Last modified by Bei Jinggeng on 2024/05/31 09:53
<
From version < 20.1 >
edited by Xiaoling
on 2022/06/06 16:39
To version < 8.5 >
edited by Xiaoling
on 2022/06/06 15:52
>
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Summary

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Content
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1 1  (% style="text-align:center" %)
2 2  [[image:image-20220606151504-2.jpeg||height="848" width="848"]]
3 3  
4 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]]
4 4  
5 5  
6 6  
... ... @@ -8,40 +8,44 @@
8 8  
9 9  
10 10  
11 -= 1. Introduction =
12 12  
13 -== 1.1 ​What is LoRaWAN Soil Moisture & EC Sensor ==
14 14  
15 -(((
16 -The Dragino LSE01 is a (% style="color:#4f81bd" %)**LoRaWAN Soil Moisture & EC Sensor**(%%) for IoT of Agriculture. It is designed to measure the soil moisture of saline-alkali soil and loamy soil. The soil sensor uses FDR method to calculate the soil moisture with the compensation from soil temperature and conductivity. It also has been calibrated in factory for Mineral soil type.
17 -)))
18 18  
19 -(((
20 -It detects (% style="color:#4f81bd" %)**Soil Moisture**(%%), (% style="color:#4f81bd" %)**Soil Temperature**(%%) and (% style="color:#4f81bd" %)**Soil Conductivity**(%%), and uploads the value via wireless to LoRaWAN IoT Server.
21 -)))
22 22  
23 -(((
16 +
17 +
18 +
19 +
20 +
21 +
22 +
23 +1. Introduction
24 +11. ​What is LoRaWAN Soil Moisture & EC Sensor
25 +
26 +The Dragino LSE01 is a **LoRaWAN Soil Moisture & EC Sensor** for IoT of Agriculture. It is designed to measure the soil moisture of saline-alkali soil and loamy soil. The soil sensor uses FDR method to calculate the soil moisture with the compensation from soil temperature and conductivity. It also has been calibrated in factory for Mineral soil type.
27 +
28 +
29 +It detects **Soil Moisture**, **Soil Temperature** and **Soil Conductivity**, and uploads the value via wireless to LoRaWAN IoT Server.
30 +
31 +
24 24  The LoRa wireless technology used in LES01 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
25 -)))
26 26  
27 -(((
28 -LES01 is powered by (% style="color:#4f81bd" %)**4000mA or 8500mAh Li-SOCI2 battery**(%%), It is designed for long term use up to 10 years.
29 -)))
30 30  
31 -(((
32 -Each LES01 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
33 -)))
35 +LES01 is powered by **4000mA or 8500mAh Li-SOCI2 battery**, It is designed for long term use up to 10 years.
34 34  
35 35  
36 -[[image:1654503236291-817.png]]
38 +Each LES01 is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
37 37  
38 38  
39 -[[image:1654503265560-120.png]]
41 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]]
40 40  
41 41  
44 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
42 42  
43 -== 1.2 ​Features ==
44 44  
47 +
48 +*
49 +*1. ​Features
45 45  * LoRaWAN 1.0.3 Class A
46 46  * Ultra low power consumption
47 47  * Monitor Soil Moisture
... ... @@ -54,50 +54,63 @@
54 54  * IP66 Waterproof Enclosure
55 55  * 4000mAh or 8500mAh Battery for long term use
56 56  
57 -== 1.3 Specification ==
62 +1.
63 +11. Specification
58 58  
59 59  Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height.
60 60  
61 -[[image:image-20220606162220-5.png]]
67 +|**Parameter**|**Soil Moisture**|**Soil Conductivity**|**Soil Temperature**
68 +|**Range**|**0-100.00%**|(((
69 +**0-20000uS/cm**
62 62  
71 +**(25℃)(0-20.0EC)**
72 +)))|**-40.00℃～85.00℃**
73 +|**Unit**|**V/V %,**|**uS/cm,**|**℃**
74 +|**Resolution**|**0.01%**|**1 uS/cm**|**0.01℃**
75 +|**Accuracy**|(((
76 +**±3% (0-53%)**
63 63  
78 +**±5% (>53%)**
79 +)))|**2%FS,**|(((
80 +**-10℃～50℃:<0.3℃**
64 64  
65 -== ​1.4 Applications ==
82 +**All other: <0.6℃**
83 +)))
84 +|(((
85 +**Measure**
66 66  
87 +**Method**
88 +)))|**FDR , with temperature &EC compensate**|**Conductivity , with temperature compensate**|**RTD, and calibrate**
89 +
90 +*
91 +*1. ​Applications
67 67  * Smart Agriculture
68 68  
94 +1.
