Wiki source code of LoRaWAN IoT Kit v3 User Manual

Last modified by Xiaoling on 2023/07/24 09:53
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1 (% style="text-align:center" %)
2 [[image:1669017918121-199.png||height="359" width="358"]]
3
4
5 **Table of Contents:**
6
7 {{toc/}}
8
9
10
11
12
13 = 1. Overview =
14
15 == 1.1 What is Dragino LoRaWAN IoT Kit v3? ==
16
17
18 (((
19 (% style="color:blue" %)**Dragino LoRaWAN IoT Kit v3**(%%) is designed to facilitate beginners and developers to quickly learn and demonstrate LoRa/LoRaWAN and IoT technology. It helps users to turn the idea into a practical application and make the Internet of Things a reality.
20 )))
21
22 (((
23 The LoRaWAN IoT Kit v3 can be used to evaluate the multi-channel LoRaWAN solution and single-channel private LoRa solution. Users can also use LoRaWAN IoT Kit v3 to test different network structure solutions and find the best for their IoT solution.
24 )))
25
26 (((
27 The LoRaWAN IoT kit v3 (% style="color:blue" %)**shows how to build a LoRaWAN network**(%%), and (% style="color:blue" %)**how to use the network to send data from a LoRa sensor node to the cloud server.** (%%)Depends on the actually use environment, the LoRaWAN gateway will connect your other LoRa nodes up to 500 ~~ 5,000 meters.
28 )))
29
30
31 == 1.2 Features ==
32
33 * Open Source LoRa/LoRaWAN kits
34
35 * Support multi-channels LoRaWAN and Single-Channel LoRa
36
37 * Support various network structures
38
39
40
41 == 1.3 What can you learn from the kit? ==
42
43
44 (% style="color:blue" %)**The goals through this LoRaWAN IoT kit v3**:
45
46 * Understand the structure of an Internet of Things network, and how does an IoT network works
47
48 * Learn coding method for Arduino micro controller
49
50 * Learn some common sensors.
51
52 * Learn some basic commands for Linux
53
54 * Learn about LoRaWAN and how to set up a LoRaWAN network.
55
56 * Learn about Node-Red and how to set up it as IoT server and plot data.
57
58 * Learn different way to connect LoRaWAN network to IoT Server and compare their advantages / disadvantages.
59
60
61
62 == 1.4 What parts Dragino LoRa IoT v3 includes? ==
63
64
65
66 [[image:image-20230718161437-3.png]]
67
68
69 (% style="color:blue" %)**LoRaWAN IoT Kit v3 Packing List**:
70
71 * [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] LoRaWAN Gateway
72
73 * [[LA66 LoRaWAN Shield>>url:https://www.dragino.com/products/lora/item/231-la66-lorawan-shield.html]] for Arduino
74
75 * [[LA66 USB LoRaWAN Adapter>>url:https://www.dragino.com/products/lora/item/232-la66-usb-lorawan-adapter.html]] for PC/Mobile/RPi
76
77 * 1 x DHT11 Temperature & Humidity Sensor
78
79 * 1 x RGB LED
80
81 * 20 x dupont cable (male to male)
82
83 * 20 x dupont cable (female to female)
84
85 * 20 x dupont cable (male to female)
86
87
88
89 = 2. Example 1: Test a LoRaWAN network =
90
91
92 This example describes how to use LPS8v2, LA66 Shield & LA66 USB to set up a LoRaWAN network and connect it to [[TTNv3 LoRaWAN Server>>url:https://accounts.thethingsindustries.com/]]. It also shows how to use external application server to monitor / manage the LoRa Nodes.
93
94 The network structure of this example is as below.
95
96
97 [[image:1669019691933-772.png]]
98
99
100
101 (% style="color:blue" %)**STEPS:**
102
103 ~1. Register LPS8v2 gateway to TTN so provide a LoRaWAN coverage. See section “[[Gateway Registration for Semtech UDP ~~-~~-~> Primary LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Notes%20for%20TTN/#H2.A0GatewayRegistrationforSemtechUDP]]” 
104
105 2. Register LA66 Shield to TTN and uplink Temperature to TTN. See section “[[Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in Node-RED>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/#H1.7A0Example:LogTemperatureSensor28DHT1129andsenddatatoTTN2CshowitinNode-RED.]].”
