defined by NSPH01.
95 95  
96 96  The diagram below shows the working flow in default firmware of NSPH01:
97 97  
98 -(% style="text-align:center" %)
121 +
99 99  [[image:image-20220907153416-3.png]]
100 100  
124 +
125 +
101 101  == 2.2 ​ Configure the NSPH01 ==
102 102  
128 +
103 103  === 2.2.1 Test Requirement ===
104 104  
105 -To use NSPH01 in your city, make sure meet below requirements:
106 106  
132 +To use NSPH01 in the field, make sure meet below requirements:
133 +
107 107  * Your local operator has already distributed a NB-IoT Network there.
108 108  * The local NB-IoT network used the band that NSPH01 supports.
109 109  * Your operator is able to distribute the data received in their NB-IoT network to your IoT server.
110 110  
111 -Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NSPH01 will use CoAP(120.24.4.116:5683) or raw UDP(120.24.4.116:5601) or MQTT(120.24.4.116:1883)or TCP(120.24.4.116:5600)protocol to send data to the test server
138 +Below figure shows our testing structure. Here we have NB-IoT network coverage by China Mobile, the band they use is B8.  The NSPH01 will use** CoAP(120.24.4.116:5683) **or raw **UDP(120.24.4.116:5601)** or **MQTT(120.24.4.116:1883)**or **TCP(120.24.4.116:5600)**protocol to send data to the test server.
112 112  
113 -(% style="text-align:center" %)
140 +
114 114  [[image:image-20220907153445-4.png]]
115 115  
116 116  
144 +
117 117  === 2.2.2 Insert SIM card ===
118 118  
119 -Insert the NB-IoT Card get from your provider.
120 120  
121 -User need to take out the NB-IoT module and insert the SIM card like below:
148 +User need to take out the NB-IoT module and insert the SIM card like below. ((% style="color:red" %) Pay attention to the direction(%%))
122 122  
123 -(% style="text-align:center" %)
150 +
124 124  [[image:image-20220907153505-5.png]]
125 125  
153 +
154 +
126 126  === 2.2.3 Connect USB – TTL to NSPH01 to configure it ===
127 127  
128 -User need to configure NSPH01 via serial port to set the **Server Address** / **Uplink Topic** to define where and how-to uplink packets. NSPH01 support AT Commands, user can use a USB to TTL adapter to connect to NSPH01 and use AT Commands to configure it, as below.
129 129  
130 -**Connection:**
158 +User need to configure NSPH01 via serial port to set the (% style="color:blue" %)**Server Address** / **Uplink Topic**(%%) to define where and how-to uplink packets. NSPH01 support AT Commands, user can use a USB to TTL adapter to connect to NSPH01 and use AT Commands to configure it, as below.
131 131  
132 - USB TTL GND <~-~-~-~-> GND
133 133  
134 - USB TTL TXD <~-~-~-~-> UART_RXD
161 +(% style="color:blue" %)**Connection:**
135 135  
136 - USB TTL RXD <~-~-~-~-> UART_TXD
163 +**~ (% style="background-color:yellow" %) USB TTL GND <~-~-~-~->  GND(%%)**
137 137  
165 +**~ (% style="background-color:yellow" %) USB TTL TXD  <~-~-~-~->  UART_RXD(%%)**
166 +
167 +**~ (% style="background-color:yellow" %) USB TTL RXD  <~-~-~-~->  UART_TXD(%%)**
168 +
169 +
138 138  In the PC, use below serial tool settings:
139 139  
140 -* Baud:  **9600**
141 -* Data bits:** 8**
142 -* Stop bits: **1**
143 -* Parity:  **None**
144 -* Flow Control: **None**
172 +* Baud:  (% style="color:green" %)**9600**
173 +* Data bits:**  (% style="color:green" %)8(%%)**
174 +* Stop bits:  (% style="color:green" %)**1**
175 +* Parity:  (% style="color:green" %)**None**
176 +* Flow Control: (% style="color:green" %)**None**
145 145  
146 -Make sure the switch is in FLASH position, then power on device by connecting the jumper on NSPH01. NSPH01 will output system info once power on as below, we can enter the **password: 12345678** to access AT Command input.
178 +Make sure the switch is in FLASH position, then power on device by connecting the jumper on NSPH01. NSPH01 will output system info once power on as below, we can enter the (% style="color:green" %)**password: 12345678**(%%) to access AT Command input.