95 +11. ​Firmware Change log
69 69  
70 -(% class="wikigeneratedid" id="H200B1.5FirmwareChangelog" %)
71 -​
97 +**LSE01 v1.0:**
72 72  
73 -(% class="wikigeneratedid" %)
74 -== 1.5 Firmware Change log ==
99 +* Release
75 75  
101 +1. Configure LSE01 to connect to LoRaWAN network
102 +11. How it works
76 76  
77 -**LSE01 v1.0 :**  Release
104 +The LSE01 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LSE0150. It will automatically join the network via OTAA and start to send the sensor value
78 78  
79 79  
107 +In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>path:#_​Using_the_AT]]to set the keys in the LSE01.
80 80  
81 -= 2. Configure LSE01 to connect to LoRaWAN network =
82 82  
83 -== 2.1 How it works ==
84 84  
85 -(((
86 -The LSE01 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LSE0150. It will automatically join the network via OTAA and start to send the sensor value
87 -)))
88 88  
89 -(((
90 -In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.​UsingtheATCommands"]].
91 -)))
112 +1.
113 +11. ​Quick guide to connect to LoRaWAN server (OTAA)
92 92  
93 -
94 -
95 -== 2.2 ​Quick guide to connect to LoRaWAN server (OTAA) ==
96 -
97 97  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
98 98  
99 99  
100 -[[image:1654503992078-669.png]]
118 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]]
101 101  
102 102  
103 103  The LG308 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
... ... @@ -107,34 +107,46 @@
107 107  
108 108  Each LSE01 is shipped with a sticker with the default device EUI as below:
109 109  
110 -[[image:image-20220606163732-6.jpeg]]
111 111  
129 +
130 +
112 112  You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
113 113  
133 +
114 114  **Add APP EUI in the application**
115 115  
116 116  
117 -[[image:1654504596150-405.png]]
137 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image004.png]]
118 118  
119 119  
120 120  
121 121  **Add APP KEY and DEV EUI**
122 122  
123 -[[image:1654504683289-357.png]]
124 124  
144 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image005.png]]
125 125  
146 +|(((
147 +
148 +)))
126 126  
150 +
127 127  **Step 2**: Power on LSE01
128 128  
129 129  
130 130  Put a Jumper on JP2 to power on the device. ( The Jumper must be in FLASH position).
131 131  
132 -[[image:image-20220606163915-7.png]]
133 133  
134 134  
158 +|(((
159 +
160 +)))
135 135  
162 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]]
136 136  
137 137  
165 +
166 +
167 +
138 138  **Step 3:** The LSE01 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
139 139  
140 140  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]]
... ... @@ -171,7 +171,7 @@
171 171  
172 172  
173 173  1.
174 -11.
204 +11.
175 175  111. MOD=1(Original value)
176 176  
177 177  This mode can get the original AD value of moisture and original conductivity (with temperature drift compensation).
... ... @@ -194,7 +194,7 @@
194 194  [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image008.png]]
195 195  
196 196  1.
197 -11.
227 +11.
198 198  111. Battery Info
199 199  
200 200  Check the battery voltage for LSE01.
... ... @@ -205,8 +205,8 @@
205 205  
206 206  
207 207  
208 -1.
209 -11.
238 +1.
239 +11.
210 210  111. Soil Moisture
211 211  
212 212  Get the moisture content of the soil. The value range of the register is 0-10000(Decimal), divide this value by 100 to get the percentage of moisture in the soil.
... ... @@ -216,8 +216,8 @@
216 216  **05DC(H) = 1500(D) /100 = 15%.**
217 217  
218 218  
219 -1.