106
107 3. Register LA66 USB to TTN and track people location. See “[[Example: Use of LA66 USB LoRaWAN Adapter and mobile APP>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.9A0Example:UseofA0LA66USBLoRaWANAdapterandmobileAPP]]”
108
109
110
111 (% style="color:blue" %)**Result:**
112
113 [[image:1669019732684-677.png]]
114
115
116 = 3. Example 2: Test Built-In LoRaWAN Server =
117
118
119 This example describes how to use LPS8v2, LA66 Shield & LA66 USB to set up a LoRaWAN network and connect it to built-in LoRaWAN Server in. It also shows how to use external application server to monitor / manage the LoRa Nodes.
120
121
122 [[image:1669019757521-444.png]]
123
124
125 This example is almost the same as Example1, the difference is that this example use the built-in LoRaWAN server (TTNv3 Stack) in LPS8v2. While Example 1 use the public TTN server.
126
127 TTN v3 stack has the same configure method as the public TTN server. When user test example 2 here. User need to log in the TTNv3 stack in LPS8v2 as per below:
128
129 **Input URL( (% style="background-color:yellow" %)//__http:~/~/<hostname>:8080 or http:~/~/<local-IPV4-address>__//(%%)__ __) in your browser.**
130
131 **Such as  (% style="background-color:yellow" %)//__http:~/~/dragino-54ff12:8080  or http:~/~/<Local-IPV4-Address>__//(%%)**
132
133
134 (% style="color:blue" %)**Login account:**
135
136 **User ID:  (% style="background-color:yellow" %)admin(%%)**
137
138 **Password:  (% style="background-color:yellow" %)dragino(%%)**
139
140 [[image:1669019821266-501.png]]
141
142
143 = 4. Example 3: Test Built-in LoRaWAN server and Application server =
144
145
146 This example describes how to use LPS8v2, LA66 Shield & LA66 USB to set up a LoRaWAN network and connect it to built-in LoRaWAN Server in. It also shows how to use external application server to monitor / manage the LoRa Nodes.
147
148
149 [[image:1669019855783-448.png]]
150
151
152 This example is quite similiar as Example2, the difference is that this example use the built-in Application server (Node-Red) in LPS8v2. While Example 2 use the public Node-Red
153
154 Below is the Node-Red access instruction of LPS8v2:
155
156 You can access the gateway's built-in AS server of Node-Red via the **URL(__http:~/~/<hostname>:1880 or http:~/~/<local-IPV4-address>__)** in your browser.
157
158 **Such as __http:~/~/dragino-54ff12:1880  or [[http:~~/~~/<Local-IPV4-Address~>>>http://<Local-IPV4-Address>]]__**
159
160
161 [[image:1669019884655-805.png]]
162
163
164 = 5. Example 4: Peer to Peer Test on end node =
165
166
167 This example describes how to test peer to peer communicate between LoRa End Node.
168
169
170 [[image:1669019964124-630.png]]
171
172
173 In this example, the end nodes LA66 Shield and LA66 USB are not use LoRaWAN protocol. Users need to flash them with the firmware support private LoRa.
174
175 * (% style="color:blue" %)**Software Location:**(%%)**  [[LA66 Peer to Peer firmware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]]**
176
177 * (% style="color:blue" %)**How to Flash Firmware:  **(%%)** [[For LA66 Shield>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/#H1.9A0UpgradeFirmwareofLA66LoRaWANShield]] , For [[LA66 USB>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10A0UpgradeFirmwareofLA66USBLoRaWANAdapter]].**
178
179 This example will show how to get Temperature sensor value from LA66 Shield and send it to LA66 USB. LA66 USB is connected to mobile phone. So user can see the temperature value in mobile phone directly . User can also send message from mobile phone to LA66 to control the RGB LED.