147 147  
148 -(% style="text-align:center" %)
149 -[[image:image-20220907153529-6.png]]
150 150  
151 -**Note: the valid AT Commands can be found at:  **[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
181 +[[image:image-20220912144017-1.png]]
152 152  
183 +
184 +(% style="color:red" %)**Note: the valid AT Commands can be found at:**(%%)**  **[[**https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0**>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
185 +
186 +
187 +
153 153  === 2.2.4 Use CoAP protocol to uplink data ===
154 154  
155 -**Note: if you don't have CoAP server, you can refer this link to set up one: **[[**http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
156 156  
157 -**Use below commands:**
191 +(% style="color:red" %)**Note: if you don't have CoAP server, you can refer this link to set up one:**(%%)** **[[**http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Set%20up%20CoAP%20Server/]]
158 158  
159 -* **AT+PRO=1**   ~/~/ Set to use CoAP protocol to uplink
160 -* **AT+SERVADDR=120.24.4.116,5683   ** ~/~/ to set CoAP server address and port
161 -* **AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** ~/~/Set COAP resource path
162 162  
194 +(% style="color:blue" %)**Use below commands:**
195 +
196 +* (% style="color:#037691" %)**AT+PRO=1**                         (%%) ~/~/  Set to use CoAP protocol to uplink
197 +* (% style="color:#037691" %)**AT+SERVADDR=120.24.4.116,5683   ** (%%) ~/~/  to set CoAP server address and port
198 +* (% style="color:#037691" %)**AT+URI=5,11,"mqtt",11,"coap",12,"0",15,"c=text1",23,"0" ** (%%) ~/~/  Set COAP resource path
199 +
163 163  For parameter description, please refer to AT command set
164 164  
165 -(% style="text-align:center" %)
202 +
166 166  [[image:image-20220907153551-7.png||height="502" width="740"]]
167 167  
168 -After configure the server address and **reset the device** (via AT+ATZ ), NSPH01 will start to uplink sensor values to CoAP server.
169 169  
170 -(% style="text-align:center" %)
206 +After configure the server address and (% style="color:green" %)**reset the device (via AT+ATZ )**(%%), NSPH01 will start to uplink sensor values to CoAP server.
207 +
208 +
171 171  [[image:image-20220907153612-8.png||height="529" width="729"]]
172 172  
173 173  
212 +
174 174  === 2.2.5 Use UDP protocol to uplink data(Default protocol) ===
175 175  
215 +
176 176  This feature is supported since firmware version v1.0.1
177 177  
178 -* **AT+PRO=2   ** ~/~/ Set to use UDP protocol to uplink
179 -* **AT+SERVADDR=120.24.4.116,5601   ** ~/~/ to set UDP server address and port
180 -* **AT+CFM=1       ** ~/~/If the server does not respond, this command is unnecessar
218 +* (% style="color:blue" %)**AT+PRO=2   ** (%%) ~/~/  Set to use UDP protocol to uplink
219 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5601   ** (%%) ~/~/  to set UDP server address and port
220 +* (% style="color:blue" %)**AT+CFM=1       ** (%%) ~/~/  If the server does not respond, this command is unnecessar
181 181  
182 -(% style="text-align:center" %)
183 183  [[image:image-20220907153643-9.png||height="401" width="734"]]
184 184  
185 -(% style="text-align:center" %)
224 +
186 186  [[image:image-20220907153703-10.png||height="309" width="738"]]
187 187  
188 188  
228 +
189 189  === 2.2.6 Use MQTT protocol to uplink data ===
190 190  
231 +
191 191  This feature is supported since firmware version v110
192 192  
193 -* **AT+PRO=3   ** ~/~/Set to use MQTT protocol to uplink
194 -* **AT+SERVADDR=120.24.4.116,1883   ** ~/~/Set MQTT server address and port
195 -* **AT+CLIENT=CLIENT       ** ~/~/Set up the CLIENT of MQTT
196 -* **AT+UNAME=UNAME                               **~/~/Set the username of MQTT
197 -* **AT+PWD=PWD                                        **~/~/Set the password of MQTT
198 -* **AT+PUBTOPIC=NSE01_PUB                    **~/~/Set the sending topic of MQTT
199 -* **AT+SUBTOPIC=NSE01_SUB          ** ~/~/Set the subscription topic of MQTT
234 +* (% style="color:blue" %)**AT+PRO=3   ** (%%) ~/~/ Set to use MQTT protocol to uplink
235 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,1883   ** (%%) ~/~/ Set MQTT server address and port
236 +* (% style="color:blue" %)**AT+CLIENT=CLIENT       ** (%%) ~/~/ Set up the CLIENT of MQTT
237 +* (% style="color:blue" %)**AT+UNAME=UNAME                               **(%%)~/~/ Set the username of MQTT
238 +* (% style="color:blue" %)**AT+PWD=PWD                                        **(%%)~/~/ Set the password of MQTT
239 +* (% style="color:blue" %)**AT+PUBTOPIC=NSE01_PUB                    **(%%)~/~/ Set the sending topic of MQTT
240 +* (% style="color:blue" %)**AT+SUBTOPIC=NSE01_SUB          ** (%%) ~/~/ Set the subscription topic of MQTT
200 200  
201 -(% style="text-align:center" %)
202 202  [[image:image-20220907153739-11.png||height="491" width="764"]]
203 203  
204 -(% style="text-align:center" %)
244 +
205 205  [[image:image-20220907153751-12.png||height="555" width="769"]]
206 206  
247 +
207 207  MQTT protocol has a much higher power consumption compare vs UDP / CoAP protocol. Please check the power analyze document and adjust the uplink period to a suitable interval.
