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7 7  
8 8  
9 9  
10 -= 1. Introduction =
10 += 1.  Introduction =
11 11  
12 12  
13 -== 1.1 ​What is NSPH01 Soil pH Sensor ==
13 +== 1.1 ​ What is NSPH01 Soil pH Sensor ==
14 14  
15 15  
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.
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 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.
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 19  
20 20  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.
21 -\\NSPH01 supports different uplink methods include **(% style="color:blue" %)TCP,MQTT,UDP and CoAP  **(%%)for different application requirement.
22 -\\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)
23 -\\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.
21 +\\NSPH01 supports different uplink methods include (% style="color:blue" %)**TCP,MQTT,UDP and CoAP  **(%%)for different application requirement.
22 +\\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)
23 +\\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.
24 24  
25 -(% style="text-align:center" %)
25 +
26 26  [[image:image-20220907153151-1.png]]
27 27  
28 -(% style="text-align:center" %)
28 +
29 29  [[image:M_K`YF9`CAYAE\@}3T]FHT$9.png]]
30 30  
31 -== 1.2 Features ==
32 32  
32 +
33 +== 1.2  Features ==
34 +
35 +
33 33  * NB-IoT Bands: B1/B3/B8/B5/B20/B28 @H-FDD
34 34  * Monitor soil pH with temperature compensation.
35 35  * Monitor soil temperature
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45 45  * Micro SIM card slot
46 46  * 8500mAh Battery for long term use
47 47  
51 +
52 +
48 48  == 1.3  Specification ==
49 49  
50 -**Common DC Characteristics:**
51 51  
56 +(% style="color:#037691" %)**Common DC Characteristics:**
57 +
52 52  * Supply Voltage: 2.1v ~~ 3.6v
53 53  * Operating Temperature: -40 ~~ 85°C
54 54  
55 -**NB-IoT Spec:**
56 56  
62 +(% style="color:#037691" %)**NB-IoT Spec:**
63 +
57 57  * - B1 @H-FDD: 2100MHz
58 58  * - B3 @H-FDD: 1800MHz
59 59  * - B8 @H-FDD: 900MHz
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61 61  * - B20 @H-FDD: 800MHz
62 62  * - B28 @H-FDD: 700MHz
63 63  
64 -== 1.4 Probe Specification ==
65 65  
66 -**Soil pH:**
67 67  
73 +== 1.4  Probe Specification ==
74 +
75 +
76 +(% style="color:#037691" %)**Soil pH:**
77 +
68 68  * Range: 3 ~~ 10 pH
69 69  * Resolution: 0.01 pH
70 70  * Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
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72 72  * IP68 Protection
73 73  * Length: 3.5 meters
74 74  
75 -**Soil Temperature:**
76 76  
86 +(% style="color:#037691" %)**Soil Temperature:**
87 +
77 77  * Range -40℃～85℃
78 78  * Resolution: 0.1℃
79 79  * Accuracy: <±0.5℃(-10℃～40℃)，<±0.8℃ (others)
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80 80  * IP68 Protection
81 81  * Length: 3.5 meters
82 82  
94 +
95 +
83 83  == 1.5 ​Applications ==
84 84  
85 85  * Smart Agriculture
86 86  
100 +
101 +
102 +
87 87  == 1.6 Pin mapping and power on ==
88 88  
89 -(% style="text-align:center" %)
105 +
90 90  [[image:image-20220907153300-2.png]]
91 91  
92 92  
109 +
93 93  = 2.  Use NSPH01 to communicate with IoT Server =
94 94  
112 +
95 95  == 2.1  How it works ==
96 96  
115 +
97 97  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.
98 98  
99 99  The diagram below shows the working flow in default firmware of NSPH01:
100 100  
101 -(% style="text-align:center" %)
120 +
102 102  [[image:image-20220907153416-3.png]]
103 103  
123 +
124 +
104 104  == 2.2 ​ Configure the NSPH01 ==
105 105  
127 +
106 106  === 2.2.1 Test Requirement ===
107 107  
130 +
108 108  To use NSPH01 in the field, make sure meet below requirements:
109 109  
110 110  * Your local operator has already distributed a NB-IoT Network there.
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113 113  
114 114  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.
115 115  
116 -(% style="text-align:center" %)
139 +
117 117  [[image:image-20220907153445-4.png]]
118 118  
119 119  
143 +
120 120  === 2.2.2 Insert SIM card ===
121 121  
146 +
122 122  User need to take out the NB-IoT module and insert the SIM card like below. ((% style="color:red" %) Pay attention to the direction(%%))
123 123  
124 -(% style="text-align:center" %)
125 125  [[image:image-20220907153505-5.png]]
126 126  
151 +
152 +
127 127  === 2.2.3 Connect USB – TTL to NSPH01 to configure it ===
128 128  
129 129  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.
image-20220912144017-1.png
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