220 -11.
249 +1.
250 +11.
221 221  111. Soil Temperature
222 222  
223 223   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
... ... @@ -229,8 +229,8 @@
229 229  If payload is FF7EH: ((FF7E & 0x8000)>>15 ===1),temp = (FF7E(H)-FFFF(H))/100 = -1.29 °C
230 230  
231 231  
232 -1.
233 -11.
262 +1.
263 +11.
234 234  111. Soil Conductivity (EC)
235 235  
236 236  Obtain soluble salt concentration in soil or soluble ion concentration in liquid fertilizer or planting medium,. The value range of the register is 0 - 20000(Decimal)( Can be greater than 20000).
... ... @@ -240,8 +240,8 @@
240 240  
241 241  Generally, the EC value of irrigation water is less than 800uS / cm.
242 242  
243 -1.
244 -11.
273 +1.
274 +11.
245 245  111. MOD
246 246  
247 247  Firmware version at least v2.1 supports changing mode.
... ... @@ -258,8 +258,8 @@
258 258  If** **payload =** **0x0A01, workmode=1
259 259  
260 260  
261 -1.
262 -11.
291 +1.
292 +11.
263 263  111. ​Decode payload in The Things Network
264 264  
265 265  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -272,7 +272,7 @@
272 272  LSE01 TTN Payload Decoder: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/Payload_Decoder/]]
273 273  
274 274  
275 -1.
305 +1.
276 276  11. Uplink Interval
277 277  
278 278  The LSE01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
... ... @@ -279,7 +279,7 @@
279 279  
280 280  [[http:~~/~~/wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval>>url:http://wiki.dragino.com/index.php?title=End_Device_AT_Commands_and_Downlink_Commands#Change_Uplink_Interval]]
281 281  
282 -1.
312 +1.
283 283  11. ​Downlink Payload
284 284  
285 285  By default, LSE50 prints the downlink payload to console port.
... ... @@ -312,7 +312,7 @@
312 312  
313 313  Downlink Payload: 05000001, Set AT+CFM=1 or 05000000 , set AT+CFM=0
314 314  
315 -1.
345 +1.
316 316  11. ​Show Data in DataCake IoT Server
317 317  
318 318  [[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
... ... @@ -353,8 +353,8 @@
353 353  
354 354  The LSE01 uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
355 355  
356 -1.
357 -11.
386 +1.
387 +11.
358 358  111. EU863-870 (EU868)
359 359  
360 360  Uplink:
... ... @@ -385,8 +385,8 @@
385 385  869.525 - SF9BW125 (RX2 downlink only)
386 386  
387 387  
388 -1.
389 -11.
418 +1.
419 +11.
390 390  111. US902-928(US915)
391 391  
392 392  Used in USA, Canada and South America. Default use CHE=2
... ... @@ -431,8 +431,8 @@
431 431  923.3 - SF12BW500(RX2 downlink only)
432 432  
433 433  
434 -1.
435 -11.
464 +1.
465 +11.
436 436  111. CN470-510 (CN470)
437 437  
438 438  Used in China, Default use CHE=1
... ... @@ -477,8 +477,8 @@
477 477  505.3 - SF12BW125 (RX2 downlink only)
478 478  
479 479  
480 -1.
481 -11.
510 +1.
511 +11.
482 482  111. AU915-928(AU915)
483 483  
484 484  Default use CHE=2
... ... @@ -522,8 +522,8 @@
522 522  
523 523  923.3 - SF12BW500(RX2 downlink only)
524 524  
525 -1.
526 -11.
555 +1.
556 +11.
527 527  111. AS920-923 & AS923-925 (AS923)
528 528  
529 529  **Default Uplink channel:**
... ... @@ -575,8 +575,8 @@
575 575  923.2 - SF10BW125 (RX2)
576 576  
577 577  
578 -1.
579 -11.
608 +1.
609 +11.
580 580  111. KR920-923 (KR920)
581 581  
582 582  Default channel:
... ... @@ -612,8 +612,8 @@
612 612  921.9 - SF12BW125 (RX2 downlink only; SF12BW125 might be changed to SF9BW125)
613 613  
614 614  
615 -1.