208 208  
250 +
251 +
209 209  === 2.2.7 Use TCP protocol to uplink data ===
210 210  
254 +
211 211  This feature is supported since firmware version v110
212 212  
213 -* **AT+PRO=4   ** ~/~/ Set to use TCP protocol to uplink
214 -* **AT+SERVADDR=120.24.4.116,5600   ** ~/~/ to set TCP server address and port
257 +* (% style="color:blue" %)**AT+PRO=4   ** (%%) ~/~/ Set to use TCP protocol to uplink
258 +* (% style="color:blue" %)**AT+SERVADDR=120.24.4.116,5600   ** (%%) ~/~/ to set TCP server address and port
215 215  
216 -(% style="text-align:center" %)
217 217  [[image:image-20220907153818-13.png||height="486" width="668"]]
218 218  
219 -(% style="text-align:center" %)
262 +
220 220  [[image:image-20220907153827-14.png||height="236" width="684"]]
221 221  
265 +
266 +
222 222  === 2.2.8 Change Update Interval ===
223 223  
224 -User can use below command to change the **uplink interval**.
225 225  
226 -* **AT+TDC=600      ** ~/~/ Set Update Interval to 600s
270 +Users can use the below command to change the **uplink interval**.
227 227  
228 -**NOTE:**
272 +* (% style="color:blue" %)**AT+TDC=7200      ** (%%) ~/~/ Set Update Interval to 7200s (2 hour)
229 229  
230 -**~1. By default, the device will send an uplink message every 2 hour.**
274 +(% style="color:red" %)**NOTE: By default, the device will send an uplink message every 2 hours. Each Uplink Include 8 set of records in this 2 hour (15 minute interval / record).**
231 231  
276 +
277 +
232 232  == 2.3  Uplink Payload ==
233 233  
280 +
234 234  In this mode, uplink payload includes 87 bytes in total by default.
235 235  
236 236  Each time the device uploads a data package, 8 sets of recorded data will be attached. Up to 32 sets of recorded data can be uploaded.
237 237  
238 -(% style="width:934px" %)
239 -|(% style="width:93px" %)**Size(bytes)**|(% style="width:82px" %)**8**|(% style="width:43px" %)**2**|(% style="width:41px" %)**2**|(% style="width:126px" %)**1**|(% style="width:54px" %)**1**|(% style="width:84px" %)1|(% style="width:75px" %)2|(% style="width:133px" %)2|(% style="width:70px" %)2|(% style="width:127px" %)4   
240 -|(% style="width:93px" %)**Value**|(% style="width:82px" %)Device ID|(% style="width:43px" %)Ver|(% style="width:41px" %)BAT|(% style="width:126px" %)Signal Strength|(% style="width:54px" %)MOD|(% style="width:84px" %)Interrupt|(% style="width:75px" %)Soil PH|(% style="width:133px" %)Soil Temperature|(% style="width:70px" %)Soil PH|(% style="width:127px" %)Time stamp  .....
285 +(% border="1.5" style="background-color:#ffffcc; color:green; width:520px" %)
286 +|=(% scope="row" style="width: 50px;" %)**Size(bytes)**|(% style="width:40px" %)**8**|(% style="width:20px" %)**2**|(% style="width:25px" %)**2**|(% style="width:60px" %)**1**|(% style="width:20px" %)**1**|(% style="width:40px" %)**1**|(% style="width:40px" %)**2**|(% style="width:50px" %)**2**|(% style="width:50px" %)**4**|(% style="width:50px" %)**2**|(% style="width:35px" %)**2**|(% style="width:40px" %)**4**
287 +|=(% style="width: 96px;" %)**Value**|(% style="width:83px" %)Device ID|(% style="width:44px" %)Ver|(% style="width:42px" %)BAT|(% style="width:124px" %)Signal Strength|(% style="width:57px" %)MOD|(% style="width:80px" %)Interrupt|(% style="width:69px" %)Soil PH|(% style="width:134px" %)Soil Temperature|(% style="width:98px" %)Time stamp|(% style="width:134px" %)Soil Temperature|(% style="width:68px" %)Soil PH|(% style="width:125px" %)Time stamp  .....
241 241  
242 -|**Size(bytes)**|**8**|**2**|**2**|1|1|1|2|2|4|2|2|4
243 -|**Value**|Device ID|Ver|BAT|Signal Strength|MOD|Interrupt|Soil PH|Soil Temperature|Time stamp|Soil Temperature|Soil PH|Time stamp  .....