180
181
182 == 5.1 Set Up LA66 Shield + UNO ==
183
184 === 5.1.1 Set up LA66 Module ===
185
186
187 LA66 Module is loaded with the firmware **[[LA66 Peer to Peer firmware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]]** and user can use AT Command to set up LA66 with below parameters:
188
189 (% class="box infomessage" %)
190 (((
191 (% style="color:#037691" %)**AT+FRE=904.100,904.100   ** (%%) ~-~->  TX and RX frequency set: 9041100000
192
193 (% style="color:#037691" %)**AT+BW=0,0 ** (%%) ~-~->  TX and RX Bandwidth set: 125kHz
194
195 (% style="color:#037691" %)**AT+SF=12,12    ** (%%) ~-~->  TX and RX Spreading Factor set: SF10
196
197 (% style="color:#037691" %)**AT+CRC=1,1  ** (%%) ~-~->  0: CRC OFF ,1: CRC ON
198
199 (% style="color:#037691" %)**AT+HEADER=0,0**       (%%) ~-~->  Header Type: explicit, explicit
200
201 (% style="color:#037691" %)**AT+CR=1,1  ** (%%) ~-~->  CR: 4/5, 4/5
202
203 (% style="color:#037691" %)**AT+IQ=0,0**        (%%) ~-~->  Invert IQ: 0,0
204
205 (% style="color:#037691" %)**AT+PREAMBLE=8,8  ** (%%) ~-~->  TX and RX Preamble Length set: 8
206
207 (% style="color:#037691" %)**AT+SYNCWORD=0**     (%%) ~-~->  Syncword**(0: private，1: public)**
208
209 (% style="color:#037691" %)**AT+RXMOD=6,0   ** (%%) ~-~->  Rx Timeout and Reply mode
210 )))
211
212
213 === 5.1.2 Hardware Connection ===
214
215
216 [[image:1669020260360-253.png]]
217
218
219 There is a sensor DHT11 (Temperature & Humidity sensor) and LED RGB connected to LA66 Shield + UNO. Please use the connection as we show in the photo.
220
221
222 === 5.1.3 Set up Arduino UNO ===
223
224
225 The sketch for this example is **[[Log-Temperature-Sensor-and- Control-RBG-LED.ino>>url:https://www.dropbox.com/sh/r5l3h5fhifrqbxn/AACgNoQ-aYnvWOxGwUDWxNlFa?dl=0]]**
226
227
228 (% style="color:blue" %)**Upload the code to UNO:**
229
230 [[image:1669020288319-334.png]]
231
232
233
234 (% style="color:blue" %)**Check the LA66 Shield data:**
235
236 [[image:1669020309356-484.png]]
237
238
239 == 5.2 Set Up LA66 USB ==
240
241
242 LA66 USB is loaded with the firmware **[[LA66 Peer to Peer firmware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]]** and user can use AT Command to set up LA66 USB with below parameters:
243
244 (% class="box infomessage" %)
245 (((
246 (% style="color:#037691" %)**AT+FRE=904.100,904.100**(%%)  ~-~->  TX and RX frequency set: 904100000 
247
248 (% style="color:#037691" %)**AT+BW=0,0**    (%%) ~-~->  TX and RX Bandwidth set: 125kHz
249
250 (% style="color:#037691" %)**AT+SF=10,10**  (%%) ~-~->  TX and RX Spreading Factor set: SF10 
251
252 (% style="color:#037691" %)**AT+CRC=1,1** (%%) ~-~->  0: CRC OFF ,1: CRC ON
253
254 (% style="color:#037691" %)**AT+HEADER=0,0**  (%%) ~-~->  Header Type: explicit, explicit
255
256 (% style="color:#037691" %)**AT+CR=1,1**   (%%) ~-~->  CR: 4/5, 4/5
257
258 (% style="color:#037691" %)**AT+IQ=0,0**    (%%) ~-~->  Invert IQ: 0,0
259
260 (% style="color:#037691" %)**AT+PREAMBLE=8,8**  (%%) ~-~->  TX and RX Preamble Length set: 8
261
262 (% style="color:#037691" %)**AT+SYNCWORD=0**   (%%) ~-~->  Syncword**(0: private，1: public)**
263
264 (% style="color:#037691" %)**AT+RXMOD=65535,0**  (%%) ~-~->  Set the receive mode
265
266 (% style="color:#037691" %)**AT+RXDAFORM=1**  (%%) ~-~->  ASCII to string
267 )))
268
269 Users using USB to Type-C adapter is needed to connect to a Mobile phone, Users need to download the USB Serial APP in their phones.
270
271 For example, **[[USB Serial Console>>url:https://play.google.com/store/apps/details?id=jp.sugnakys.usbserialconsole]]** (Android Version Only)
272
273
274 [[image:1669020888886-358.png]]
275
276
277 The serial port configuration for LA66 USB is as follows:
278
279 [[image:1669021003598-788.png]] [[image:1669021009003-965.png]]
280
281 (% style="display:none" %) (%%)
282
283 == 5.3 Test result ==
284
285
286 Users can view the temperature and humidity information received by LA66 USB in the mobile APP
287
288 [[image:1669021002246-577.png]] [[image:1669021002645-501.png]]
289
290 Send a message to the LA66 USB control LA66 Shield + UNO external RBG LED through the mobile phone:
291
292
293 For example, if you send (% style="color:blue" %)**AT+SEND=1,000101,2,0**(%%) the RBG LED will light up red.
294
295 [[image:1669021075655-472.png]]
296
297
298 [[image:1669021098924-484.png]]
299
300
301 = 6. Example 5: Peer to Peer Test and plot the data in LPS8v2 =
302
303
304 This example describes how to test peer to peer communicate between LoRa End Node and LoRa Gateway.
305
306
307 [[image:1669021294907-277.png]]
308
309
310 In this example, the end nodes LA66 Shield and LA66 USB are not use LoRaWAN protocol. Users need to flash them with the firmware support private LoRa.
