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Last modified by Mengting Qiu on 2025/07/03 14:48
From version 171.3
edited by Xiaoling
on 2022/06/21 09:44
Change comment: There is no comment for this version
To version 149.1
edited by Edwin Chen
on 2022/06/19 09:22
Change comment: Uploaded new attachment "image-20220619092222-1.png", version {1}

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Title
... ... @@ -1,1 +1,1 @@
1 -LHT52 - LoRaWAN Temperature & Humidity Sensor User Manual
1 +LHT65N LoRaWAN Temperature & Humidity Sensor Manual
Parent
... ... @@ -1,1 +1,1 @@
1 -Main.User Manual for LoRaWAN End Nodes.WebHome
1 +Main.WebHome
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -1,23 +1,23 @@
1 1  (% style="text-align:center" %)
2 -[[image:1655774244188-589.png]]
2 +[[image:image-20220613162008-1.png||_mstalt="428142" height="579" width="379"]]
3 3  
4 4  
5 5  
6 6  
7 +
7 7  (% _mstvisible="1" %)
8 8  (% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
9 9  
11 +{{toc/}}
10 10  
11 11  
12 12  
13 13  
14 -
15 -
16 16  (% _mstvisible="1" %)
17 -= (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1.  Introduction(%%) =
17 += (% _msthash="277498" _msttexthash="253045" _mstvisible="3" %)1. Introduction(%%) =
18 18  
19 19  (% _mstvisible="1" %)
20 -== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1  What is LHT52 Temperature & Humidity Sensor(%%) ==
20 +== (% _msthash="1532895" _msttexthash="1426958" _mstvisible="3" %)1.1 What is LHT65N Temperature & Humidity Sensor(%%) ==
21 21  
22 22  (% _mstvisible="1" %)
23 23  (((
... ... @@ -24,50 +24,62 @@
24 24  (% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
25 25  
26 26  
27 -The Dragino LHT52 Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% style="color:blue" %)**built-in Temperature & Humidity sensor** (%%)and has a USB Type-C sensor connector to connect to external sensors such as external Temperature Sensor.
27 +(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
28 +The Dragino LHT65N Temperature & Humidity sensor is a Long Range LoRaWAN Sensor. It includes a (% _mstvisible="4" style="color:#4f81bd" %)**built-in Temperature & Humidity sensor**(%%) and has an external sensor connector to connect to an external (% _mstvisible="4" style="color:#4f81bd" %)**Temperature Sensor**(% _mstvisible="3" %)**.**
29 +)))
28 28  
29 -LHT52 (% style="color:blue" %)**senses environment temperature and humidity**(%%) and send these values via long-range wireless LoRaWAN protocol. It targets professional wireless sensor network applications such as food service, smart metering, smart cities, building automation, and so on.
31 +(% _mstvisible="1" %)
32 +(((
33 +(% _msthash="506052" _msttexthash="66005810" _mstvisible="2" %)
34 +The LHT65N allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on.
35 +)))
30 30  
31 -LHT52 supports(% style="color:blue" %)** 2 x AAA batteries **(%%)and works for a long time up to several years. Use can replace the batteries easily after they are finished.
37 +(% _mstvisible="1" %)
38 +(((
39 +(% _msthash="506053" _msttexthash="4298047" _mstvisible="2" %)
40 +LHT65N has a built-in 2400mAh non-chargeable battery which can be used for up to 10 years*.
41 +)))
32 32  
33 -LHT52 is fully compatible with LoRaWAN v1.0.3 protocol, it can work with standard LoRaWAN gateway.
43 +(% _mstvisible="1" %)
44 +(((
45 +(% _msthash="506054" _msttexthash="6016374" _mstvisible="2" %)
46 +LHT65N is full compatible with LoRaWAN v1.0.3 Class A protocol, it can work with a standard LoRaWAN gateway.
47 +)))
34 34  
35 -LHT52 supports(% style="color:blue" %)** Datalog feature** (%%)to make sure users won’t miss sensor data. It records sensor value for every uplink. These values can be retrieved by LoRaWAN server via downlink command.
36 -
37 -LHT52 supports(% style="color:blue" %)** temperature alarm feature**(%%). It can uplink alarm in a short interval while temperature exceeds preset limits.
38 -
39 -*Battery life depends how often to send data, please see [[battery analyzer>>||anchor="H4.2A0PowerConsumptionAnalyze"]].