244 -
245 245  If we use the MQTT client to subscribe to this MQTT topic, we can see the following information when the NSPH01 uplink data.
246 246  
247 -(% style="text-align:center" %)
248 248  [[image:image-20220907153902-15.png||height="581" width="804"]]
249 249  
250 250  
294 +(((
251 251  The payload is ASCII string, representative same HEX:
296 +)))
252 252  
253 -0xf86841105675413800640c781701000225010b6315537b010b0226631550fb010e022663154d7701110225631549f1011502246315466b01190223631542e5011d022163153f62011e022163153bde011e022163153859 where:
298 +(((
299 +
300 +)))
254 254  
255 -* Device ID: 0xf868411056754138 = f868411056754138
256 -* Version: 0x0064=100=1.0.0
302 +(((
303 +**0x (% style="color:red" %)__f868411056754138__  (% style="color:blue" %)__0064 __ (% style="color:green" %)__0c78__  (% style="color:#00b0f0" %)__17__  (% style="color:#7030a0" %)__01__  (% style="color:#d60093" %)__00__  (% style="color:#a14d07" %)__0225 __ (% style="color:#0020b0" %) __010b__  (% style="color:#420042" %)__6315537b__  (% style="color:#663300" %)//__010b0226631550fb__  __010e022663154d77  01110225631549f1  011502246315466b  01190223631542e5  011d022163153f62  011e022163153bde 011e022163153859__//(%%)**
304 +)))
257 257  
258 -* BAT: 0x0c78 = 3192 mV = 3.192V
259 -* Singal: 0x17 = 23
260 -* Mod: 0x01 = 1
261 -* Interrupt: 0x00= 0
262 -* Soil PH: 0x0225= 549 = 5.49
263 -* Soil Temperature:0x010B =267=26.7 °C
264 -* Time stamp : 0x6315537b =1662342011
265 -* Soil Temperature,Soil PH,Time stamp : 010b0226631550fb
266 -* 8 sets of recorded data: Temperature,Soil PH,Time stamp : 010e022663154d77,.......
306 +(((
307 +
267 267  
309 +**where:**
310 +)))
311 +
312 +* (% style="color:#037691" %)**Device ID:**(%%)** **0xf868411056754138 = f868411056754138
313 +
314 +* (% style="color:#037691" %)**Version:**  (%%) 0x0064=100=1.0.0
315 +
316 +* (% style="color:#037691" %)**BAT:**   (%%) 0x0c78 = 3192 mV = 3.192V
317 +
318 +* (% style="color:#037691" %)**Singal:** (%%)0x17 = 23
319 +
320 +* (% style="color:#037691" %)**Mod:** (%%) 0x01 = 1
321 +
322 +* (% style="color:#037691" %)**Interrupt:**(%%) 0x00= 0
323 +
324 +* (% style="color:#037691" %)**Soil PH:** (%%) 0x0225= 549 = 5.49
325 +
326 +* (% style="color:#037691" %)**Soil Temperature:**(%%) 0x010b =267=26.7 °C
327 +
328 +* (% style="color:#037691" %)**Time stamp :**   (%%) 0x6315537b =1662342011  ([[Unix Epoch Time>>url:http://www.epochconverter.com/]])
329 +
330 +* (% style="color:#037691" %)**Soil Temperature,Soil PH,Time stamp : **(%%) 010b0226631550fb
331 +
332 +* (% style="color:#037691" %)**8 sets of recorded data:**(%%) Temperature,Soil PH,Time stamp :  010e022663154d77,.......
333 +
334 +
335 +
268 268  == 2.4  Payload Explanation and Sensor Interface ==
269 269  
338 +
270 270  === 2.4.1  Device ID ===
271 271  
341 +
272 272  By default, the Device ID equal to the last 15 bits of IMEI.
273 273  
274 -User can use **AT+DEUI** to set Device ID
344 +User can use (% style="color:blue" %)**AT+DEUI** (%%)to set Device ID
275 275  
346 +
276 276  **Example:**
277 277  
278 278  AT+DEUI=868411056754138
... ... @@ -279,14 +279,20 @@
279 279  
280 280  The Device ID is stored in a none-erase area, Upgrade the firmware or run AT+FDR won't erase Device ID.
281 281  
353 +
354 +
282 282  === 2.4.2  Version Info ===
283 283  
357 +
284 284  Specify the software version: 0x64=100, means firmware version 1.00.
285 285  
286 286  For example: 0x00 64 : this device is NSPH01 with firmware version 1.0.0.
287 287  
362 +
363 +
288 288  === 2.4.3  Battery Info ===
289 289  
366 +
290 290  Check the battery voltage for NSPH01.