616 -11.
645 +1.
646 +11.
617 617  111. IN865-867 (IN865)
618 618  
619 619  Uplink:
... ... @@ -632,7 +632,7 @@
632 632  866.550 - SF10BW125 (RX2)
633 633  
634 634  
635 -1.
665 +1.
636 636  11. LED Indicator
637 637  
638 638  The LSE01 has an internal LED which is to show the status of different state.
... ... @@ -642,7 +642,7 @@
642 642  * Solid ON for 5 seconds once device successful Join the network.
643 643  * Blink once when device transmit a packet.
644 644  
645 -1.
675 +1.
646 646  11. Installation in Soil
647 647  
648 648  **Measurement the soil surface**
... ... @@ -669,7 +669,7 @@
669 669  
670 670  
671 671  
672 -1.
702 +1.
673 673  11. ​Firmware Change Log
674 674  
675 675  **Firmware download link:**
... ... @@ -688,7 +688,7 @@
688 688  
689 689  
690 690  
691 -1.
721 +1.
692 692  11. ​Battery Analysis
693 693  111. ​Battery Type
694 694  
... ... @@ -712,15 +712,15 @@
712 712  
713 713  
714 714  
715 -1.
716 -11.
745 +1.
746 +11.
717 717  111. ​Battery Note
718 718  
719 719  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.
720 720  
721 721  
722 -1.
723 -11.
752 +1.
753 +11.
724 724  111. ​Replace the battery
725 725  
726 726  If Battery is lower than 2.7v, user should replace the battery of LSE01.
... ... @@ -736,137 +736,140 @@
736 736  
737 737  
738 738  
739 -= 3. ​Using the AT Commands =
769 +1. ​Using the AT Commands
770 +11. ​Access AT Commands
740 740  
741 -== 3.1 Access AT Commands ==
742 -
743 -
744 744  LSE01 supports AT Command set in the stock firmware. You can use a USB to TTL adapter to connect to LSE01 for using AT command, as below.
745 745  
746 -[[image:1654501986557-872.png]]
774 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image018.png]]
747 747  
748 748  
749 749  Or if you have below board, use below connection:
750 750  
751 751  
752 -[[image:1654502005655-729.png]]
780 +[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image019.png]]
753 753  
754 754  
755 755  
756 -In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSE01. LSE01 will output system info once power on as below:
784 +In the PC, you need to set the serial baud rate to **9600** to access the serial console for LSE01. LSE01 will output system info once power on as below:
757 757  
758 758  
759 - [[image:1654502050864-459.png]]
787 + [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image020.png]]
760 760  
761 761  
762 762  Below are the available commands, a more detailed AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]]: [[http:~~/~~/www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LSE01/]]
763 763  
764 764  
765 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>? **(%%) : Help on <CMD>
793 +AT+<CMD>?        : Help on <CMD>
766 766  
767 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD> **(%%) : Run <CMD>
795 +AT+<CMD>         : Run <CMD>
768 768  
769 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=<value>**(%%) : Set the value
797 +AT+<CMD>=<value> : Set the value
770 770  
771 -(% style="background-color:#dcdcdc" %)**AT+<CMD>=?AT+<CMD>=?**(%%)  : Get the value
799 +AT+<CMD>=?       : Get the value
772 772  
773 773  
774 -(% style="color:#037691" %)**General Commands**(%%)      
802 +**General Commands**      
775 775  
776 -(% style="background-color:#dcdcdc" %)**AT**(%%)  : Attention       
804 +AT                    : Attention       
777 777  
778 -(% style="background-color:#dcdcdc" %)**AT?**(%%)  : Short Help     
806 +AT?                            : Short Help     
779 779  
780 -(% style="background-color:#dcdcdc" %)**ATZ**(%%)  : MCU Reset    
808 +ATZ                            : MCU Reset    
781 781  