40 -
41 -(% _msthash="506051" _msttexthash="24333127" _mstvisible="2" %)
42 -[[image:1655774519494-861.png]]
49 +(% _mstvisible="1" %)
50 +(((
51 +(% _msthash="506055" _msttexthash="17023136" _mstvisible="2" %)
52 +LHT65N supports (% _mstvisible="4" style="color:#4f81bd" %)**Datalog Feature**(%%). It will record the data when there is no network coverage and users can retrieve the sensor value later to ensure no miss for every sensor reading.
43 43  )))
44 44  
45 45  (% _mstvisible="1" %)
46 46  (((
47 47  (% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
58 +*The actual battery life depends on how often to send data, please see the battery analyzer chapter.
59 +
60 +(% _msthash="506056" _msttexthash="5557097" _mstvisible="2" %)
48 48  
49 49  )))
50 50  
51 51  (% _mstvisible="1" %)
52 -== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2  Features(%%) ==
65 +== (% _msthash="182559" _msttexthash="163319" _mstvisible="3" %)1.2 Features(%%) ==
53 53  
54 54  (% _mstvisible="1" %)
55 -* Wall Attachable.
56 -* LoRaWAN v1.0.3 Class A protocol.
57 -* Built-in Temperature & Humidity sensor
58 -* Optional External Probe
68 +* Wall mountable
69 +* LoRaWAN v1.0.3 Class A protocol
59 59  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
60 60  * AT Commands to change parameters
61 61  * Remote configure parameters via LoRaWAN Downlink
62 -* Firmware upgradable via program port
63 -* Support 2 x AAA LR03 batteries.
73 +* Firmware upgradeable via program port
74 +* Built-in 2400mAh battery for up to 10 years of use.
75 +* Built-in Temperature & Humidity sensor
76 +* Optional External Sensors
77 +* Tri-color LED to indicate working status
64 64  * Datalog feature
65 -* IP Rating: IP52
66 66  
67 67  
68 -
69 69  (% _mstvisible="1" %)
70 -== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3  Specification(%%) ==
82 +== (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
71 71  
72 72  (% _mstvisible="1" %)
73 73  (((
... ... @@ -78,10 +78,27 @@
78 78  (% _msthash="506057" _msttexthash="671437" _mstvisible="4" %)**Built-in Temperature Sensor:**
79 79  )))
80 80  
81 -* Resolution: 0.01 °C
82 -* Accuracy Tolerance: Typ ±0.3 °C
83 -* Long Term Drift: < 0.02 °C/yr
84 -* Operating Range: -20 ~~ 50 °C
93 +(% _mstvisible="1" %)
94 +* (% _mstvisible="3" %)
95 +(((
96 +(% _msthash="902993" _msttexthash="294424" _mstvisible="4" %)
97 +Resolution: 0.01 °C
98 +)))
99 +* (% _mstvisible="3" %)
100 +(((
101 +(% _msthash="902994" _msttexthash="690664" _mstvisible="4" %)
102 +Accuracy Tolerance : Typ ±0.3 °C
103 +)))
104 +* (% _mstvisible="3" %)
105 +(((
106 +(% _msthash="902995" _msttexthash="504647" _mstvisible="4" %)
107 +Long Term Drift: < 0.02 °C/yr
108 +)))
109 +* (% _mstvisible="3" %)
110 +(((
111 +(% _msthash="902996" _msttexthash="478257" _mstvisible="4" %)
112 +Operating Range: -40 ~~ 85 °C
113 +)))
85 85  
86 86  (% _mstvisible="1" %)
87 87  (((
... ... @@ -90,95 +90,109 @@
90 90  
91 91  (% _mstvisible="2" %)
92 92  (% _msthash="506058" _msttexthash="544453" _mstvisible="4" %)**Built-in Humidity Sensor:**
93 -
94 -
95 -* Resolution: 0.1 %RH
96 -* Accuracy Tolerance: Typ ±3 %RH
97 -* Long Term Drift: < 0.02 °C/yr
98 -* Operating Range: 0 ~~ 99.0 %RH(no Dew)
99 99  )))
100 100  
101 101  (% _mstvisible="1" %)
125 +* (% _mstvisible="3" %)
102 102  (((
103 -(% _mstvisible="2" %)