291 291  
292 292  Ex1: 0x0B45 = 2885mV
... ... @@ -293,8 +293,11 @@
293 293  
294 294  Ex2: 0x0B49 = 2889mV
295 295  
373 +
374 +
296 296  === 2.4.4  Signal Strength ===
297 297  
377 +
298 298  NB-IoT Network signal Strength.
299 299  
300 300  **Ex1: 0x1d = 29**
... ... @@ -309,18 +309,25 @@
309 309  
310 310  **99**    Not known or not detectable
311 311  
392 +
393 +
312 312  === 2.4.5  Soil PH ===
313 313  
396 +
314 314  Get the PH content of the soil. The value range of the register is 300-1000(Decimal), divide this value by 100 to get the percentage of PH in the soil.
315 315  
316 -For example, if the data you get from the register is **__0x05 0xDC__**, the PH content in the soil is
399 +For example, if the data you get from the register is (% style="color:blue" %)**__0x05 0xDC__**(%%), the PH content in the soil is
317 317  
318 -**0229(H) = 549(D) /100 = 5.49.**
401 +(% style="color:blue" %)**0229(H) = 549(D) /100 = 5.49.**
319 319  
403 +
404 +
320 320  === 2.4.6  Soil Temperature ===
321 321  
322 -Get the temperature in the soil. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the soil. For example, if the data you get from the register is **__0x09 0xEC__**, the temperature content in the soil is
323 323  
408 +Get the temperature in the soil. The value range of the register is -4000 - +800(Decimal), divide this value by 100 to get the temperature in the soil. For example, if the data you get from the register is (% style="color:blue" %)**__0x09 0xEC__**(%%), the temperature content in the soil is
409 +
410 +
324 324  **Example**:
325 325  
326 326  If payload is 0105H: ((0x0105 & 0x8000)>>15 === 0),temp = 0105(H)/10 = 26.1 °C
... ... @@ -327,56 +327,62 @@
327 327  
328 328  If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/10 = -12.9 °C
329 329  
417 +
418 +
330 330  === 2.4.7  Timestamp ===
331 331  
421 +
332 332  Time stamp : 0x6315537b =1662342011
333 333  
334 334  Convert Unix timestamp to time 2022-9-5 9:40:11.
335 335  
426 +
427 +
336 336  === 2.4.8  Digital Interrupt ===
337 337  
338 -Digital Interrupt refers to pin **GPIO_EXTI**, and there are different trigger methods. When there is a trigger, the NSPH01 will send a packet to the server.
339 339  
431 +Digital Interrupt refers to pin (% style="color:blue" %)**GPIO_EXTI**(%%), and there are different trigger methods. When there is a trigger, the NSPH01 will send a packet to the server.
432 +
340 340  The command is:
341 341  
342 -**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]])**.**
435 +(% 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]])**.**
343 343  
344 344  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.
345 345  
346 -Example:
347 347  
440 +**Example:**
441 +
348 348  0x(00): Normal uplink packet.
349 349  
350 350  0x(01): Interrupt Uplink Packet.
351 351  
446 +
447 +
352 352  === 2.4.9  ​+5V Output ===
353 353  
450 +
354 354  NSPH01 will enable +5V output before all sampling and disable the +5v after all sampling. 
355 355  
356 356  The 5V output time can be controlled by AT Command.
357 357  
358 -**AT+5VT=1000**
455 +(% style="color:blue" %)**AT+5VT=1000**
359 359  
360 360  Means set 5V valid time to have 1000ms. So the real 5V output will actually have 1000ms + sampling time for other sensors.** **
361 361  
362 362  
460 +
363 363  == 2.5  Downlink Payload ==
364 364  
463 +
365 365  By default, NSPH01 prints the downlink payload to console port.
366 366  
367 -(% style="text-align:center" %)
368 368  [[image:image-20220907154636-17.png]]
369 369  
370 370  
469 +(% style="color:blue" %)**Examples:**
371 371  
471 +* (% style="color:#037691" %)** Set TDC**
372 372  
373 -
374 -
375 -
376 -**Examples:**
377 -
378 -* **Set TDC**
379 -
380 380  If the payload=0100003C, it means set the END Node's TDC to 0x00003C=60(S), while type code is 01.
381 381  
382 382  Payload:    01 00 00 1E    TDC=30S
... ... @@ -383,16 +383,19 @@
383 383  
384 384  Payload:    01 00 00 3C    TDC=60S
385 385  
386 -* **Reset**
479 +* (% style="color:#037691" %)** Reset**
387 387  
388 388  If payload = 0x04FF, it will reset the NSPH01
389 389  
390 -* **INTMOD**
483 +* (% style="color:#037691" %)** INTMOD**
391 391  
392 392  Downlink Payload: 06000003, Set AT+INTMOD=3
393 393  
487 +
488 +
394 394  == 2.6  ​LED Indicator ==
395 395  
491 +
396 396  The NSPH01 has an internal LED which is to show the status of different state.