311
312 * (% style="color:blue" %)**Software Location**(%%)**: [[LA66 Peer to Peer firmware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]]**
313
314 * (% style="color:blue" %)**How to Flash Firmware**(%%)**: [[For LA66 Shield>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/#H1.9A0UpgradeFirmwareofLA66LoRaWANShield]] , For [[LA66 USB>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10A0UpgradeFirmwareofLA66USBLoRaWANAdapter]].**
315
316 This example will show how to get Temperature sensor value from LA66 Shield and send it to LA66 USB. LA66 USB is connected to LPS8v2. LPS8v2 will receive the data from LA66 USB and plot the data in the built-in Node-Red server.
317
318 (% style="color:red" %)**Notice:**
319
320 1. LPS8v2 has LoRaWAN concentrator which doesn't do anything in this example. This example doesn't need this SX1302 concentrator.
321
322 2. For mass deployment, user can use the LG01v2 instead of LPS8v2+LA66 USB. LG01v2 already include LA66 module inside.
323
324 Use can check **[[THIS LINK>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/LG01v2/#H5.2Example:LG01v2]]** for an instruction of this example. In the link it uses LG01v2 as example, the use for LPS8v2+LA66 USB is the same as LG01v2.
325
326
327 = 7. Example 6: Limited LoRaWAN relay =
328
329
330 This example describes a limited LoRaWAN relay method with the use of LA66 module.
331
332
333 [[image:1669021378154-590.png]]
334
335
336 In this example, the end nodes LA66 Shield and LA66 USB are not use LoRaWAN protocol. Users need to flash them with the firmware support private LoRa.
337
338 * (% style="color:blue" %)**Software Location**(%%): **[[LA66 USB use LoRaWAN firmware>>url:https://www.dropbox.com/sh/els49fz9rd6fu1y/AAAt-kKIvXu1ZOK0hWysq97na?dl=0]], [[LA66 Shield use Point to Point firmware>>url:https://www.dropbox.com/sh/els49fz9rd6fu1y/AAAt-kKIvXu1ZOK0hWysq97na?dl=0]].**
339
340 * (% style="color:blue" %)**How to Flash Firmware**(%%):  **[[For LA66 Shield>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/#H1.9A0UpgradeFirmwareofLA66LoRaWANShield]] , For [[LA66 USB>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/#H1.10A0UpgradeFirmwareofLA66USBLoRaWANAdapter]].**
341
342 (% style="color:red" %)**Note: LA66 USB use a LoRaWAN version firmware and user need to set it to work in fix frequency, fix DR and ABP mode. LA66 already register to TTNv3 in ABP mode.**
343
344
345 == 7.1 Set up LA66 USB ==
346
347
348 LA66 USB is loaded with the firmware **[[LA66 USB use LoRaWAN firmware>>url:https://www.dropbox.com/sh/els49fz9rd6fu1y/AAAt-kKIvXu1ZOK0hWysq97na?dl=0]]** and user can use AT Command to set up LA66 with below parameters:
349
350 (% class="box infomessage" %)
351 (((
352 (% style="color:#037691" %)**AT+CHS=904100000** (%%) ~-~->  Fix frequency
353
354 (% style="color:#037691" %)**AT+NJM=0  ** (%%) ~-~->  Set the ABP mode
355
356 (% style="color:#037691" %)**AT+ADR=0**   (%%) ~-~->  Close ADR
357
358 (% style="color:#037691" %)**AT+DR=0 ** (%%) ~-~->  Fix DR=0
359 )))