782 -(% style="background-color:#dcdcdc" %)**AT+TDC**(%%)  : Application Data Transmission Interval 
810 +AT+TDC           : Application Data Transmission Interval 
783 783  
784 784  
785 -(% style="color:#037691" %)**Keys, IDs and EUIs management**
813 +**Keys, IDs and EUIs management**
786 786  
787 -(% style="background-color:#dcdcdc" %)**AT+APPEUI**(%%)              : Application EUI      
815 +AT+APPEUI              : Application EUI      
788 788  
789 -(% style="background-color:#dcdcdc" %)**AT+APPKEY**(%%)              : Application Key     
817 +AT+APPKEY              : Application Key     
790 790  
791 -(% style="background-color:#dcdcdc" %)**AT+APPSKEY**(%%)            : Application Session Key
819 +AT+APPSKEY            : Application Session Key
792 792  
793 -(% style="background-color:#dcdcdc" %)**AT+DADDR**(%%)              : Device Address     
821 +AT+DADDR              : Device Address     
794 794  
795 -(% style="background-color:#dcdcdc" %)**AT+DEUI**(%%)                   : Device EUI     
823 +AT+DEUI                   : Device EUI     
796 796  
797 -(% style="background-color:#dcdcdc" %)**AT+NWKID**(%%)               : Network ID (You can enter this command change only after successful network connection) 
825 +AT+NWKID               : Network ID (You can enter this command change only after successful network connection) 
798 798  
799 -(% style="background-color:#dcdcdc" %)**AT+NWKSKEY**(%%)          : Network Session Key Joining and sending date on LoRa network  
827 +AT+NWKSKEY          : Network Session Key Joining and sending date on LoRa network  
800 800  
801 -(% style="background-color:#dcdcdc" %)**AT+CFM**(%%)  : Confirm Mode       
829 +AT+CFM          : Confirm Mode       
802 802  
803 -(% style="background-color:#dcdcdc" %)**AT+CFS**(%%)                     : Confirm Status       
831 +AT+CFS                     : Confirm Status       
804 804  
805 -(% style="background-color:#dcdcdc" %)**AT+JOIN**(%%)  : Join LoRa? Network       
833 +AT+JOIN          : Join LoRa? Network       
806 806  
807 -(% style="background-color:#dcdcdc" %)**AT+NJM**(%%)  : LoRa? Network Join Mode    
835 +AT+NJM          : LoRa? Network Join Mode    
808 808  
809 -(% style="background-color:#dcdcdc" %)**AT+NJS**(%%)                     : LoRa? Network Join Status    
837 +AT+NJS                     : LoRa? Network Join Status    
810 810  
811 -(% style="background-color:#dcdcdc" %)**AT+RECV**(%%)                  : Print Last Received Data in Raw Format
839 +AT+RECV                  : Print Last Received Data in Raw Format
812 812  
813 -(% style="background-color:#dcdcdc" %)**AT+RECVB**(%%)                : Print Last Received Data in Binary Format      
841 +AT+RECVB                : Print Last Received Data in Binary Format      
814 814  
815 -(% style="background-color:#dcdcdc" %)**AT+SEND**(%%)                  : Send Text Data      
843 +AT+SEND                  : Send Text Data      
816 816  
817 -(% style="background-color:#dcdcdc" %)**AT+SENB**(%%)                  : Send Hexadecimal Data
845 +AT+SENB                  : Send Hexadecimal Data
818 818  
819 819  
820 -(% style="color:#037691" %)**LoRa Network Management**
848 +**LoRa Network Management**
821 821  
822 -(% style="background-color:#dcdcdc" %)**AT+ADR**(%%)          : Adaptive Rate
850 +AT+ADR          : Adaptive Rate
823 823  
824 -(% style="background-color:#dcdcdc" %)**AT+CLASS**(%%)  : LoRa Class(Currently only support class A
852 +AT+CLASS                : LoRa Class(Currently only support class A
825 825  
826 -(% style="background-color:#dcdcdc" %)**AT+DCS**(%%)  : Duty Cycle Setting 
854 +AT+DCS           : Duty Cycle Setting 
827 827  