397 397  
398 398  * When power on, NSPH01 will detect if sensor probe is connected, if probe detected, LED will blink four times. (no blinks in this step is no probe)
... ... @@ -400,16 +400,24 @@
400 400  * After NSPH01 join NB-IoT network. The LED will be ON for 3 seconds.
401 401  * For each uplink probe, LED will be on for 500ms.
402 402  
403 -== 2.7 Installation and Maintain ==
404 404  
405 -=== 2.7.1 Before measurement ===
406 406  
501 +== 2.7  Installation and Maintain ==
502 +
503 +
504 +=== 2.7.1  Before measurement ===
505 +
506 +
407 407  If the NSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy. 
408 408  
409 -=== 2.7.2 Measurement ===
410 410  
411 -**Measurement the soil surface:**
412 412  
511 +=== 2.7.2  Measurement ===
512 +
513 +
514 +(% style="color:#037691" %)**Measurement the soil surface:**
515 +
516 +
413 413  [[image:image-20220907154700-18.png]] ​
414 414  
415 415  Choose the proper measuring position. Split the surface soil according to the measured deep.
... ... @@ -420,14 +420,18 @@
420 420  
421 421  Put soil over the probe after insert. And start to measure.
422 422  
423 -**Measurement inside soil:**
424 424  
528 +(% style="color:#037691" %)**Measurement inside soil:**
529 +
425 425  Dig a hole with diameter > 20CM.
426 426  
427 427  Insert the probe inside, method like measure the surface.
428 428  
429 -=== 2.7.3 Maintain Probe ===
430 430  
535 +
536 +=== 2.7.3  Maintain Probe ===
537 +
538 +
431 431  1. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
432 432  1. After long time use (3~~ 6  months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it.
433 433  1. Probe reference electrode is also no strong, need to avoid strong force or hitting.
... ... @@ -435,12 +435,15 @@
435 435  1. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
436 436  1. The probe is IP68 can be put in water.
437 437  
438 -== 2.8 PH and Temperature alarm function ==
439 439  
440 -➢ AT Command:
441 441  
442 -AT+ PHALARM=min,max
548 +== 2.8  PH and Temperature alarm function ==
443 443  
550 +
551 +(% style="color:#037691" %)**➢ AT Command:**
552 +
553 +(% style="color:blue" %)**AT+ PHALARM=min,max**
554 +
444 444  ² When min=3, and max≠0, Alarm higher than max
445 445  
446 446  ² When min≠0, and max=0, Alarm lower than min
... ... @@ -447,10 +447,11 @@
447 447  
448 448  ² When min≠0 and max≠0, Alarm higher than max or lower than min
449 449  
450 -Example:
451 451  
452 -AT+ PHALARM =5,8 ~/~/ Alarm when PH lower than 5.
562 +(% style="color:blue" %)**Example:**
453 453  
564 +AT+ PHALARM =5,8  ~/~/ Alarm when PH lower than 5.
565 +
454 454  AT+ TEMPALARM=min,max
455 455  
456 456  ² When min=0, and max≠0, Alarm higher than max
... ... @@ -459,55 +459,71 @@
459 459  
460 460  ² When min≠0 and max≠0, Alarm higher than max or lower than min
461 461  
462 -Example:
463 463  
464 -AT+ TEMPALARM=20,30 ~/~/ Alarm when temperature lower than 20.
575 +(% style="color:blue" %)**Example:**
465 465  
577 +AT+ TEMPALARM=20,30  ~/~/ Alarm when temperature lower than 20.
466 466  
467 -== 2.9 Set the number of data to be uploaded and the recording time ==
468 468  
469 -➢ AT Command:
470 470  
471 -AT+TR=900  ~/~/The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
581 +== 2.9  Set the number of data to be uploaded and the recording time ==
472 472  
473 473  
474 -AT+NOUD=8  ~/~/The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
584 +(% style="color:#037691" %)**➢ AT Command:**
475 475  
476 -== 2.10 Read or Clear cached data ==
586 +* (% style="color:blue" %)**AT+TR=900**     (%%) ~/~/  The unit is seconds, and the default is to record data once every 900 seconds.( The minimum can be set to 180 seconds)
587 +* (% style="color:blue" %)**AT+NOUD=8**     (%%) ~/~/  The device uploads 8 sets of recorded data by default. Up to 32 sets of record data can be uploaded.