104 -
127 +(% _msthash="902997" _msttexthash="282438" _mstvisible="4" %)
128 +Resolution: 0.04 %RH
105 105  )))
130 +* (% _mstvisible="3" %)
131 +(((
132 +(% _msthash="902998" _msttexthash="628771" _mstvisible="4" %)
133 +Accuracy Tolerance : Typ ±3 %RH
134 +)))
135 +* (% _mstvisible="3" %)
136 +(((
137 +(% _msthash="902999" _msttexthash="504647" _mstvisible="4" %)
138 +Long Term Drift: < 0.02 °C/yr
139 +)))
140 +* (% _mstvisible="3" %)
141 +(((
142 +(% _msthash="903000" _msttexthash="421291" _mstvisible="4" %)
143 +Operating Range: 0 ~~ 96 %RH
144 +)))
106 106  
107 -(% _mstvisible="3" %)
146 +(% _mstvisible="1" %)
108 108  (((
148 +(% _mstvisible="2" %)
109 109  
110 110  
151 +(% _mstvisible="2" %)
152 +(% _msthash="506059" _msttexthash="680537" _mstvisible="4" %)**External Temperature Sensor:**
153 +)))
111 111  
155 +(% _mstvisible="1" %)
156 +* (% _mstvisible="3" %)
157 +(((
158 +(% _msthash="903001" _msttexthash="332254" _mstvisible="4" %)
159 +Resolution: 0.0625 °C
160 +)))
161 +* (% _mstvisible="3" %)
162 +(((
163 +(% _msthash="903002" _msttexthash="782600" _mstvisible="4" %)
164 +±0.5°C accuracy from -10°C to +85°C
165 +)))
166 +* (% _mstvisible="3" %)
167 +(((
168 +(% _msthash="903003" _msttexthash="729482" _mstvisible="4" %)
169 +±2°C accuracy from -55°C to +125°C
170 +)))
171 +* (% _mstvisible="3" %)
172 +(((
112 112  (% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
113 -== 1.4  Power Consumption ==
174 +Operating Range: -55 °C ~~ 125 °C
114 114  
115 -LHT52 (without external sensor): Idle: 5uA, Transmit: max 110mA
116 116  
117 -LHT52 + External Temperature Probe (AS-01): Idle: 6uA, Transmit: max 110mA.
118 -
119 -
120 -
121 -== 1.5  Storage & Operation Temperature ==
122 -
123 --20°C to +50°C
124 -
125 -
126 -
127 -== 1.6  Applications ==
128 -
129 -* Smart Buildings & Home Automation
130 -* Logistics and Supply Chain Management
131 -* Smart Metering
132 -* Smart Agriculture
133 -* Smart Cities
134 -* Smart Factory
135 -
177 +(% _msthash="903004" _msttexthash="592540" _mstvisible="4" %)
136 136  
137 137  )))
138 138  
139 139  (% _mstvisible="1" %)
140 -= (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2.  O(%%)peration Mode =
182 += (% _msthash="655759" _msttexthash="618618" _mstvisible="3" %)2. Connect LHT65N to IoT Server(%%) =
141 141  
142 142  (% _mstvisible="1" %)
143 -== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How it work?(%%) ==
185 +== (% _msthash="462371" _msttexthash="410332" _mstvisible="3" %)2.1 How does LHT65N work?(%%) ==
144 144  
145 145  (% _mstvisible="1" %)
146 146  (((
147 147  (% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
148 -Each LHT52 is shipped with a worldwide unique set of LoRaWAN OTAA keys. To use LHT52 in a LoRaWAN network, user needs to input the OTAA keys in LoRaWAN network server. After this, if LHT52 is under this LoRaWAN network coverage, LHT52 can join the LoRaWAN network and start to transmit sensor data. The default period for each uplink is** 20 minutes**.
149 -
150 -(% _msthash="506060" _msttexthash="28254538" _mstvisible="2" %)
151 -
190 +LHT65N is configured as LoRaWAN OTAA Class A mode by default. Each LHT65N is shipped with a worldwide unique set of OTAA keys. To use LHT65N in a LoRaWAN network, first, we need to put the OTAA keys in LoRaWAN Network Server and then activate LHT65N.