828 -(% style="background-color:#dcdcdc" %)**AT+DR**(%%)  : Data Rate (Can Only be Modified after ADR=0)     
856 +AT+DR                      : Data Rate (Can Only be Modified after ADR=0)     
829 829  
830 -(% style="background-color:#dcdcdc" %)**AT+FCD**(%%)  : Frame Counter Downlink       
858 +AT+FCD           : Frame Counter Downlink       
831 831  
832 -(% style="background-color:#dcdcdc" %)**AT+FCU**(%%)  : Frame Counter Uplink   
860 +AT+FCU           : Frame Counter Uplink   
833 833  
834 -(% style="background-color:#dcdcdc" %)**AT+JN1DL**(%%)  : Join Accept Delay1
862 +AT+JN1DL                : Join Accept Delay1
835 835  
836 -(% style="background-color:#dcdcdc" %)**AT+JN2DL**(%%)  : Join Accept Delay2
864 +AT+JN2DL                : Join Accept Delay2
837 837  
838 -(% style="background-color:#dcdcdc" %)**AT+PNM**(%%)  : Public Network Mode   
866 +AT+PNM                   : Public Network Mode   
839 839  
840 -(% style="background-color:#dcdcdc" %)**AT+RX1DL**(%%)  : Receive Delay1      
868 +AT+RX1DL                : Receive Delay1      
841 841  
842 -(% style="background-color:#dcdcdc" %)**AT+RX2DL**(%%)  : Receive Delay2      
870 +AT+RX2DL                : Receive Delay2      
843 843  
844 -(% style="background-color:#dcdcdc" %)**AT+RX2DR**(%%)  : Rx2 Window Data Rate 
872 +AT+RX2DR               : Rx2 Window Data Rate 
845 845  
846 -(% style="background-color:#dcdcdc" %)**AT+RX2FQ**(%%)  : Rx2 Window Frequency
874 +AT+RX2FQ               : Rx2 Window Frequency
847 847  
848 -(% style="background-color:#dcdcdc" %)**AT+TXP**(%%)  : Transmit Power
876 +AT+TXP           : Transmit Power
849 849  
850 -(% style="background-color:#dcdcdc" %)**AT+ MOD**(%%)  : Set work mode
878 +AT+ MOD                 : Set work mode
851 851  
852 852  
853 -(% style="color:#037691" %)**Information** 
881 +**Information** 
854 854  
855 -(% style="background-color:#dcdcdc" %)**AT+RSSI**(%%)           : RSSI of the Last Received Packet   
883 +AT+RSSI           : RSSI of the Last Received Packet   
856 856  
857 -(% style="background-color:#dcdcdc" %)**AT+SNR**(%%)           : SNR of the Last Received Packet   
885 +AT+SNR           : SNR of the Last Received Packet   
858 858  
859 -(% style="background-color:#dcdcdc" %)**AT+VER**(%%)           : Image Version and Frequency Band       
887 +AT+VER           : Image Version and Frequency Band       
860 860  
861 -(% style="background-color:#dcdcdc" %)**AT+FDR**(%%)           : Factory Data Reset
889 +AT+FDR           : Factory Data Reset
862 862  
863 -(% style="background-color:#dcdcdc" %)**AT+PORT**(%%)  : Application Port    
891 +AT+PORT                  : Application Port    
864 864  
865 -(% style="background-color:#dcdcdc" %)**AT+CHS**(%%)  : Get or Set Frequency (Unit: Hz) for Single Channel Mode
893 +AT+CHS           : Get or Set Frequency (Unit: Hz) for Single Channel Mode
866 866  
867 - (% style="background-color:#dcdcdc" %)**AT+CHE**(%%)  : Get or Set eight channels mode, Only for US915, AU915, CN470
895 + AT+CHE                   : Get or Set eight channels mode, Only for US915, AU915, CN470
868 868  
869 869  
898 +
899 +
900 +
901 +
902 +
870 870  = ​4. FAQ =
871 871  
872 872  == 4.1 ​How to change the LoRa Frequency Bands/Region? ==
... ... @@ -897,6 +897,7 @@
897 897  * 905.3 - SF7BW125 to SF10BW125
898 898  * 904.6 - SF8BW500
899 899  
933 +
900 900  Because the end node is now hopping in 72 frequency, it makes it difficult for the devices to Join the TTN network and uplink data. To solve this issue, you can access the device via the AT commands and run:
901 901  
902 902  (% class="box infomessage" %)
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