477 477  
478 -➢ AT Command:
589 + The diagram below explains the relationship between TR, NOUD, and TDC more clearly**:**
479 479  
480 -AT+CDP ~/~/ Read cached data
591 +[[image:image-20221009000933-1.png||height="750" width="1043"]]
481 481  
593 +
594 +
595 +== 2.10  Read or Clear cached data ==
596 +
597 +
598 +(% style="color:#037691" %)**➢ AT Command:**
599 +
600 +* (% style="color:blue" %)**AT+CDP**        (%%) ~/~/  Read cached data
601 +* (% style="color:blue" %)**AT+CDP=0**    (%%) ~/~/  Clear cached data
602 +
482 482  [[image:image-20220907154700-19.png]]
483 483  
484 484  
485 -AT+CDP=0 ~/~/ Clear cached data
486 486  
607 +== 2.11  Calibration ==
487 487  
488 -== 2.11 Calibration ==
489 489  
490 490  User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable).
491 491  
492 492  After stable, user can use below command to calibrate.
493 493  
614 +
494 494  [[image:image-20220907154700-20.png]] ​
495 495  
617 +
618 +
496 496  == 2.12  ​Firmware Change Log ==
497 497  
498 -Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/1zmcakvbkf24f8x/AACmq2dZ3iRB9F1nVWeEB9Moa?dl=0>>url:https://www.dropbox.com/sh/1zmcakvbkf24f8x/AACmq2dZ3iRB9F1nVWeEB9Moa?dl=0]]
499 499  
500 -Upgrade Instruction: [[Upgrade Firmware>>path:#H5.1200BHowtoUpgradeFirmware]]
622 +Download URL & Firmware Change log: [[https:~~/~~/www.dropbox.com/sh/1tv07fro2pvjqj8/AAD-2wbfGfluTZfh38fQqdA_a?dl=0>>https://www.dropbox.com/sh/1tv07fro2pvjqj8/AAD-2wbfGfluTZfh38fQqdA_a?dl=0]]
501 501  
624 +Upgrade Instruction: [[Upgrade Firmware>>||anchor="H5.1200BHowtoUpgradeFirmware"]]
625 +
626 +
627 +
502 502  == 2.13  ​Battery Analysis ==
503 503  
630 +
504 504  === 2.13.1  ​Battery Type ===
505 505  
633 +
506 506  The NSPH01 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.
507 507  
508 508  The battery is designed to last for several years depends on the actually use environment and update interval. 
509 509  
510 -The battery related documents as below:
638 +The battery-related documents as below:
511 511  
512 512  * [[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
513 513  * [[Lithium-Thionyl Chloride Battery datasheet>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/ER26500/]]
... ... @@ -515,15 +515,18 @@
515 515  
516 516  [[image:image-20220907154700-21.png]] ​
517 517  
646 +
647 +
518 518  === 2.13.2  Power consumption Analyze ===
519 519  
650 +
520 520  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.
521 521  
522 522  Instruction to use as below:
523 523  
524 -**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/]]
655 +(% 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/]]
525 525  
526 -**Step 2: ** Open it and choose
657 +(% style="color:blue" %)**Step 2: **(%%) Open it and choose
527 527  
528 528  * Product Model
529 529  * Uplink Interval
... ... @@ -531,34 +531,45 @@
531 531  
532 532  And the Life expectation in difference case will be shown on the right.
533 533  
534 -(% style="text-align:center" %)
665 +
535 535  [[image:image-20220907154700-22.jpeg]]
536 536  
537 537  ​
538 538  
670 +
539 539  === 2.13.3  ​Battery Note ===
540 540  
673 +
541 541  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.
542 542  
676 +
677 +
543 543  === 2.13.4  Replace the battery ===
544 544  
680 +
545 545  The default battery pack of NSPH01 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).
546 546  
683 +
684 +
547 547  = 3. ​ Access NB-IoT Module =
548 548  
687 +
549 549  Users can directly access the AT command set of the NB-IoT module.