152 152  )))
153 153  
154 154  (% _mstvisible="1" %)
155 155  (((
156 156  (% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
196 +If LHT65N is under the coverage of this LoRaWAN network. LHT65N can join the LoRaWAN network automatically. After successfully joining, LHT65N will start to measure environment temperature and humidity, and start to transmit sensor data to the LoRaWAN server. The default period for each uplink is 20 minutes.
197 +
198 +(% _msthash="506061" _msttexthash="48200724" _mstvisible="2" %)
157 157  
158 158  )))
159 159  
160 160  (% _mstvisible="1" %)
161 -== (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT52?(%%) ==
203 +== (% _msthash="514384" _msttexthash="458666" _mstvisible="3" %)2.2 How to Activate LHT65N?(%%) ==
162 162  
163 -(% style="color:red" %)** 1.  Open enclosure from below position.**
205 +(% _msthash="315239" _msttexthash="748241" _mstvisible="1" %)
206 +The LHT65N has two working modes:
164 164  
165 -[[image:image-20220621093835-1.png]]
208 +(% _mstvisible="1" %)
209 +* (% style="color:blue" %)**Deep Sleep Mode**(%%): LHT65N doesn’t have any LoRaWAN activation. This mode is used for storage and shipping to save battery life.
210 +* (% style="color:blue" %)**Working Mode**(%%):  In this mode, LHT65N works as LoRaWAN Sensor mode to Join LoRaWAN network and send out the sensor data to the server. Between each sampling/tx/rx periodically, LHT65N will be in STOP mode (IDLE mode), in STOP mode, LHT65N has the same power consumption as Deep Sleep mode. 
166 166  
212 +(% _mstvisible="1" %)
213 +(((
214 +(% _msthash="506062" _msttexthash="6036823" _mstvisible="2" %)
215 +The LHT65N is set in deep sleep mode by default; The ACT button on the front is to switch to different modes:
216 +)))
167 167  
168 -(% style="color:red" %)** 2.  Insert 2 x AAA LR03 batteries.**
218 +(% _mstvisible="1" %)
219 +[[image:image-20220515123819-1.png||_mstalt="430742" _mstvisible="3" height="379" width="317"]]
169 169  
170 -[[image:image-20220621093835-2.png]]
221 +(% _mstvisible="1" %)
222 +[[image:image-20220525110604-2.png||_mstalt="427531" _mstvisible="3"]]
171 171  
172 172  
173 -(% style="color:red" %)** 3.  Press the reset button to activate device.**
174 -
175 -[[image:image-20220621093835-3.png]]
176 -
177 -
178 -User can check [[LED Status>>||anchor="H2.8A0LEDIndicator"]] to know the working state of LHT52.
179 -
180 -
181 -
182 182  (% _mstvisible="1" %)
183 183  == (% _msthash="882726" _msttexthash="838526" _mstvisible="3" %)2.3 Example to join LoRaWAN network(%%) ==
184 184  
... ... @@ -323,6 +323,7 @@
323 323  * The 7th byte (EXT #): defines the external sensor model.
324 324  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
325 325  
369 +
326 326  (% _mstvisible="1" %)
327 327  === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
328 328  
... ... @@ -359,6 +359,7 @@
359 359  * BAT status=(0Xcba4>>14)&0xFF=11(B)，very good
360 360  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
361 361  
406 +
362 362  (% _mstvisible="1" %)
363 363  === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
364 364  
... ... @@ -374,6 +374,7 @@
374 374  (% _mstvisible="1" %)
375 375  * Temperature:  (0xF5C6-65536)/100=-26.18℃
376 376  
422 +
377 377  (% _mstvisible="1" %)
378 378  === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
379 379  
... ... @@ -383,6 +383,7 @@
383 383  (% _mstvisible="1" %)
384 384  * Humidity:    0x025C/10=60.4%
385 385  
432 +
386 386  (% _mstvisible="1" %)
387 387  === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
388 388  
... ... @@ -429,6 +429,7 @@
429 429  )))
430 430  
431 431  
479 +
432 432  (% _mstvisible="1" %)
433 433  ==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.2 Ext~=9, E3 sensor with Unix Timestamp(%%) ====
434 434  
... ... @@ -549,18 +549,7 @@
549 549  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