360
361 Set up LA66 USB t work in ABP mode, use fix frequency(904100000) and fix DR0(SF10) to transmit data.
362
363
364 == 7.2 Set up LA66 Shield ==
365
366
367 LA66 Shield is loaded with the firmware **[[LA66 Shield use Point to Point firmware>>url:https://www.dropbox.com/sh/els49fz9rd6fu1y/AAAt-kKIvXu1ZOK0hWysq97na?dl=0]]**, LA66 Shield as Relay needs to be configured as follows:
368
369 (% class="box infomessage" %)
370 (((
371 (% style="color:#037691" %)**AT+FRE=904.100,904.100**(%%)  ~-~-> TX and RX frequency set: 904100000 
372
373 (% style="color:#037691" %)**AT+BW=0,0**(%%)  ~-~-> TX and RX Bandwidth set: 125kHz
374
375 (% style="color:#037691" %)**AT+SF=10,10**(%%)  ~-~-> TX and RX Spreading Factor set: SF10(corresponding toDR=0)
376
377 (% style="color:#037691" %)**AT+CRC=1,1**(%%)  ~-~-> 0: CRC OFF ,1: CRC ON
378
379 (% style="color:#037691" %)**AT+HEADER=0,0**(%%)  ~-~-> Header Type: explicit, explicit
380
381 (% style="color:#037691" %)**AT+CR=1,1**(%%)  ~-~-> CR: 4/5, 4/5
382
383 (% style="color:#037691" %)**AT+IQ=0,0**(%%)  ~-~-> Invert IQ: 0,0
384
385 (% style="color:#037691" %)**AT+PREAMBLE=8,8**(%%)  ~-~-> TX and RX Preamble Length set: 8
386
387 (% style="color:#037691" %)**AT+SYNCWORD=1**(%%)  ~-~-> Syncword**(0: private，1: public)**
388
389 (% style="color:#037691" %)**AT+RXMOD=65535,1 **(%%) ~-~-> Set the Relay mode
390
391 (% style="color:#037691" %)**AT+WAITTIME=1000**(%%)  ~-~-> Relay wait time 1000ms
392 )))
393
394
395 == 7.3 Uplink test ==
396
397
398 Users can connect to the LA66 USB using the serial port tool and enter the (% style="color:blue" %)**AT command: AT+SENDB=01,02,8,05820802581ea0a5**
399
400 (% style="color:#037691" %)**Command format:  AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
401
402 [[image:1669021802668-328.png]]
403
404
405 In addition, users can also access LA66 USB using the mobile app **[[Download Link for Android apk >>url:https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]** (Android Version Only)
406
407 [[image:1669021860044-222.png]]
408
409
410 == 7.4 Test result ==
411
412
413 See two duplicate messages on Gateway Traffic.
414
415 [[image:1669021878786-276.png]]
416
417
418
419 Bring LA66 USB and walk to a remote location to get the max distance. At this point,RSSi=-134 SNR=13.8, Go back 100 meters and put the LA66 Shield (Relay) in the location, Due to the following examples, there may be errors in the test in the urban area.
420
421 [[image:1669021889556-608.png]]
422
423
424
425 Without Relay, the LA66 USB can reach about 833meters.
426
427 [[image:1669021903207-809.png]]
428
429
430
431 With Relay, the LA66 USB can reach around 2km.
432
433 [[image:1669021922274-909.png]]
434
435
436 == 7.5 Limited of using LA66 as relay of LoRaWAN ==
437
438
439 LA66 is a LoRa End Node module base on SX1262 core. Use it as relay as mentioned above has below limitation:
440
441 1. It only supports LoRa radio with fix frequency, fix DR (Spreading Factor) , Fix bandwidth and
442 1. This method only support uplinks. It doesn;t work for LoRaWAN Downlink.
443 1. Capacity depends on how often the end nodes sends send uplinks. The LA66 needs to spends around 1~~3 seconds to relay one packet ( depends on DR. inlcudes RX and TX time).
444
445
446
447 = 8. Technical Support =
448
449
450 * 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.
451
452 * 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:file:///D:/市场资料/说明书/LoRa/LG02/support@dragino.com]]
453
454
455
456 = 9. Reference =
457
458
459 **1. [[LoRaWAN official website. And Technicel document for LoRaWAN.>>url:https://lora-alliance.org/lorawan-for-developers]]**
460
461 **2. [[LoRa Low Energy design guide>>url:https://www.semtech.com/uploads/documents/LoraLowEnergyDesign_STD.pdf]] and [[Calculator Tool>>url:https://www.semtech.com/uploads/documents/SX1272LoRaCalculatorSetup1_1.zip]].**
462
463 **3. About Distance: [[LoRa Modem Design Guide>>url:https://www.semtech.com/uploads/documents/LoraDesignGuide_STD.pdf]]**
464
465 **4. User Manual: [[LPS8v2>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/]], [[LA66 LoRaWAN Shield>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/]] , [[LA66 USB LoRaWAN Adapter>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20USB%20LoRaWAN%20Adapter%20User%20Manual/]]**
466
467

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