550 550  
551 551  The AT Command set can refer the BC35-G NB-IoT Module AT Command: [[https:~~/~~/www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/>>url:https://www.dragino.com/downloads/index.php?dir=datasheet/other_vendors/BC35-G/]] 
552 552  
553 -(% style="text-align:center" %)
692 +
554 554  [[image:image-20220907154700-23.png]]
555 555  
556 556  ​
557 557  
697 +
558 558  = 4.  Using the AT Commands =
559 559  
700 +
560 560  == 4.1  Access AT Commands ==
561 561  
703 +
562 562  See this link for detail:  [[https:~~/~~/www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0>>url:https://www.dropbox.com/sh/351dwor6joz8nwh/AADn1BQaAAxLF_QMyU8NkW47a?dl=0]]
563 563  
564 564  AT+<CMD>?  : Help on <CMD>
... ... @@ -569,8 +569,9 @@
569 569  
570 570  AT+<CMD>=?  : Get the value
571 571  
572 -**General Commands**      
573 573  
715 +(% style="color:#037691" %)**General Commands**      
716 +
574 574  AT  : Attention       
575 575  
576 576  AT?  : Short Help     
... ... @@ -595,13 +595,18 @@
595 595  
596 596  AT+TR      : Get or Set record time"
597 597  
741 +AT+APN     : Get or set the APN
598 598  
599 -AT+NOUD      : Get or Set the number of data to be uploaded
743 +AT+FBAND   : Get or Set whether to automatically modify the frequency band
600 600  
745 +AT+DNSCFG  : Get or Set DNS Server
601 601  
602 -AT+CDP     : Read or Clear cached data
747 +AT+GETSENSORVALUE   : Returns the current sensor measurement
603 603  
749 +AT+NOUD      : Get or Set the number of data to be uploaded
604 604  
751 +AT+CDP     : Read or Clear cached data
752 +
605 605  AT+TEMPALARM      : Get or Set alarm of temp
606 606  
607 607  AT+PHALARM     : Get or Set alarm of PH
... ... @@ -609,16 +609,18 @@
609 609  AT+ PHCAL  : calibrate PH value
610 610  
611 611  
612 -**COAP Management**      
760 +(% style="color:#037691" %)**COAP Management**      
613 613  
614 614  AT+URI            : Resource parameters
615 615  
616 -**UDP Management**
617 617  
765 +(% style="color:#037691" %)**UDP Management**
766 +
618 618  AT+CFM          : Upload confirmation mode (only valid for UDP)
619 619  
620 -**MQTT Management**
621 621  
770 +(% style="color:#037691" %)**MQTT Management**
771 +
622 622  AT+CLIENT               : Get or Set MQTT client
623 623  
624 624  AT+UNAME  : Get or Set MQTT Username
... ... @@ -629,54 +629,80 @@
629 629  
630 630  AT+SUBTOPIC  : Get or Set MQTT subscription topic
631 631  
632 -**Information**          
633 633  
783 +(% style="color:#037691" %)**Information**          
784 +
634 634  AT+FDR  : Factory Data Reset
635 635  
636 636  AT+PWORD  : Serial Access Password
637 637  
789 +
790 +
638 638  = ​5.  FAQ =
639 639  
793 +
640 640  == 5.1 ​ How to Upgrade Firmware ==
641 641  
796 +
642 642  User can upgrade the firmware for 1) bug fix, 2) new feature release.
643 643  
644 644  Please see this link for how to upgrade:  [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H2.HardwareUpgradeMethodSupportList]]
645 645  
646 -**Notice, **NSPH01 **and **NSPH01 **share the same mother board. They use the same connection and method to update.**
801 +(% style="color:red" %)**Notice, NSPH01 and LSPH01 share the same mother board. They use the same connection and method to update.**
647 647  
803 +
804 +
648 648  == 5.2  Can I calibrate NSPH01 to different soil types? ==
649 649  
807 +
650 650  NSPH01 is calibrated for saline-alkali soil and loamy soil. If users want to use it for other soil, they can calibrate the value in the IoT platform base on the value measured by saline-alkali soil and loamy soil. The formula can be found at [[this link>>url:https://www.dragino.com/downloads/downloads/LoRa_End_Node/LSE01/Calibrate_to_other_Soil_20220605.pdf]].
651 651  
810 +
811 +
652 652  = 6.  Trouble Shooting =
653 653  
814 +
654 654  == 6.1  ​Connection problem when uploading firmware ==
655 655  
817 +
656 656  **Please see: **[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/#H3.3Troubleshooting]]
657 657  
820 +
821 +
658 658  == 6.2  AT Command input doesn't work ==
659 659  
660 -In the case if user can see the console output but can't type input to the device. Please check if you already include the **ENTER** while sending out the command. Some serial tool doesn't send **ENTER** while press the send key, user need to add ENTER in their string.
661 661  
825 +In the case if user can see the console output but can't type input to the device. Please check if you already include the (% style="color:green" %)**ENTER**(%%) while sending out the command. Some serial tool doesn't send (% style="color:green" %)**ENTER** (%%)while press the send key, user need to add ENTER in their string.
826 +
827 +
828 +
662 662  = 7. ​ Order Info =
663 663  
831 +
664 664  Part Number**:** NSPH01
665 665  
834 +
835 +
666 666  = 8.  Packing Info =
667 667  
838 +
668 668  **Package Includes**:
669 669  
670 -* NSPH01 NB-IoT Soil Moisture & EC Sensor x 1
841 +* NSPH01 NB-IoT pH Sensor x 1
671 671  * External antenna x 1
672 672  
673 673  **Dimension and weight**:
674 674  
675 -* Size: 195 x 125 x 55 mm
676 -* Weight:   420g
846 +* Device Size: cm
847 +* Device Weight: g
848 +* Package Size / pcs : cm
849 +* Weight / pcs : g
677 677  
851 +
852 +
678 678  = 9.  Support =
679 679  
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680 680  * Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
681 681  * Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
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