550 550  * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
551 551  
552 -==== (% _msthash="1389752" _msttexthash="1234766" _mstvisible="3" %)2.4.6.3 Ext~=6, ADC Sensor (use with E2 Cable)(%%) ====
553 553  
554 -In this mode, user can connect external ADC sensor to check ADC value. The 3V3_OUT can
555 -
556 -be used to power the external ADC sensor; user can control the power on time for this
557 -
558 -sensor by setting:
559 -
560 -AT+EXT=6,timeout  (% _msthash="506085" _msttexthash="8782189" _mstvisible="3" style="color:red" %)Time to power this sensor, from 0 ~~ 65535ms
561 -
562 -
563 -
564 564  (% _mstvisible="1" %)
565 565  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
566 566  
... ... @@ -623,6 +623,7 @@
623 623  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
624 624  1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
625 625  
663 +
626 626  (% _mstvisible="1" %)
627 627  === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
628 628  
... ... @@ -1121,17 +1121,6 @@
1121 1121  = (% _msthash="401388" _msttexthash="566956" _mstvisible="3" %)3. S(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ensors(% _msthash="401388" _msttexthash="40417" _mstvisible="3" %) and A(% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)ccessories(%%) =
1122 1122  
1123 1123  (% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1124 -== (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E2 Extension Cable(%%) ==
1125 -
1126 -[[image:image-20220619092222-1.png||height="182" width="188"]][[image:image-20220619092313-2.png||height="182" width="173"]]
1127 -
1128 -1m long breakout cable for LHT65N
1129 -
1130 -[[image:image-20220619092421-3.png||height="371" width="529"]]
1131 -
1132 -
1133 -
1134 -(% _msthidden="1" _mstvisible="1" style="text-align: left;" %)
1135 1135  == (% _msthash="903005" _msttexthash="1647204" _mstvisible="2" %)3.1(% _msthash="487110" _msttexthash="455390" %) E3 Temperature Probe(%%) ==
1136 1136  
1137 1137  (% _mstvisible="1" %)
... ... @@ -1149,6 +1149,7 @@
1149 1149  * -55°C to 125°C
1150 1150  * Working voltage 2.35v ~~ 5v
1151 1151  
1179 +
1152 1152  (% _mstvisible="1" style="text-align: left;" %)
1153 1153  = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1154 1154  
... ... @@ -1364,6 +1364,7 @@
1364 1364  * 0xA800  **~-~->** AT+PID=0
1365 1365  * 0xA801     **~-~->** AT+PID=1
1366 1366  
1395 +
1367 1367  (% _mstvisible="1" style="text-align: left;" %)
1368 1368  == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1369 1369  
... ... @@ -1435,6 +1435,7 @@
1435 1435  (% _mstvisible="1" %)
1436 1436  * There is no downlink command to set to Sleep mode.
1437 1437  
1467 +
1438 1438  (% _mstvisible="1" %)
1439 1439  == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1440 1440  
... ... @@ -1569,6 +1569,7 @@
1569 1569  (% _mstvisible="1" %)
1570 1570  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1571 1571  
1602 +
1572 1572  (% _mstvisible="1" %)
1573 1573  == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1574 1574  
... ... @@ -1592,6 +1592,7 @@
1592 1592  (% _mstvisible="1" %)
1593 1593  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1594 1594  
1626 +
1595 1595  (% _mstvisible="1" %)
1596 1596  = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1597 1597  
... ... @@ -1887,7 +1887,7 @@
1887 1887  (% _msthash="506131" _msttexthash="14585714" %)
1888 1888  AT commands：
1889 1889  
1890 -[[image:image-20220620153708-1.png||height="603" width="723"]]
1922 +[[image:image-20220615092034-1.png||_mstalt="428870"]]
1891 1891  
1892 1892  (% _msthash="506132" _msttexthash="337922" %)
1893 1893  Downlink commands:
... ... @@ -1896,13 +1896,13 @@
1896 1896  (% _msthash="506133" _msttexthash="33046" %)
1897 1897  **TTN:**
1898 1898  
1899 -[[image:image-20220615092124-2.png||_mstalt="429221" height="649" width="688"]]
1931 +[[image:image-20220615092124-2.png||_mstalt="429221" height="843" width="893"]]
1900 1900  
1901 1901  
1902 1902  (% _msthash="506134" _msttexthash="11113791" %)
1903 1903  **Helium：**
1904 1904  
1905 -[[image:image-20220615092551-3.png||_mstalt="430794" height="423" width="835"]]
1937 +[[image:image-20220615092551-3.png||_mstalt="430794" height="556" width="1097"]]
1906 1906  
1907 1907  
1908 1908  (% _msthash="506135" _msttexthash="4159844" %)
... ... @@ -1910,13 +1910,13 @@
1910 1910  
1911 1911  [[image:image-20220615094850-6.png||_mstalt="433082"]]
1912 1912  
1913 -[[image:image-20220615094904-7.png||_mstalt="433485" height="281" width="911"]]
1945 +[[image:image-20220615094904-7.png||_mstalt="433485" height="329" width="1067"]]
1914 1914  
1915 1915  
1916 1916  (% _msthash="506136" _msttexthash="39286" %)
1917 1917  **Aws:**
1918 1918  
1919 -[[image:image-20220615092939-4.png||_mstalt="434460" height="448" width="894"]]
1951 +[[image:image-20220615092939-4.png||_mstalt="434460" height="532" width="1062"]]
1920 1920  
1921 1921  
1922 1922  == (% _msthash="1220570" _msttexthash="33199257" %)6.3 How to change the uplink interval？(%%) ==
... ... @@ -1929,8 +1929,6 @@
1929 1929  
1930 1930  [[image:image-20220615153355-1.png]]
1931 1931  
1932 -[[image:image-20220620154900-5.jpeg||height="427" width="570"]]
1933 -
1934 1934  (% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1935 1935  
1936 1936  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1937,10 +1937,9 @@
1937 1937  
1938 1938  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1939 1939  
1970 +[[image:image-20220615153914-2.jpeg||height="608" width="456"]]
1940 1940  
1941 -To switch from download mode to command mode, press reset key
1942 1942  
1943 -
1944 1944  (((
1945 1945  (% _msthash="736728" _msttexthash="67213055" %)
1946 1946  (((
... ... @@ -1952,7 +1952,7 @@
1952 1952  (% _msthash="736729" _msttexthash="1907009" %)
1953 1953  Input password and ATZ to activate LHT65N,As shown below:
1954 1954  
1955 -[[image:image-20220615154519-3.png||height="672" width="807"]]
1984 +[[image:image-20220615154519-3.png]]
1956 1956  
1957 1957  
1958 1958  )))
... ... @@ -1959,11 +1959,8 @@
1959 1959  
1960 1960  == 6.5 How to use TTL-USB to connect PC to upgrade firmware? ==
1961 1961  
1962 -
1963 1963  [[image:image-20220615153355-1.png]]
1964 1964  
1965 -(% style="background-color:yellow" %)**1 < - -> GND  < - ->  Black**
1966 -
1967 1967  (% style="background-color:yellow" %)**4  < - ->  3.3V  < - ->  Blue**
1968 1968  
1969 1969  (% style="background-color:yellow" %)**5 < - ->  RXD  < - ->  White**
... ... @@ -1970,13 +1970,9 @@
1970 1970  
1971 1971  (% style="background-color:yellow" %)**9 < - ->  TXD  < - ->  Green**
1972 1972  
1973 -[[image:image-20220620160241-6.jpeg||height="428" width="571"]]
1999 +Use after connection， ground wire（1 < - -> GND  < - ->  Black） for 1s and then pull it out.Then restart the device.
1974 1974  
1975 -Press reset after connecting the 4boot cable to enter the download mode.
1976 1976  
1977 -[[image:image-20220620160516-7.png||height="435" width="435"]]
1978 -
1979 -
1980 1980  (% _mstmutation="1" %)**Step1**(%%): Install TremoProgrammer  first.
1981 1981  
1982 1982  [[image:image-20220615170542-5.png]]
... ... @@ -1994,7 +1994,7 @@
1994 1994  
1995 1995  (% _istranslated="1" _mstmutation="1" %)**Step4：**(%%)Click Start
1996 1996  
1997 -[[image:image-20220620160723-8.png]]
2019 +
1998 1998  )))
1999 1999  
2000 2000  (% _mstvisible="1" %)
... ... @@ -2120,6 +2120,9 @@
2120 2120  
2121 2121  * [[Datasheet, photos, decoder, firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor||_msthash="504975" _msttexthash="51420512"]]
2122 2122  
2145 +
2146 +
2147 +
2123 2123  = (% _msthash="216320" _msttexthash="10002096" %)10. (%%)FCC Warning =
2124 2124  
2125 2125  (% _mstvisible="1" %)
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